63 results for Data Engineer in Tokyo, Tōkyō

Software Engineer

Tokyo,
remote
Permanent
8.0M - 16.0M JPY / Yearly
Company Overview<ul><li>A venture company specializing in data utilization platforms in the social infrastructure domain.</li></ul>Job Description<ul><li>Hiring for a Senior Software Engineer position.</li><li>This role is part of a company dedicated to supporting the transformation of enterprise businesses in the deeply interconnected areas of urban infrastructure, healthcare, and public systems, under the philosophy of "turning data into people's energy."</li><li>You will not only act as a technical expert but also deeply engage with both business and social structures, playing a central role in product development.</li></ul>Attractions of the PositionLeading Social Transformation through Product Development:<ul><li>Engage with businesses and municipalities to address societal issues and contribute to fundamental problem-solving through products.</li></ul>Opportunity to "Socially Implement" Cutting-Edge Technology:<ul><li>Gain hands-on experience integrating the latest tech stacks into actual services, including RAG-based generative AI and AI agents, DataOps, Kubernetes, Apache Pulsar, among others, while setting new industry standards.</li></ul>Team Composition Valuing Expertise and Diversity:<ul><li>Collaborate with experts across data, serving, and infrastructure domains, with opportunities to transverse a wide range of technical fields.</li></ul>Flexible Work Styles and Robust Benefits:<ul><li>With a flexible work system, full remote work options, side job allowance, and extensive leave policies, the environment supports long-term career development.</li></ul>Main Responsibilities (Examples):<ul><li>Design, develop, and improve core functions of the data platform and related systems.</li><li>Batch/streaming processing, data warehouse design, ETL/ELT pipeline construction.</li><li>BFF (Backend for Frontend) and front-end development (React/Next.js), contributing to UX design from a technological perspective.</li><li>Design and operate secure, scalable architectures (AWS, Kubernetes, Terraform, etc.).</li><li>Lead technical initiatives within the team, perform code reviews, and improve quality.</li></ul>Qualifications[Required]:<ul><li>Hands-on development experience in at least one of the following: Java, Kotlin, Python, or TypeScript.</li><li>Experience in end-to-end delivery, from system design to operations.</li><li>At least 3 years of practical experience in data pipeline development and operation.</li><li>Demonstrated technical leadership in a team of medium or larger size.</li></ul>[Preferred]:<ul><li>Experience in data engineering and AI/ML utilization.</li><li>Knowledge of design and operation in container environments such as Kubernetes and Docker.</li><li>Development experience for B2B products or enterprise-focused solutions.</li><li>Ability to abstract and materialize specifications based on business requirements.</li></ul>Location:<ul><li>Tokyo, Japan</li></ul>Salary:<ul><li>8,000,000 - 16,000,000 JPY annual salary.</li></ul>Employment Conditions (Excerpts):<ul><li>Work Style: Discretionary labor system for professional work/full remote optional/side jobs allowed.</li><li>Location: Minato-ku, Tokyo (Directly connected to Toranomon Hills). No transfers.</li><li>Annual Salary Range: Determined flexibly based on experience and skills (upper ranges available).</li><li>Benefits: Book purchase support, "Gacha lunch" subsidy, babysitting support, diverse leave policies, etc.</li><li>Work Equipment: Company-provided PC/development environment customizable by engineers.</li></ul>Reference Number: 06940-0013266171By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuMTEyMTAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-25T06:09:15Z

Software Engineer

Tokyo,
remote
Permanent
8.0M - 8.0M JPY / Yearly
<h3 data-start="179" data-end="203">Job Responsibilities</h3><ul data-start="205" data-end="932"><li data-start="205" data-end="286">Collaborate with the development team to create innovative software solutions</li><li data-start="287" data-end="387">Participate in technical decision-making, including framework and programming language selection</li><li data-start="388" data-end="462">Share expertise on selected technologies and development architectures</li><li data-start="463" data-end="549">Provide support for product development and implement in-house technical solutions</li><li data-start="550" data-end="626">Develop and manage high-performance systems, databases, and applications</li><li data-start="627" data-end="688">Create high-level APIs and write clear, maintainable code</li><li data-start="689" data-end="756">Test software to ensure functionality, quality, and performance</li><li data-start="757" data-end="824">Troubleshoot, debug, and upgrade existing software as necessary</li><li data-start="825" data-end="882">Apply best practices for security and data protection</li><li data-start="883" data-end="932">Produce comprehensive technical documentation</li></ul><h3 data-start="934" data-end="961">Development Environment</h3>Languages: Java, Kotlin, JavaScript, TypeScript, Go, C#, etc. Frameworks: Spring, Vue.js, Nuxt.js, .NET Framework, etc. Infrastructure: AWS, GCP, AzureTeam Structure: Project teams typically consist of 5-8 members, including members from client development teams. Each team is supported by at least one highly skilled senior engineer to promote skill development through pair programming and other collaborative practices. This role emphasizes long-term development beyond simple coding tasks.<h3 data-start="1484" data-end="1508">Development Approach</h3>Our approach emphasizes agile development, moving away from the traditional waterfall methodologies commonly used in Japan's financial industry. Most projects begin at the upstream stage through direct contracts, allowing high flexibility in defining "what to build." You will work closely with the client's development team to discuss and decide on technology choices. Responsibilities cover the entire software development lifecycle, including requirements analysis, design, implementation, testing, deployment, and delivering the solution to users.<h3 data-start="2063" data-end="2090">Required Qualifications</h3><ul data-start="2092" data-end="2410"><li data-start="2092" data-end="2252">Experience with one or more of the following frameworks or languages:<ul data-start="2166" data-end="2252"><li data-start="2166" data-end="2191">Spring (Java or Kotlin)</li><li data-start="2194" data-end="2222">Vue.js, Nuxt.js, or Quasar</li><li data-start="2225" data-end="2229">Go</li><li data-start="2232" data-end="2252">C# .NET, ASP.NET</li></ul></li><li data-start="2253" data-end="2329">Minimum 3 years of experience in software engineering or a related field</li><li data-start="2330" data-end="2410">For non-Japanese nationals: Business-level Japanese proficiency (N2 or higher)</li></ul><h3 data-start="2412" data-end="2440">Preferred Qualifications</h3><ul data-start="2442" data-end="2685"><li data-start="2442" data-end="2513">Hands-on experience with cloud platforms such as AWS, GCP, or Azure</li><li data-start="2514" data-end="2579">Proven experience working in a collaborative team environment</li><li data-start="2580" data-end="2618">Conversational English proficiency</li><li data-start="2619" data-end="2685">Participation in product development from the conceptual stage</li></ul><h3 data-start="2687" data-end="2714">Ideal Candidate Profile</h3><ul data-start="2716" data-end="2786"><li data-start="2716" data-end="2786">Excellent communication skills and a strong commitment to teamwork</li></ul><h3 data-start="2788" data-end="2808">Example Projects</h3>Development of APIs for Financial Services Frontend: TypeScript / Angular / Ionic Backend: Go, Kotlin / Spring Authentication: OAuth 2.0 / OpenID Connect / FAPIIn-House Payment System Development for Retailers Backend: Go, Java Infrastructure: GCP, Kubernetes (GKE), microservicesDevelopment of Online-Only Financial Services for Major Institutions Frontend: TypeScript / Vue.js Backend: C# / .NET Core, ASP.NET Authentication: OAuth 2.0Modernization of Core Banking Systems Backend: Java / Kotlin Spring Infrastructure: Azure / GCP (multi-cloud) Reference Number: 06940-0013244624By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/c3VlLnRpbmcuNTA4NzUuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-04T05:06:21Z

Android Engineer

Tokyo,
remote
Permanent
10.0M - 10.0M JPY / Yearly
Job Order: 06940-0013209966 Location: Tokyo (Remote-first, but relocation to Japan required) Salary: ¥10,000,000 annually<hr data-start="317" data-end="320" /><h3 data-start="322" data-end="357">Position: Android Engineer</h3>Join a growing team focused on building cross-border payment solutions used by high-profile global platforms. As the first Android Developer in this role, you'll play a key part in shaping mobile payment products, including a new POS app, SDK, and tap-to-pay functionality.<hr data-start="634" data-end="637" /><h3 data-start="639" data-end="668">Key Responsibilities:</h3><ul data-start="670" data-end="1130"><li data-start="670" data-end="761">Develop and maintain Android-based POS and Tap-to-Pay applications and SDK using Kotlin</li><li data-start="762" data-end="853">Collaborate with product managers and engineers to define and build new mobile features</li><li data-start="854" data-end="933">Partner with backend teams to ensure seamless mobile-to-server integrations</li><li data-start="934" data-end="1032">Participate in technical design reviews and contribute to the evolution of mobile architecture</li><li data-start="1033" data-end="1130">Contribute across the tech stack when needed (flexibility with languages/frameworks encouraged)</li></ul><hr data-start="1132" data-end="1135" /><h3 data-start="1137" data-end="1158">Requirements:</h3><ul data-start="1160" data-end="1554"><li data-start="1160" data-end="1233">3+ years of professional experience in mobile application development</li><li data-start="1234" data-end="1304">Proficiency with Android SDK and mobile development best practices</li><li data-start="1305" data-end="1369">Experience integrating RESTful APIs with mobile applications</li><li data-start="1370" data-end="1434">Strong understanding of UI/UX principles and design patterns</li><li data-start="1435" data-end="1512">T-shaped developer mindset - ability to contribute across technical areas</li><li data-start="1513" data-end="1554">Collaborative, team-oriented approach</li></ul><hr data-start="1556" data-end="1559" /><h3 data-start="1561" data-end="1586">Preferred Skills:</h3><ul data-start="1588" data-end="1794"><li data-start="1588" data-end="1636">Exposure to iOS development and architecture</li><li data-start="1637" data-end="1690">Familiarity with cross-platform mobile frameworks</li><li data-start="1691" data-end="1730">Business-level Japanese proficiency</li><li data-start="1731" data-end="1794">Previous experience working in or with Japanese organizations</li></ul><hr data-start="1796" data-end="1799" /><h3 data-start="1801" data-end="1818">Benefits:</h3><ul data-start="1820" data-end="2069"><li data-start="1820" data-end="1887">Remote-first work environment with Tokyo-based office available</li><li data-start="1888" data-end="1958">10 regular paid vacation days, plus 5 summer and 5 winter holidays</li><li data-start="1959" data-end="1979">Birthday holiday</li><li data-start="1980" data-end="2038">Self-learning budget to support continuous development</li><li data-start="2039" data-end="2069">Language training (Japanese)</li></ul>By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S29qaS5ZYWdpbnVtYS4xODY0Ni4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-09-03T05:53:14Z

Sr Backend Engineer - Build the Future of enterprise AI

Tokyo,
remote
Permanent
10.0M - 15.0M JPY / Yearly
Ready to Shape the Future of Enterprise Data Management? Join a dynamic Tokyo-based technology company that's revolutionizing how Japan's largest enterprises handle their most valuable asset: data. We're seeking an exceptional Principal Backend Engineer to lead our technical excellence while building solutions that directly impact major corporations across Japan. WHY THIS OPPORTUNITY IS SPECIALJoin a Series A funded company with strong market position in enterprise data intelligence. Your work will directly impact how major Japanese corporations make data-driven decisions. Build with a modern tech stack: Go, React, AWS, OpenSearch, DynamoDB. Tackle challenges like scalable metadata systems, real-time data pipelines, and intelligent data discovery algorithms. Solve unique problems combining human collaboration with automated intelligence - creating systems that turn organizational behaviors into actionable insights for enterprise clients. As Principal Engineer, you'll architect cutting-edge solutions while mentoring a growing engineering team, shaping both technology and culture. WHAT YOU'LL DO You'll spearhead the development of our core data intelligence platform, ensuring exceptional quality while leading technical initiatives that serve Japan's most demanding enterprise clients:Drive architectural decisions and maintain excellence standards across our engineering organization Build robust, scalable backend systems using modern technologies including Go, Python, and cloud-native architectures Mentor engineers and foster a collaborative environment where innovation thrives Work closely with product leadership, sales, and customer success teams to ensure our technology meets real business needs Champion best practices that deliver the high-quality, intuitive experiences Japanese enterprise clients expect WHAT WE'RE LOOKING FOR Essential Requirements:10+ years of backend development expertise with proven track record in system architecture 5+ years leading development teams and driving technical excellence Strong experience with enterprise software development from concept to production Proficiency in modern programming languages (Go, Python, Java, or C++ preferred) Business-level English communication skills essential Currently based in Japan or hold a valid Japanese work visaBonus Points:Enterprise client-facing software development experience Data pipeline, analytics, or AI/ML technology background Japanese language capabilities Experience with data management or engineering platforms WHY YOU'LL LOVE WORKING HEREEnjoy hybrid work arrangements with 1-2 days in our conveniently located Tokyo office, plus flexible hours that respect work-life balance. Work in an international environment where all documentation is in English, bringing together diverse perspectives and expertise. Join during a pivotal growth phase where your contributions directly shape company direction and your own professional development. Your work powers critical decisions at some of Japan's most influential corporations, contributing to the country's digital transformation. Be part of a team that values novel approaches and cutting-edge solutions in the rapidly evolving data intelligence field. THE INTERVIEW EXPERIENCE We respect your time with a streamlined process: just two comprehensive interviews focusing on technical expertise and cultural alignment, with no coding tests required. Reference Number: 06940-0013273920By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S2hhbmcuTGUuNzI3NDUuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-08-05T02:34:23Z

Tokyo,
remote
Permanent
8.0M - 9.0M JPY / Yearly
[QA Engineer] Seeking our first full-time position to take charge of the quality of our SaaS product.<ul><li>As an enterprise SaaS product, we are looking for our first full-time QA Engineer to further improve the quality and reliability of our products as they are increasingly being introduced to major Japanese companies.</li><li>This is an important position for a full-time QA engineer to take the lead in the testing area, which until now has been led by the product manager. You will be involved in everything from the formulation of quality standards to test design and execution, and will have a great deal of discretion in future automation and organization.</li></ul>Selling Points<ul><li>As the first full-time QA, you can design and execute quality processes from scratch</li><li>Work closely with the product team and get involved in quality from the upstream process</li><li>Focus on Japanese UI/UX perspectives and address sensitive quality requirements for enterprise</li><li>Build an end-to-end testing system with an eye toward automation</li><li>Flexible working style ( Flexible working style (flextime, remote)</li></ul>The Role<ul><li>Test design, test case creation and execution from Japanese user perspective</li><li>Quality evaluation including UI/UX and localization</li><li>Establish and improve QA process standards and policies</li><li>Design comprehensive quality assurance process including smoke testing, integration testing and E2E testing</li><li>Development team and product managers, Collaboration and coordination with management</li></ul>Tools/Environment<ul><li>CI/CD: GitHub, Jira</li><li>Communication: Slack, Linear</li><li>Document management: Notion, Google Workspace</li></ul>Required Skills and Experience<ul><li>QA experience in web services: 3+ years</li><li>Experience in test design and comprehensive test case formulation and execution: 3+ years</li><li>Quality assurance experience for Japanese UI and services: 1+ years</li><li>Ability to communicate in English for work</li><li>Ability to create and execute test documentation at native Japanese level</li></ul>Welcome Skills<ul><li>Experience designing and executing smoke, integration, and E2E tests</li><li>Experience implementing and deploying test automation</li><li>Track record of test efficiency and automation using Shell Script, etc.</li><li>Knowledge of data engineering and data analysis</li></ul>What we are looking for<ul><li>High communication skills to work smoothly with the team and other professionals</li><li>Enjoy the sense of speed and change in a startup environment</li><li>Can pursue product quality and user experience with sincerity</li><li>Can find issues and take action on their own</li><li>Have empathy for the future of BtoB SaaS and enterprise data</li></ul>Location & Working style<ul><li>Remote work available (hybrid style with 1-2 times a week in the office recommended)</li><li>Office location: Minato-ku, Tokyo (Hamamatsucho area)</li></ul>Employment Conditions<ul><li>Employment status: Regular employee</li><li>Work system: Flextime system (core time 11:00-15:00)</li><li>Holidays: Saturdays, Sundays, national holidays, year-end and New Year holidays, and other company-designated days</li><li>Leave system: 3 days of special leave granted upon hire, 10 days paid after 6 months (attendance rate 80% or higher)</li></ul>Reference number : 06940-0013260020By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuMTc2MTkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-15T04:18:20Z

Backend Engineer

Tokyo,
remote
Permanent
8.5M - 10.0M JPY / Yearly
Company Profile[Backend Engineer] Seeking a core member to support the growth of our enterprise SaaS product! We are a leading data intelligence platform that is being adopted by major Japanese companies one after another. We are looking for a Backend Engineer to support the quality of our SaaS product, which is the core of our SaaS product, and help it evolve further.Although we are a fast-growing startup, we have already developed and provided products that have been implemented by many enterprise customers, including prime listed companies. This is an ideal field for those who want to focus on "quality" as an engineer, and for those who seek both the speed and professionalism of a startup. Selling points<ul><li>The value of being a Japanese engineer who is serious about usability for Japanese users</li><li>Collaboration with a global team where English is the common language</li><li>Work on the core of product development and experience continuous improvement and growth</li><li>Full Remote / Work from home Full remote or in-coming options. Flexible work style and a culture based on trust.</li></ul>The Role<ul><li>Development and improvement of back-end functionality with a focus on Golang</li><li>Localization proposals and implementation for an intuitive and easy-to-understand UX for Japanese users</li><li>Collaboration with other teams (front-end, PM, etc.) and technical documentation</li><li>Active participation in technical discussions and improvement proposals within the team</li><li>Implementation and review with high code quality in mind</li></ul>Technology Stacks<ul><li>Frontend: React, Remix, Tailwind CSS</li><li>Backend: Go (Goa framework)</li><li>Infrastructure: AWS, Vercel, Terraform Cloud</li><li>Authentication: Auth0, Cognito</li><li>Database: DynamoDB, OpenSearch</li><li>CI/CD: GitHub</li><li>Communication: Slack, Linear, Notion</li></ul>Required Skills<ul><li>Back-end development experience: 3+ years (working experience with Golang a plus)</li><li>Experience working in English (including speaking, reading and writing): 2+ years</li></ul>Skills and Experience<ul><li>Implementation of Japanese search functionality (e.g. Elasticsearch)</li><li>Knowledge of data management, analysis, and engineering</li><li>Experience developing and operating BtoB SaaS products</li><li>Experience working in a startup environment</li><li>Computer science degree</li></ul>We welcome people like this<ul><li>People who value teamwork and can take initiative</li><li>People who want to provide great value to society through Japan's first SaaS product</li><li>People who enjoy the discretion and speed of a startup</li><li>People who are excited about the future of enterprise data management</li><li>People who share our mission and vision You are excited about the future of enterprise data management You share our mission and vision</li></ul>Location<ul><li>In principle, remote work (in Japan)</li><li>Office work in Hamamatsucho, Minato-ku, Tokyo (nearest: Hamamatsucho Station) is also possible if desired.</li></ul>Reference number：06940-0013260015By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuODE1MDUuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-15T01:56:53Z

QA Engineer (Automation)

Tokyo 23 wards,
remote
Permanent
10.0M - 10.0M JPY / Yearly
Overview We are seeking a QA Engineer to lead quality assurance across multiple products. This role involves ensuring product reliability, driving test automation, and leveraging technology such as AI to enhance testing efficiency and product value.Responsibilities<ul data-start="479" data-end="1122"><li data-start="479" data-end="567">Participate in requirements and design reviews to identify and mitigate risks early.</li><li data-start="568" data-end="656">Plan and execute QA activities for new features (EPICs/PBIs) and regression testing.</li><li data-start="657" data-end="740">Develop and operate test automation scripts and integrate with CI/CD pipelines.</li><li data-start="741" data-end="818">Analyze customer feedback and usage data to propose quality improvements.</li><li data-start="819" data-end="908">Monitor test progress, review deliverables, and lead continuous process improvements.</li><li data-start="909" data-end="969">Collaborate across teams to implement QA best practices.</li><li data-start="970" data-end="1122">(Future) Drive quality strategy at the product level, lead AI-powered testing initiatives, and design automation frameworks at the department level.</li></ul>Qualifications Required<ul data-start="1158" data-end="1265"><li data-start="1158" data-end="1196">3+ years QA engineering experience</li><li data-start="1197" data-end="1236">Hands-on test automation experience</li><li data-start="1237" data-end="1265">Agile testing background</li></ul>Preferred<ul data-start="1281" data-end="1457"><li data-start="1281" data-end="1332">3+ years SaaS development (frontend or backend)</li><li data-start="1333" data-end="1378">Experience with modeling and QCD concepts</li><li data-start="1379" data-end="1457">Knowledge of testing frameworks, CI/CD tools, and various QA methodologies</li></ul>Tech Stack<ul data-start="1476" data-end="1696"><li data-start="1476" data-end="1525">Languages: TypeScript, JavaScript, Python, C#</li><li data-start="1526" data-end="1552">Automation: Playwright</li><li data-start="1553" data-end="1624">Infrastructure: GCP, Azure, Google Workspace, Microsoft 365, Notion</li><li data-start="1625" data-end="1652">Version Control: GitHub</li><li data-start="1653" data-end="1696">Collaboration: Slack, Zoom, Google Meet</li></ul>Position Features<ul data-start="1722" data-end="1917"><li data-start="1722" data-end="1786">Involvement from early development stages to product release</li><li data-start="1787" data-end="1850">Exposure to AI-driven testing and cutting-edge QA practices</li><li data-start="1851" data-end="1917">Growth opportunities as a generalist across development and QA</li></ul> Reference No: 06940-0013222086By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/c3VlLnRpbmcuMTYzNDUuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-08-29T01:07:03Z

Production Engineer at Overseas Factory

Tokyo,
remote
Permanent
6.0M - 9.0M JPY / Yearly
■ Job Description After undergoing training in Japan and overseas, you will be responsible for the following duties:[Role of Overseas Manufacturing Engineer]<ol data-start="222" data-end="527"><li data-start="222" data-end="366">Oversight of production lines and auxiliary equipment, equipment maintenance and management, operational guidance, and facility maintenance</li><li data-start="367" data-end="527">Assisting with factory management 　(Including labor management, quality and cost control, health & safety, SCM operations, and development of local talent)</li></ol>[Expected Contribution] Providing technical support across all production activities at the overseas subsidiary and assisting in overall factory management.<hr data-start="693" data-end="696" />■ Qualifications<ul data-start="721" data-end="1023"><li data-start="721" data-end="787">Experience in manufacturing or production equipment operations</li><li data-start="788" data-end="879">Overseas work experience or a cumulative six months or more of overseas business travel</li><li data-start="880" data-end="991">English proficiency (TOEIC score of 600 or higher, or equivalent communication skills for local engagement)</li><li data-start="992" data-end="1023">Bachelor's degree or higher</li></ul><hr data-start="1025" data-end="1028" />■ Reference Number: 06940-0013248644 By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/bWFraS5zaGltaXp1LjA0NDkzLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-06-27T05:43:15Z

Backend Engineer

Tokyo,
remote
Contract
11.9M - 11.9M JPY / Yearly
Client ProfileA group company of a global automobile manufacturer, specializing in software development for the mobility domain. The mission is to drive the future of mobility through cutting-edge technology and seamless integration of software and vehicles. The Role<ul><li>Daily monitoring and operational management to ensure the stable performance of software products</li><li>Smooth collaboration and communication within and across teams</li><li>Responding to user inquiries and providing technical support</li><li>Creating and maintaining documentation for technical specifications and operational procedures</li><li>Implementing minor bug fixes and feature enhancements</li><li>Designing and executing test cases to ensure product quality</li><li>Applying security patches and maintaining overall system security</li><li>Conducting code reviews to enhance code quality and share knowledge</li><li>Performance optimization and troubleshooting during incidents</li><li>Analyzing data and gathering feedback for continuous improvement of user experience and product quality</li><li>Participating in quarterly team reporting</li><li>Actively engaging in Agile (Scrum) development processes</li></ul>Salary Hourly rate: JPY 5,730Location Tokyo Reference Number：06940-0013251275 By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/VG9tb2UuTW91bnRlZXIuNDM2MjEuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-15T04:45:46Z

AI Engineer

Tokyo,
remote
Permanent
10.0M - 10.0M JPY / Yearly
Company ProfileA leading innovator in construction solutions is expanding its capabilities in Artificial Intelligence to enhance products and services through cutting-edge technologies. You will be joining a rapidly growing AI division within the Data Value Creation Group. This team analyzes industry challenges, identifies innovative data-driven solutions, and develops state-of-the-art AI technologies both in-house and with external partners-pushing the boundaries of what's possible in the construction sector.The Role In this role, you will:<ul><li>Identify and address technical challenges in areas related to Smart Construction, both within the company and for clients</li><li>Collaborate with AI specialists and cross-functional teams to design and implement AI, ML, or optimization-based solutions</li><li>Contribute to spreading AI literacy throughout the organization</li><li>Participate in the full lifecycle of AI solutions, from ideation and research to deployment</li></ul>Mandatory Requirements<ul><li>Master's degree in Deep Learning, Machine Learning, Data Science, Artificial Intelligence, Computer Science, or a related field with at least 2 years of experience building ML models OR PhD in a relevant field with related thesis/publications</li><li>Solid understanding of modern ML technologies, models, and methods</li><li>Strong foundation in data analytics</li><li>Hands-on experience with Python, PyTorch, and other modern ML libraries</li><li>Ability to understand academic research papers and translate insights into practical applications</li><li>Strong technical communication skills in English</li></ul>Preferred Qualifications<ul><li>Industrial or academic experience with Point Clouds/NERFs, Diffusion Models, Transformers, Deep Reinforcement Learning, or Evolutionary Algorithms</li><li>Experience designing, building, or optimizing models in the above areas</li><li>Familiarity with cloud platforms such as AWS, GCS, or Azure</li><li>Experience packaging and deploying ML models</li><li>Background or interest in civil engineering</li></ul>Ideal Candidate Profile<ul><li>Motivated to solve social and industry-wide challenges</li><li>Intellectually curious, eager to learn new technologies</li><li>Excited to take on ambitious challenges and transform the industry</li><li>Interested in applying AI to create value in Japan and globally</li><li>Internationally minded and open to living in/around Tokyo </li></ul>Salary 10M JPYLocationTokyo Reference Number: 06940-0013206595By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/c3VlLnRpbmcuNjI5MzMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-09-01T05:57:59Z

CICD Engineer

Tokyo,
remote
Contract
8.4M - 10.1M JPY / Yearly
Who We're Looking For:<ul data-start="114" data-end="1017"><li data-start="114" data-end="223">Experienced CI/CD professional skilled in building pipelines for both cloud and on-premises environments.</li><li data-start="224" data-end="294">Motivated by helping others with a respectful and humble attitude.</li><li data-start="295" data-end="419">Strong communicator who understands situations, proposes flexible solutions, and engages effectively with diverse teams.</li><li data-start="420" data-end="538">Independent thinker who clarifies tasks through communication and estimates effort despite incomplete information.</li><li data-start="539" data-end="633">Reliable with deadlines and proactive in reporting or consulting when delays are expected.</li><li data-start="634" data-end="742">Knowledgeable in writing high-quality code and implementing robust development and operations processes.</li><li data-start="743" data-end="834">Curious about new technologies and tools, able to select the best fit for each project.</li><li data-start="835" data-end="921">Deep understanding of the mechanisms and background behind tools and technologies.</li><li data-start="922" data-end="1017">Skilled at clear, concise explanations tailored to the audience, and effective documentation.</li></ul> Reference Number: 06940-0013244596By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/VG9tb2UuTW91bnRlZXIuNTI4ODkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-04T05:42:31Z

Platform Engineer

Tokyo,
remote
Permanent
8.0M - 12.0M JPY / Yearly
Company Profile<ul><li>Our client is looking for a Cloud infrastructure and platform engineer for thier cloud system.</li></ul>The Role<ul><li>This role will be responsible for the engineering of Cloud Infrastructure Platforms to provide robust, reliable and cost-efficient Platform so that we can deliver the best experience for our growing customers base.</li><li>Main Responsibilities Architect and build a robust, scalable and stable infrastructure</li><li>Architect and build Infrastructure that is easily maintainable during patching and upgrades</li><li>Architect and build Infrastructure with AWS regional level failure tolerance</li><li>Work together with our Security Engineers to provision a secure Infrastructure Automations for AWS Deployments to ensure fast delivery of Cloud Services to our developers</li><li>Provide through Automations means for developers to easily deploy resources on AWS.</li><li>Design and Build Reliable Infrastructure: Create systems that are strong, stable, and can grow as needed.</li><li>Easy Maintenance: Make sure the infrastructure is simple to update and patch without causing problems.</li><li>High Availability: Build systems that can keep running even if there are failures in an entire AWS region.</li><li>Automation for Fast Delivery: Automate AWS deployments so developers can quickly access the cloud services they need.</li><li>Developer-Friendly Tools: Provide automated solutions so developers can easily set up and manage AWS resources.</li></ul>Your Skills <ul><li>More than 5 years of technical experience in Cloud based Infrastructure Platform</li><li>Ability to demonstrate high degree of ownership in a Production environment</li><li>Good understanding of Cloud security best practices and payment industry compliance standards</li><li>Expertise in designing, building and troubleshooting large-scale streaming and distributed systems using Kafka.</li><li>Expertise in building Robust platforms based on NoSQL/KVS datastores like DynamoDB, Opensearch/ Elasticsearch and Redis.</li><li>Experience in Cloud infrastructure and platform systems availability, performance and cost management Extensive technical hands-on experience of Computing, Storage and Analytical Services on Cloud(AWS)</li><li>Experience with IAC tools in AWS such as Terraform, CloudFormation, CDK Experience with Cloud Services Monitoring, Detection and Response Experience in Cloud Services Performance Tuning, cost controls and management Experience in Cloud Infrastructure Service patching and upgrades PayPay DevOps emphasize automation.</li><li>Demonstrated skill with the following are required: Python ShellScripting Go/ Rust (optional) Have excellent oral, written, verbal and interpersonal communication skills. Preferred Qualifications Bachelor's degree and above in a technology related field Experience with other cloud service providers (e.g GCP, Azure)</li><li>Experience with Kubernetes (CKA, CKAD or CKS)</li><li>Experience with Event-Driven Architecture (Kafka preferred)</li><li>Experience using and contributing to Open Source tools</li><li>Experience in managing IT compliance and security risk Published papers / blogs / articles - Relevant and verifiable certifications</li><li>Bilingual in English and Japanese is nice to have, but not required. Proficiency in either language is fine. </li></ul>Tech Stack<ul><li>AWS: VPC, EC2, ECS, EKS, Lambda, Cloudfront, MWAA, RDS, ElastiCache, DynamoDB, Opensearch, S3, CloudWatch, Cognito, SQS, KMS, Secret Manager, KMS, MSK, CodeCommit, CodeBuild, CodeDeploy, CodePipeline, CloudFormation and other services Terraform, Github Actions, Prometheus, Grafana, Dynatrace, Atlantis, ArgoCD, OpenTelemetry</li></ul>Location TokyoSalary8 - 12 million yen Reference Number: 06940-0013244587By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjgzNTM1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-06-17T02:32:29Z

Senior Backend Engineer

Tokyo,
remote
Permanent
10.0M - 16.0M JPY / Yearly
Client Profile: The client is an AI start-up in Tokyo which creates end to end AI/Data solutions to major domestic clients in Japan. We are looking for a senior backend engineer with hands-on development experience of creating AI products and keen interest towards this field. Key Responsibilities: Design & develop core AI product (primarily Python) Build architectures for seamless multi-agent collaboration systems Implement high-performance, scalable multi-tenant runtime environments Optimize for real-time inference in cloud-native settings (GCP/Kubernetes) Collaborate with research teams to productize LLM advancements Technical leadership, process improvement & team mentoring Drive complex feature implementation and system performance optimization Requirements: Bachelor's/Master's in CS, AI, ML, Math, Physics or related 5+ years Python application development 3+ years machine learning (regression, classification, clustering, model evaluation) 3+ years NLP (NLTK, spaCy, Transformers, BERT, GPT fine-tuning) Cloud platforms (AWS/GCP/Azure) & containerization experience Business-level English OR Japanese proficiencySalary 10M - 16M JPYLocation Tokyo Reference Number: 06940-0013273193By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi4zNzA4My4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-08-04T07:35:14Z

iOS Engineer

Tokyo,
remote
Permanent
7.0M - 12.0M JPY / Yearly
<div class="--aL-612 "><div class="-Cg-644 " data-automation-id="questionContent"><div class="-Nr-646 "><div class="--ld-667"><div class="-Iv-698">Join a leading cross‑border payments team powering transactions for top global brands. Help us build a merchant‑facing iOS app from scratch, owning everything from onboarding flows and Tap‑to‑Pay to financial dashboards and reporting. What You'll Do <ul><li>Architect, develop, and maintain a best‑in‑class iOS application</li><li>Collaborate with PMs, designers, backend and Android engineers to define and ship features</li><li>Establish coding standards, review technical designs, and ensure cross‑platform consistency</li><li>Integrate RESTful APIs and uphold mobile UI/UX best practices</li></ul> What You Bring<ul><li>3+ years of solid iOS development with modern SDKs</li><li>Working knowledge of Android (Kotlin) to drive platform alignment</li><li>Strong understanding of mobile UI/UX principles and Apple's design guidelines</li><li>A T‑shaped mindset-comfortable diving into backend or product discussions</li><li>Team‑player attitude and clear communication skills</li></ul> Bonus Points <ul><li>Experience with React Native, Flutter, or other cross‑platform frameworks</li><li>Familiarity with Japanese business culture and intermediate Japanese language skills</li></ul> Perks & Benefits <ul><li>Remote‑first culture with Tokyo relocation support</li><li>Competitive salary plus performance bonus</li><li>Flexible hours, generous PTO, regular hackathons and meetups</li><li>Direct influence on product vision and growth</li></ul> Location : Tokyo Reference No.: 06940-0013264350</div></div></div></div></div><div class="--aL-612 "> </div>By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S29qaS5ZYWdpbnVtYS42MjM5OC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-07-24T01:16:01Z

Software/Applications Architect

Tokyo,
remote
Permanent
20.0M - 20.0M JPY / Yearly
Company ProfileGlobal software company headquartered in UK About the Role Our client is looking for a Solution Architect to join our delivery team and lead the technical side of client projects. In this role, you'll design and guide the development of data-driven solutions for large enterprise clients.You'll work closely with internal teams and external stakeholders to make sure our solutions are technically sound, scalable, and aligned with client needs. You'll also help improve engineering practices and mentor other team members.What You'll Do<ul><li>Design reliable, scalable systems that meet technical and business needs.</li><li>Lead technical decision-making across multiple projects.</li><li>Act as a trusted advisor to clients, helping them get the most out of their data solutions.</li><li>Mentor engineers and support their growth.</li><li>Improve company-wide engineering practices.</li><li>Manage your own tasks and timelines across different projects.</li></ul> What We're Looking For<ul><li>A strong focus on delivering value to clients.</li><li>Experience leading enterprise system development-from design to deployment.</li><li>Hands-on coding experience with Spark, Scala, Java, or Python (production level).</li><li>Solid understanding of the software development lifecycle (testing, Git, best practices).</li><li>Strong background in designing data-driven applications with attention to performance and security.</li><li>Good knowledge of data quality, schema evolution, and rollback strategies.</li><li>Excellent communication skills, able to explain technical topics to non-technical people.</li><li>Fluency in both Japanese and English is required.</li></ul> Why You'll Enjoy Working with Us<ul><li>Work on important projects with large enterprise clients.</li><li>Use modern technology to solve real business problems.</li><li>Help shape the team's engineering culture and practices.</li><li>Enjoy a collaborative and international work environment.</li><li>Make a direct impact on the success of our clients and company. </li></ul>Location: Tokyo, Japan Salary: 20M JPY Reference Number: 06940-0013261703By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/aWt1bWkua2FuZGEuNzkyODYuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-08-05T05:41:03Z

Senior Software Engineer (Open to Any Language)

Tokyo,
remote
Permanent
8.0M - 15.0M JPY / Yearly
Senior Software Engineer (All Languages Welcome: Python, Java, Go, etc.) Drive critical projects and solve complex technical challenges at scale. We care more about your architectural thinking, problem-solving skills, and real-world experience than any single programming language. If you're a senior engineer ready to work with a diverse team and open to learning new tools, let's talk! 🌟 WHY THIS OPPORTUNITY IS EXCEPTIONAL Pioneer next-generation financial systems - from core banking modernization to cashless payment platforms that impact millions of users daily Work with bleeding-edge tech stack including cloud-native solutions, mobile technologies, and generative AI integration in financial services Shape products from concept to production - join projects at the proof-of-concept stage and influence architectural decisions from day one Agile development in traditional finance - break industry norms by implementing modern development practices in Japan's conservative financial sector Small, high-impact teams (5-8 members) with dedicated senior engineers providing mentorship and pair programming opportunities Direct client collaboration on requirements definition and system design, not just implementation work 💻 WHAT YOU'LL BUILD Design and implement API-first financial solutions for third-party integrations using OAuth 2.0/OpenID Connect/FAPI standards Develop microservices architectures on GCP/AWS/Azure for scalable payment processing systems Create modern web applications using TypeScript, Vue.js, and mobile-first approaches with Ionic Build core banking system modernization projects using Java/Kotlin Spring and multi-cloud infrastructure Implement security-first development practices for financial-grade data protection Write comprehensive technical documentation and knowledge transfer to global team members 👩‍💻 WHO WE'RE SEEKING Essential Experience: 7+ years as a software engineer with proven track record in production systems Hands-on expertise in one or more: Java, Go, Kotlin, C#, Javascript, Typescript, Python etc. Cloud platform experience with AWS, GCP, or Azure Team development experience with version control and collaborative workflows Conversational English for international team communication Experience building products from conception stage through full development lifecycle 🎯 WHAT'S IN IT FOR YOU Accelerated career growth through diverse project exposure across multiple technology stacks High social impact work improving Japan's financial infrastructure and promoting cashless society adoption Multicultural engineering environment with global perspectives and cross-cultural collaboration skills End-to-end ownership from architecture design through deployment and user delivery Technology exploration opportunities to expand beyond your current programming language expertise Mentorship from senior engineers in small team settings with personalized skill developmentReference No. : 06940-0013273964By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/c3VlLnRpbmcuMzUxMTguMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-08-05T06:45:19Z

Tech Lead - Data Platform

Tokyo,
remote
Permanent
9.0M - 12.0M JPY / Yearly
Company Profile<ul><li>Our client provides an integrated digital platform centered around power services.</li></ul>The Role<ul><li>Based on your experience, you will be responsible for leading the following operations:</li></ul>Data Infrastructure Development & Operations<ul><li>Designing, operating, and optimizing data lake/pipeline in an AWS × Databricks environment.</li><li>Operating and optimizing performance of ETL/ELT using tools like Fivetran.</li><li>Designing databases and tuning structures based on business requirements.</li></ul>Enhancing Operational Stability and Reliability<ul><li>Performance improvements for various databases and automating data quality management (quality checks, alert design, etc.).</li><li>Collaborating with the Data Governance Team to improve reliability.</li></ul>CI/CD and Operational Automation<ul><li>Automating CI/CD workflows and pipelines.</li><li>Designing and implementing data engineering standards.</li></ul>Solving Technical Issues & Knowledge Sharing<ul><li>Analyzing and resolving technical issues in the data infrastructure.</li><li>Mentoring young engineers and sharing best practices.</li></ul>Applicable Technology Stack<ul><li>Cloud: AWS (general), Databricks, Fivetran, Workato.</li><li>Languages: Python, SQL.</li><li>Databases: MySQL, PostgreSQL, NoSQL databases.</li><li>Visualization: Tableau.</li><li>Monitoring: Datadog, PagerDuty.</li><li>Others: Slack, Backlog, TreasureData, Salesforce, ChatGPT Teams, GitHub Copilot.</li></ul>Your Skills Required Experience & Skills:<ul><li>10+ years of professional experience as a Data Engineer, or Infrastructure/DB/Backend Engineer.</li><li>Experience in building and operating data stores and data integration systems on AWS.</li><li>SaaS utilization for data processing/data lake operations.</li><li>Proven track record in database tuning and performance improvement.</li><li>Strong communication skills to conduct business in Japanese.</li><li>Knowledge equivalent to AWS Solutions Architect - Professional certification.</li></ul>Preferred Skills:<ul><li>Databricks-related certifications or cloud qualifications.</li><li>Experience with data governance/quality management tools (e.g., Great Expectations, Apache Atlas).</li><li>CDMP certification.</li><li>Development experience in web/mobile applications (using Python or JavaScript).</li><li>Ability to read and write technical documentation in English</li></ul>Career Path You can develop a diverse career, including:<ul><li>Leading company-wide data strategies as a Data Architect.</li><li>Becoming a professional specializing in operations and maintenance.</li><li>Transitioning to mentoring young professionals or team management.</li><li>Flexible and tailored career support based on your aspirations and strengths.</li></ul>Location TokyoSalary9 - 12 million yenWorking Environment<ul><li>Working hours: 9:00 - 18:00 (Flextime available).</li><li>Holidays: Full two-day weekends (Saturday and Sunday), public holidays, over 124 annual holidays.</li><li>Benefits: Childcare support, club activities, company events, stock option plans, employee discount on electricity bills, etc.</li><li>Skill Development Support: Tech blog publishing, study sessions, external training subsidies, and company power plant visit tours.</li></ul> Reference Number: 06940-0013260038By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuMDcxODMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-16T07:08:40Z

Software Engineer (Python)

Tokyo,
remote
Permanent
8.0M - 12.0M JPY / Yearly
About this role:<ul><li>Design, develop, test, and maintain scalable software applications</li><li>Collaborate with cross-functional teams including product, design, and QA</li><li>Participate in code reviews and ensure adherence to coding standards</li><li>Contribute to architectural decisions and technical design discussions</li><li>Implement CI/CD pipelines and automate deployment processes</li><li>Monitor system performance and troubleshoot production issues</li></ul>** Our engineer team is very international, but during interview you are expected to speak both in English and Japanese Responsibilities:<ul><li>Proficiency in Python (Django), JavaScript, and TypeScript (React.js)</li><li>Experience working with a cloud platform (preferably Microsoft Azure)</li><li>Passionate about leveraging AI to accelerate innovation, streamline processes, and drive transformative outcomes across the organization</li><li>Strong problem-solving skills and adaptability in dynamic environments</li><li>Good communication and collaboration skills across teams</li><li>Exposure to Agile/Scrum development methodologies</li><li>Experience with API design and integration (REST, GraphQL)</li></ul>Salary8M - 12M JPYLocation Tokyo Reference Number: 06940-0013283726By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi40NDQ1Mi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-08-20T07:29:46Z

Back End Engineer

Tokyo,
remote
Permanent
8.0M - 10.0M JPY / Yearly
About the OpportunityAre you ready to drive innovation in a rapidly scaling tech company with a global vision? We are seeking a mid to senior-level software engineer to join a dynamic team at the heart of Tokyo's thriving product development scene. This is your chance to architect and deliver cutting-edge solutions that power real-world impact, all within a collaborative, international environment.What's In It For You<ul><li>Shape the Future: Lead the creation of new digital products from the ground up, influencing technology choices and product direction from day one.</li><li>Global Collaboration: Work alongside talented professionals from diverse backgrounds, with English as the primary language of communication.</li><li>Growth & Ownership: Be empowered to take initiative, drive technical decisions, and help scale a high-performing engineering team.</li><li>Competitive Rewards: Attractive annual compensation (8.5M-12M JPY), regular salary reviews, and stock options to share in the company's success.</li><li>Flexible Work: Hybrid work style with core hours and the freedom to manage your own schedule. Occasional in-person sessions foster team spirit and innovation.</li></ul>Your Role<ul><li>Spearhead the end-to-end development of new applications, from technology selection and domain modeling to system architecture and deployment.</li><li>Collaborate with cross-functional teams-product managers, designers, and engineers-to deliver high-impact solutions.</li><li>Mentor and guide team members, instilling best practices and a culture of technical excellence.</li><li>Contribute to the evolution of a global engineering organization, helping shape processes and standards as the company scales.</li></ul> What We're Looking ForMust-Have Skills & Experience:<ul><li>5+ years building and deploying web applications on cloud platforms (GCP, AWS, or Azure).</li><li>Proven leadership in shipping projects with teams of 5+ engineers.</li><li>Deep expertise in system design, architecture, and delivering robust, scalable solutions.</li><li>Experience working with multiple programming languages and frameworks.</li><li>Ability to communicate complex technical ideas fluently in English.</li></ul>Preferred Qualifications:<ul><li>Hands-on experience with Docker-native infrastructure and CI/CD pipelines.</li><li>Solid background in backend development using statically typed languages (e.g., Rust, TypeScript, Node.js).</li><li>Familiarity with microservices, asynchronous processing, and secure web application design.</li><li>Exposure to modern frontend frameworks (React.js) and domain-driven design.</li><li>Track record of technical leadership in fast-paced, ambiguous environments.</li></ul>Who Thrives Here<ul><li>Visionaries who are passionate about transforming industries through technology.</li><li>Problem-solvers who embrace challenges and take ownership of outcomes.</li><li>Team players who foster open, respectful communication and thrive in multicultural settings.</li><li>Lifelong learners eager to explore new tools, languages, and design patterns.</li></ul>Tech Stack Snapshot<ul><li>Frontend: TypeScript, React, Next.js</li><li>Backend: Rust (axum), TypeScript, Node.js (Express, Fastify, NestJS)</li><li>Infrastructure: Docker, Kubernetes, Google Cloud, Cloudflare, Istio</li><li>DevOps: GitHub, ArgoCD, Terraform, Datadog, Sentry</li><li>Data: PostgreSQL, BigQuery, AlloyDB</li><li>APIs: GraphQL, REST, gRPC</li><li>Collaboration: Slack, Discord, JIRA, Miro</li></ul>Salaary8 - 10 million YenLocationTokyoReference No.: 06940-0013244592 By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S2hhbmcuTGUuOTI3NzkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-06-17T04:42:04Z

AI Engineer - Cyber Threat Intelligence

Tokyo,
remote
Contract
7.0M - 9.0M JPY / Yearly
[Position Overview] A global organization is seeking a skilled AI Engineer to integrate advanced AI solutions into its Cyber Threat Intelligence (CTI) Platform. The role focuses on leveraging AI technologies, especially Large Language Models (LLMs), to enhance threat detection, automate analysis, and improve the efficiency of cybersecurity operations. [Key Responsibilities] - Design and implement AI-powered solutions using APIs (e.g., OpenAI, Google AI) and AI models. - Develop APIs, microservices, and data pipelines for integrating AI tools into the CTI platform. Enhancing Threat Intelligence - Automate data extraction and analysis via Natural Language Processing (NLP) - Collaborate with analysts and engineers to optimize workflows using AI for malware analysis, vulnerability assessments, and incident response. - Automating Report Production - Build AI-driven tools for generating reports, dashboards, and summaries. - Personalize intelligence reports tailored to specific stakeholders. - Model Evaluation & Improvement - Assess AI model performance using metrics and refine solutions based on feedback. - Stay updated on AI developments to identify new opportunities for implementation. [Required Skills] - Bachelor's degree in Computer Science, AI, Cybersecurity, Machine Learning, or related fields. - 3+ years of experience in developing and deploying AI/ML solutions. - Proficiency in Python and AI/ML frameworks (e.g., TensorFlow, PyTorch, scikit-learn). - Familiarity with AI APIs and Natural Language Processing (NLP) tools. - Understanding of machine learning algorithms and cybersecurity concepts. [Preferred Skills] - Advanced degree (Master's or Ph.D.) in relevant fields. - Experience with cloud platforms (e.g., AWS, Azure), Docker/Kubernetes, and big data technologies. - Familiarity with threat intelligence platforms, MLOps practices, or SIEM systems. - Contributions to open-source projects. - Knowledge of graph databases and network analysis.Reference Number: 06940-0013248717By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/WGlueXUuTGluLjMyNzYwLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-06-26T01:27:50Z

Technical Leader / Principal Backend Engineer

Tokyo,
remote
Permanent
10.0M - 12.0M JPY / Yearly
【Principal Backend Engineer】We are looking for a technical leader to play a central role in a fast-growing SaaS product!<ul><li>A fast-growing enterprise SaaS product that is being adopted by major companies. We are looking for a Principal Backend Engineer to lead the backend development and raise the team's technical capabilities and quality.</li><li>This is not just a "development lead," but a position where you can make decisions and exert influence across the three axes of technology, business, and organization.</li></ul>Selling points<ul><li>Technology and design decision-making authority to support mid- to long-term product growth</li><li>Bilingual engineering organization at the intersection of local and global</li><li>Deep involvement in strategy with an understanding of both product development and business</li><li>Flexible work style with flextime and remote work OK</li></ul>The Role<ul><li>Develop and improve back-end functionality and design reviews for our SaaS products</li><li>Improve code quality and design capabilities of the entire team and build a review culture</li><li>Technical and strategic collaboration with stakeholders (product, sales, support)</li><li>Lead high-quality localization for the Japanese market</li><li>Improve development process, Team development, formulation of design guidelines</li><li>Make and lead decisions with a mid- to long-term perspective, including technology selection and infrastructure design</li></ul>Technology Stacks<ul><li>Front-end: React, Remix, Tailwind CSS</li><li>Back-end: Go (Goa), Python</li><li>Infrastructure and CI/CD: AWS, GCP, Azure, Vercel, Terraform Cloud, GitHub</li><li>Database: DynamoDB,. OpenSearch, Databricks</li><li>Authentication infrastructure: Auth0, Amazon Cognito</li><li>Knowledge and documentation: Notion, Google Workspace</li><li>Communication: Slack, Linear</li></ul>Required Skills and Experience<ul><li>10+ years of back-end development experience (working experience in Go or Python preferred)</li><li>5+ years of experience leading development teams (including code review, design guidance, and training)</li><li>2+ years of practical communication (spoken and written) in English</li></ul>Welcomed Skills and Knowledge<ul><li>Experience developing and operating enterprise software products</li><li>Experience utilizing Japanese natural language processing, search algorithms, and AI technologies</li><li>Deep knowledge of data infrastructure design, ETL, and data governance</li></ul>What we look for in a person<ul><li>You can focus on the success and growth of the team as much as your own achievements</li><li>You want to be involved in the product from both a technical and business perspective</li><li>You have the flexibility to enjoy the speed and change unique to startups</li><li>You are interested in the future of BtoB SaaS and enterprise data in Japan</li><li>You find a mission-driven environment challenging You are interested in the future of BtoB SaaS and enterprise data in Japan.</li></ul>Work Environment<ul><li>Working hours: Full remote available (hybrid system with option to come in 1-3 days a week)</li><li>Office location: Minato-ku, Tokyo (Hamamatsucho area)</li><li>Employment status: Full-time</li><li>Working hours: Flextime system (core hours 11:00-15:00)</li><li>Holidays: Weekends, holidays, annual paid vacation, special leave upon hire</li></ul>Reference number：06940-0013260019By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuMTgyNDAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-15T02:28:59Z

Full Stack Platform Engineer

Tokyo,
remote
Permanent
8.0M - 12.0M JPY / Yearly
Fullstack Platform Engineer Location: Tokyo (Remote First) Interested in rolling up your sleeves to build an engine behind an AI-powered cybersecurity platform? We're looking for a seasoned Fullstack Platform Engineer to help us process billions of security events in real time, weave in smart analytics, and create clear, data-rich interfaces that keep enterprises one step ahead of complex security threats. What You'll Do -Architect and implement scalable backend services and ETL pipelines (Kafka, ELK) in Rust, Go, Python, and TypeScript. -Collaborate with ML and security teams to embed AI-driven threat detection and optimize system performance for millions of users. -Build responsive front-end dashboards and tools using modern JavaScript frameworks. -Enforce robust security measures (OAuth 2.0, encryption) and compliance with industry standards. -Troubleshoot full-stack issues across cloud-native microservices, containers (Docker/K8s), and observability tools (Datadog, Vector). You Bring -Bachelors in CS or related, with 5+ years in fullstack development. -Proficiency in Rust and familiarity with Go, Python, Java, TypeScript. -Strong cloud, microservices, and database (SQL/NoSQL) experience. -A quick learner, excellent communicator, and a genuine passion for cybersecurity. Why Join Us? Enjoy a collaborative environment, fully remote work arrangements, and a dedicated learning budget for certifications and conferences. Help us push the boundaries of cybersecurity innovation! Salary: 8M - 12MReference Number: 06940-0013251295By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S29qaS5ZYWdpbnVtYS4wMzczMC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-07-02T01:48:45Z

Pre-Sales Consultant

Tokyo,
remote
Permanent
12.0M - 12.0M JPY / Yearly
Job Order: 06940-0013199935 Location: Tokyo Salary: ¥12,000,000 annuallyKey Qualifications:<ul data-start="102" data-end="680" data-is-last-node="" data-is-only-node=""><li data-start="102" data-end="218">Over 5 years of experience in roles such as Technical Sales Engineer, Solutions Engineer, or Solutions Architect</li><li data-start="219" data-end="298">Skilled in explaining the use of APIs to enhance complex customer workflows</li><li data-start="299" data-end="384">Experience with third-party integrations related to IAM/SSO, DLP, or SIEM systems</li><li data-start="385" data-end="450">Strong background in managing and completing complex projects</li><li data-start="451" data-end="521">Growth-oriented mindset, thriving in early-stage team environments</li><li data-start="522" data-end="592">Highly adaptable to fast-changing business and industry conditions</li><li data-start="593" data-end="680" data-is-last-node="">Native-level Japanese and business-level English proficiency, both written and spoken</li></ul>By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/b3NrYXIudGFrZW5ha2EuMzE3NTMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-09-03T06:27:09Z

Engineer

Chiba,
remote
Permanent
7.0M - 10.0M JPY / Yearly
Company Profile<ul><li>Our client provides comprehensive solutions and on-site services to the food, healthcare, hospitality, industrial, and energy sectors, helping them maintain clean environments, ensure food safety, conserve resources, and enhance operational efficiencies.</li></ul>The RoleEngineering work<ul><li>Engineering services - Modification of existing facilities, introduction of new facilities and production lines</li><li>Short- and mid-term investment planning, budget management, and performance reporting</li><li>Simultaneous implementation of several small-scale projects each year</li><li>Technical meetings with internal and external parties</li><li>Development of equipment design and specifications based on internal guidelines</li><li>Management of external engineering and installation contractors, etc.</li><li>Introducing new technologies and solutions to the operations team</li><li>Preparation and submission of notifications and applications to government agencies</li><li>Management of technical books</li></ul>SHE support services (the following tasks are currently covered by the senior manager and some support may be requested in the future)<ul><li>Implement standards and requirements at all site levels</li><li>Implement process safety and personal safety programs at all site levels</li><li>Perform risk and hazard analysis on all operational aspects</li><li>Investigation of accident causes and elements of insecurity</li><li>Prepare safety data analysis reports</li><li>Prepare reports on energy reduction, water reduction, and CO2 emission reduction</li><li>Oversight of various activities in the implementation of the Safety Management System (SMS)</li></ul>Maintenance services<ul><li>Technical assistance to mills, including troubleshooting as needed</li><li>Improvements to existing processes and equipment</li></ul>Your Skills <ul><li>5+ years of experience in a chemical plant or manufacturing plant (food, chemical, materials, pharmaceutical, cosmetics, daily necessities, etc.)</li><li>Knowledge in chemical, mechanical and electrical fields</li><li>English: TOEIC 700 is preferred. If you are not allergic to English, you can learn it after you join us.</li></ul>Location ChibaSalary7 - 10 million yen Reference Number: 06940-0013248131By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/bWFraS5zaGltaXp1LjA4NDIyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-06-26T02:57:01Z

Recruiter

Tokyo,
remote
Permanent
15.0M - 15.0M JPY / Yearly
Client ProfileOur client is global IT consulting firm based in TokyoThe RoleWe are looking for a proactive Recruiter to manage the full cycle of sourcing and assigning engineers to projects.Key Responsibilities<ul data-start="239" data-end="615"><li data-start="239" data-end="330">Source, evaluate, and assign engineers based on skills, availability, and career goals.</li><li data-start="331" data-end="404">Collaborate with sales teams and project managers for timely support.</li><li data-start="405" data-end="492">Handle contract negotiations and maintain relationships with engineers and clients.</li><li data-start="493" data-end="558">Provide improvement suggestions and support project closures.</li><li data-start="559" data-end="615">Analyze market trends to optimize resource planning.</li></ul>Requirements<ul data-start="641" data-end="815"><li data-start="641" data-end="689">Strong communication and negotiation skills.</li><li data-start="690" data-end="760">Ability to manage multiple priorities in a fast-paced environment.</li><li data-start="761" data-end="815">Analytical mindset and teamwork-oriented approach.</li></ul>Salary15M JPYLocationTokyo Reference Number: 06940-0013275617By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/QmlhbmNhLllhdS4xODIxMS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-08-21T07:07:06Z