45 results for Backend Engineer in Tokyo, Tōkyō

Java Backend Engineer

Tokyo,
remote
Contract
8.5M - 8.5M JPY / Yearly
Client Profile Japanese multinational conglomerate company. (e-commerce, fintech, digital content, etc.)The Role<ul><li>Backend development for large-scale point systems</li><li>Design, code, review, test, and release web applications</li><li>Enhance and improve existing services and features</li><li>Introduce new architectures and refactor systems for scalability</li><li>Improve development environments (e.g., CI/CD, test automation)</li><li>Troubleshoot production issues and drive service reliability</li></ul>Your Skills Required Qualifications<ul><li>5+ years of Java development experience</li><li>Experience in designing and developing B2C services</li><li>Hands-on experience with relational databases (e.g., MySQL, Oracle, Clustrix)</li><li>Familiarity with Agile development methodologies</li><li>Experience using containers (e.g., Docker, Kubernetes)</li><li>English: Business level (TOEIC 800+ or equivalent)</li><li>Japanese: Not required</li></ul>Preferred Qualifications<ul><li>Experience designing high-traffic systems</li><li>Frontend development experience</li><li>CI/CD pipeline and test automation experience</li><li>Application deployment and operations experience (on-premises or public cloud)</li><li>Knowledge of NoSQL (e.g., Couchbase) or KVS</li><li>Experience collaborating with global teams</li><li>Familiarity with messaging systems (e.g., Kafka, RabbitMQ)</li></ul> LocationTokyo Hourly Salary 4,100 yen Reference Number: 06940-0013315544 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/c2Fvcmkua29kYWthLjgyNTkwLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-10-31T03:45:46Z

Backend Engineer

Tokyo,
remote
Permanent
9.0M - 12.0M JPY / Yearly
Company ProfileFast-growing data intelligence startup developing Japan's leading next-generation data catalog platform. In just 5 years, the company has been adopted by numerous major enterprises, primarily TSE Prime Market listed companies, and has become the Gartner-recognized #1 domestic vendor in the rapidly evolving metadata management field. The Role<ul><li>Contribute to both frontend and backend development of the flagship Data Intelligence Cloud product.</li><li>Maintain and continuously improve product localization quality for Japanese enterprise customers.</li><li>Work across the technology stack (React, Remix, Tailwind CSS, Golang, AWS) to develop and improve features according to requirements.</li><li>Produce clear technical documentation for other stakeholders (engineers, PMs, etc.).</li><li>Actively contribute to discussions within the team and propose ideas to improve architecture, design, and development processes.</li></ul> Your Skills <ul><li>5+ years of backend development experience (Golang, C++, Python, or Java highly preferred).</li><li>Fluent in Japanese proficiency (reading, writing, speaking) and business level in English.</li><li>Experience in API design and development.</li><li>Practical experience in data management, data engineering, or data analytics (e.g., BigQuery, Snowflake, ETL pipeline development) is beneficial.</li><li>Experience working in B2B SaaS businesses or startup environments is ideal.</li></ul> Key Highlights of the Role <ul><li>Join Japan's fastest-growing and Gartner-recognized market leader in data intelligence.</li><li>Serve as the critical bridge between cutting-edge technology and Japanese enterprise user experience.</li><li>Work with a modern tech stack (React, Golang, AWS) in a startup environment with enterprise clients.</li><li>Directly impact how Japan's largest companies discover, govern, and manage their data assets.</li><li>Be part of a mission-driven team shaping the future of enterprise data management in Japan.</li></ul> Location Tokyo Salary9 - 12 million yen Reference Number: 06940-0013346231By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjAwNjAxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-12-04T06:41:06Z

Software Engineer

Tokyo,
remote
Contract
10.8M - 10.8M JPY / Yearly
Client Profile Our client is mobility technology company focused on building software platforms and infrastructure for future transportation systems.Overview We are seeking a skilled Software Engineer to join the mobile development team. In this role, you will design, implement, and enhance mobile app features with a focus on performance, stability, and user experience. You will collaborate with cross-functional teams, contribute to clean and scalable architecture, and continuously improve our codebase and development processes.Key Responsibilities<ul><li>Develop and implement mobile app features and UI using Flutter</li><li>Collaborate closely with backend, UX, and other mobile engineers in cross-functional teams</li><li>Independently or jointly develop and deliver new features</li><li>Conduct unit testing and UI regression testing to ensure app quality</li><li>Debug and fix issues to maintain app stability</li><li>Monitor app performance and identify opportunities for improvements</li></ul>Requirements<ul><li>3+ years of mobile app development experience (Android or iOS) in a professional environment</li><li>Experience with native app development (Kotlin, Swift) or Flutter (Dart)</li><li>If no Flutter experience, proven ability to quickly learn new frameworks (e.g., ReactJS, SwiftUI, Jetpack Compose)</li><li>Strong knowledge of Clean Architecture and general software architecture practices</li><li>Hands-on experience with refactoring and improving codebases</li><li>Proactive, innovative mindset with a passion for improving products and processes</li><li>Willingness to learn new technologies and share knowledge with the team</li></ul>Hourly Salary5,200 JPYLocation Tokyo Reference Number: 06940-0013287776By 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/c2Fvcmkua29kYWthLjM2Nzc1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-09-17T03:43:54Z

Software Engineer (Frontend)

Japan,
remote
Contract
5.0M - 7.0M JPY / Yearly
CLIENT HOT BUTTONS · Native-level Japanese communication for requirement discussions with Japanese enterprise customers · Full-stack mindset who can handle both frontend leadership and backend contributions to support rapid client delivery · TypeScript expertise as the core development language across all client projects · Agile-experienced engineer who can lead frontend development while adapting to client-specific requirements KEY REQUIREMENTS · 5+ years frontend engineering experience (MUST HAVE) · TypeScript and Next.js development experience (MUST HAVE) · Native-level Japanese proficiency for customer requirement discussions (MUST HAVE) · Basic backend development experience for full-stack contributions · Agile development experience · Japan resident with ability to work 9AM-6PM JST · Remote work capability with proactive communication skills TRADE-OFFS · Can accept basic backend experience if frontend leadership skills are strong · Will consider slightly less than 5 years experience if candidate has exceptional Next.js/TypeScript skills PRODUCT/PROJECT/TEAM Products/Projects: Professional Services division building customized web applications for enterprise clients using client's Platform (Headless ERP). Leading frontend development for client-specific business system implementations. Tech Stack/Tools: Next.js, TypeScript, Go, CUE, cel-go, Playwright, vitest, Docker, Terraform, Datadog, Auth0, GitHub Copilot, WebStorm, GoLand Team Structure: Small international team with 2 foreign engineers, growing Professional Services division Work Style: Agile development, fully remote with flexible hours, focus on client delivery and rapid iteration CHARACTER & CULTURE Company: Mission-driven startup focused on "democratizing product development" with innovative Headless ERP solutions for large enterprises. Values intellectual curiosity, ownership mindset, and open constructive feedback. Team: Small, collaborative team environment requiring proactive communication and self-starter attitude. Growing division with increasing client interaction opportunities.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/bWljaGFlbC5oYWdlZG9ybi4xNjE4Ny4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-10-03T01:14:44Z

Software Engineer

Tokyo,
remote
Contract
7.0M - 9.0M JPY / Yearly
LIENT HOT BUTTONS<ul><li>Someone who can take instructions and develop independently with critical thinking - not just following orders blindly but understanding the "why" behind tasks</li><li>Team-oriented mindset - actively contributes to team success rather than only pursuing individual achievements; comfortable in a collaborative 13-person multicultural environment</li><li>Not motivated primarily by overtime pay - team policy is not to aim for zero overtime, but this isn't a role for those looking to maximize earnings through OT</li></ul>KEY REQUIREMENTS<ul><li>MUST: Mastery of at least ONE of: Java, C/C++, or Go-Lang</li><li>MUST: Database development experience</li><li>MUST: Web application development experience (both frontend and backend)</li><li>MUST: Strong team communication skills - able to build good relationships with team members</li><li>MUST: Japanese native level with conversational English OR English native with business beginner Japanese minimum</li><li>WANT: React experience</li><li>WANT: Knowledge of architectural design data, especially BIM (Building Information Modeling)</li><li>NOTE: NO experience with BIM/CIM data handling or ACC (Autodesk Construction Cloud) app development required</li></ul>TRADE-OFFS<ul><li>No architectural/BIM knowledge needed - general coding skills with FE/BE knowledge is sufficient to perform the work effectively</li><li>Not looking for senior level - mid-level developers who can work independently based on instructions are perfectly suitable</li><li>Younger candidates welcome if they have solid fundamental skills</li><li>React experience is negotiable - can be learned on the job if candidate is strong in other required areas</li></ul>PRODUCT/PROJECT/TEAMProducts/Projects:<ul><li>Building digital data infrastructure for construction projects; developing web applications that utilize 3D models (both frontend and backend); creating digital data for buildings and infrastructure based on BIM/CIM data; providing this data to logistics and mapping teams for utilization across the organization</li></ul>Tech Stack/Tools:<ul><li>Java, C/C++, Go-Lang (need proficiency in at least one), React (preferred), BIM360/ACC (Autodesk), AWS, GitHub, G Suite, Slack, MS Office suite</li></ul>Team Structure:<ul><li>13 members total - 4 Japanese nationals, remainder are foreign nationals</li></ul>Work Style:<ul><li>Full onsite work at Nihonbashi office; daily communication primarily in Japanese, but technical meetings sometimes conducted in English; collaborative team environment; documents can be in English</li></ul>CHARACTER & CULTURETeam:<ul><li>Multicultural environment (13 members with diverse nationalities); values team collaboration over individual achievement; appreciates flexibility and positive attitude toward ad-hoc tasks; technical discussions sometimes in English, daily communication in Japanese; supportive atmosphere where younger members can grow</li></ul>Location TokyoSalary7 - 9 million yen Reference Number: 06940-0013308622By 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/bWljaGFlbC5oYWdlZG9ybi44NDc1My4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-10-03T01:10:45Z

Software Engineer

Tokyo,
remote
Contract
11.9M - 11.9M JPY / Yearly
Ref No: 06940-0013287783 Location: Tokyo (Remote OK within Japan) Salary: ¥11,856,000<hr data-start="261" data-end="264" /><h3 data-start="266" data-end="297">What You'll Be Working On</h3>A social application with over 400,000 users (as of September 2024), focused on supporting a specific adult demographic. Built with modern AI technology and an intuitive UI/UX, the platform sees 1 match every 4 seconds and 1,000 new signups daily. It offers users a private and secure space to express concerns beyond their personal and professional environments.As a Full-Stack Web Developer, you will be responsible for designing, developing, and maintaining both new and existing features. You will collaborate with customer support and design teams to improve user experience. Strong skills in both frontend and backend development and familiarity with modern web technologies are required.<hr data-start="1016" data-end="1019" /><h3 data-start="1021" data-end="1043">Technology Stack</h3>Languages & Frameworks<ul data-start="1073" data-end="1296"><li data-start="1073" data-end="1116">TypeScript, JavaScript, Python, Node.js</li><li data-start="1117" data-end="1126">React</li><li data-start="1127" data-end="1139">DynamoDB</li><li data-start="1140" data-end="1165">Git (Version Control)</li><li data-start="1166" data-end="1197">GitHub (Project Management)</li><li data-start="1198" data-end="1223">Slack (Communication)</li><li data-start="1224" data-end="1296">Jest, Amplify, GraphQL, AWS (ALB, EC2, Cognito, Lambda, S3), SCSS, SQL</li></ul><hr data-start="1298" data-end="1301" /><h3 data-start="1303" data-end="1342">Development Environment & Culture</h3>Team & Organization<ul data-start="1370" data-end="1569"><li data-start="1370" data-end="1408">Team size: Fewer than 10 engineers</li><li data-start="1409" data-end="1457">Engineers participate in performance reviews</li><li data-start="1458" data-end="1507">Monthly career check-ins with managers or CTO</li><li data-start="1508" data-end="1569">Engineers earning ¥8M+ annually without management duties</li></ul>Technical Culture<ul data-start="1595" data-end="1750"><li data-start="1595" data-end="1646">Engineers involved in executive decision-making</li><li data-start="1647" data-end="1700">Engineering leadership with technical backgrounds</li><li data-start="1701" data-end="1750">English communication opportunities available</li></ul>Developer Autonomy<ul data-start="1777" data-end="2079"><li data-start="1777" data-end="1830">End-to-end responsibility: design, build, operate</li><li data-start="1831" data-end="1887">Engineers drive technical debt and tool improvements</li><li data-start="1888" data-end="1925">Freedom to choose OS, editor, IDE</li><li data-start="1926" data-end="1964">Engineers estimate their own tasks</li><li data-start="1965" data-end="2013">Iterative development with flexible schedule</li><li data-start="2014" data-end="2079">Tech stack kept up-to-date (within 1 year of latest versions)</li></ul>Quality Assurance<ul data-start="2105" data-end="2323"><li data-start="2105" data-end="2151">Mandatory code reviews or pair programming</li><li data-start="2152" data-end="2191">Shared coding standards across team</li><li data-start="2192" data-end="2229">Multi-environment quality testing</li><li data-start="2230" data-end="2264">Continuous deployment/delivery</li><li data-start="2265" data-end="2323">Pull request-based workflows with full version control</li></ul><hr data-start="2325" data-end="2328" /><h3 data-start="2330" data-end="2355">Scale & Performance</h3><ul data-start="2356" data-end="2465"><li data-start="2356" data-end="2388">Concurrent users: thousands+</li><li data-start="2389" data-end="2431">DB tables: tens of millions of records</li><li data-start="2432" data-end="2465">High traffic: thousands of RPS+</li></ul><hr data-start="2467" data-end="2470" /><h3 data-start="2472" data-end="2494">Work Environment</h3><ul data-start="2495" data-end="2668"><li data-start="2495" data-end="2528">Full remote work within Japan</li><li data-start="2529" data-end="2553">Mid-day break system</li><li data-start="2554" data-end="2626">Family-friendly: team includes engineers with preschool-age children</li><li data-start="2627" data-end="2668">Flextime or discretionary work system</li></ul><hr data-start="2670" data-end="2673" /><h3 data-start="2675" data-end="2699">Benefits & Support</h3><ul data-start="2700" data-end="2845"><li data-start="2700" data-end="2765">Conference participation supported (tickets + business trips)</li><li data-start="2766" data-end="2809">Preferred-spec PC and displays provided</li><li data-start="2810" data-end="2845">Open to new graduate developers</li></ul><hr data-start="2847" data-end="2850" /><h3 data-start="2852" data-end="2877">Required Experience</h3>Must-Have<ul data-start="2895" data-end="3055"><li data-start="2895" data-end="2923">Performance optimization</li><li data-start="2924" data-end="2950">Remote work experience</li><li data-start="2951" data-end="2989">Feature enhancements and additions</li><li data-start="2990" data-end="3027">Release and deployment operations</li><li data-start="3028" data-end="3055">New feature development</li></ul>Nice-to-Have<ul data-start="3076" data-end="3231"><li data-start="3076" data-end="3112">Bug identification and reporting</li><li data-start="3113" data-end="3139">Refactoring experience</li><li data-start="3140" data-end="3187">Experience with large-scale traffic systems</li><li data-start="3188" data-end="3231">Load balancing and scalability planning</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/c2Fvcmkua29kYWthLjEwOTQ5LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-09-19T01:57:22Z

Principal Software Engineer

Tokyo,
remote
Permanent
10.0M - 19.0M JPY / Yearly
Company ProfileEnterprise SaaS provider specializing in contract management solutions that transform how businesses leverage contract data. Post-PMF company experiencing rapid growth, backed by years of proprietary OCR and NLP technology development. The platform serves legal, sales, engineering, and executive teams across major Japanese enterprises, combining battle-tested data digitization expertise with cutting-edge generative AI capabilities. The Role<ul><li>Lead critical technical initiatives from architecture design through implementation and team guidance</li><li>Own technology decisions and code reviews across new feature development, improvements, and operations</li><li>Drive performance optimization strategies for contract data processing and full-text search at scale</li><li>Design and implement microservices architecture to support global expansion and feature velocity</li><li>Build LLM inference infrastructure that combines massive document processing with generative AI</li><li>Shape technical stack evolution and modernization across the entire platform</li><li>Provide hands-on technical mentorship to engineering teams while establishing systems that improve code quality</li><li>Identify and solve cross-product technical challenges that impact organizational efficiency</li></ul> Tech Stack: Kotlin, Ktor, Spring Boot, TypeScript, React, Vite, PostgreSQL, Elasticsearch, Google Cloud (Cloud Run, Cloud Functions), GitHub Actions, Splunk Your Skills Required:<ul><li>7+ years building web applications with proven architectural ownership</li><li>Deep backend expertise using statically-typed languages (Java, Kotlin, Go, TypeScript)</li><li>SPA frontend development experience with React, Vue.js, or similar frameworks</li><li>Public cloud architecture - designing and operating systems on GCP, AWS, or Azure</li><li>DDD modeling proficiency and understanding of cloud design patterns</li><li>RDB design and performance tuning skills for high-volume data processing</li><li>Technical leadership experience guiding development teams</li><li>Business-level proficiency in both Japanese and English</li><li>Valid work authorization for Japan or current Japan residency</li></ul>Preferred:<ul><li>Large-scale, high-traffic services experience</li><li>SRE/DevOps background with microservices architecture design</li><li>SaaS product launch experience from zero to production</li><li>Security design and vulnerability remediation knowledge</li></ul> Key Highlights of the Role <ul><li>Post-PMF hypergrowth phase - architect systems that scale from successful product to market-defining platform with massive technical autonomy over technology selection and strategic direction</li><li>Unique technical challenge - combine proprietary OCR/NLP technology developed over years with cutting-edge generative AI to achieve precision levels generic solutions cannot match</li><li>Scale-specific challenges - microservices transformation, large-scale LLM infrastructure, and DDD modeling of complex domains at enterprise scale</li><li>Hands-on + leadership balance - design your own approach between architectural leadership and technical implementation</li></ul> Location Tokyo Salary10 - 19 million yen Reference Number: 06940-0013342172By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/c3VlLnRpbmcuOTQxNzkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-12-02T07:27:57Z

Software Engineer (PHP Lead)

Tokyo,
remote
Contract
5.0M - 9.0M JPY / Yearly
CLIENT HOT BUTTONS <ul><li>AWS expertise at advisory/design level - not just operational knowledge but someone who can guide architectural decisions and provide technical consultation to the team</li><li>PHP skills matter - looking for someone with deep technical capability even if they have fewer than 5 years specifically in PHP</li><li>Bilingual communication ability specifically for coordination with Japanese-only development manager - needs business-beginner Japanese to handle technical discussions and team coordination</li></ul> KEY REQUIREMENTS <ul><li>MUST HAVE: AWS experience at technical advisory/design level (not just basic usage)</li><li>MUST HAVE: PHP skills (Laravel framework)</li><li>MUST HAVE: Japanese business-beginner level (J2) for coordination with development manager</li><li>MUST HAVE: English business conversation level (E2) for team communication</li><li>Linux setup, operation experience</li><li>NICE TO HAVE: GraphQL or REST API experience</li><li>NICE TO HAVE: Serverless development (Lambda, Functions)</li><li>NICE TO HAVE: RDB operation and tuning (MySQL, PostgreSQL)</li><li>NICE TO HAVE: Docker development environment construction</li></ul> TRADE-OFFS <ul><li>Can accept less than 5 years PHP experience if candidate has senior-level technical skills and capabilities</li><li>Flexible on start date - can wait until 2026 for the right candidate</li><li>Open to offshore candidates as long as they meet the Japanese language requirement (N2-N3 business-beginner level)</li></ul> PRODUCT/PROJECT/TEAM Products/Projects: Operating bilingual job search website supporting career transitions Tech Stack/Tools: Backend: PHP (Laravel/Phalcon), AWS ECS | Frontend: ES6, Sass, React, TypeScript, Next.js, Apollo, HTML5, CSS3 | Frontend Testing: Cypress | Database: MySQL, Amazon Aurora | Tools: Docker | Cloud: AWS | OS: macOS/Linux | Project Management: GitHub | Communication: Slack Team Structure: 5-person development team (2 junior + 2 mid-level + 1 contractor). Work Style: Team communication primarily in English. Hybrid work model with 1 day/week office attendance in Jimbocho. CHARACTER & CULTURE Company: Small-medium sized company (under 300 employees) with approximately 50% foreign staff. International and diverse workplace environment. Team: Highly international development team with multilingual environment. English is the primary team communication language, but Japanese capability needed for coordination with development manager. Mixed experience levels requiring someone who can provide technical leadership and mentorship. Reference Number: 06940-0013310500By 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/bWljaGFlbC5oYWdlZG9ybi4zMDQyMi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-10-03T01:54:02Z

Software Engineer

Tokyo,
remote
Contract
10.0M - 10.0M JPY / Yearly
About the RoleJoin a forward-thinking team focused on building the future of mobility through software innovation. This role involves developing scalable, high-performance systems for applications ranging from embedded vehicle platforms to cloud-based services and autonomous technologies.Key Responsibilities<ul><li>Develop and maintain software components for mobility platforms and vehicle operating systems.</li><li>Collaborate with cross-functional teams including hardware engineers, designers, and product managers.</li><li>Contribute to system architecture and design discussions.</li><li>Implement automated testing and CI/CD pipelines to ensure software quality.</li><li>Research and apply emerging technologies to enhance system capabilities.</li></ul>Qualifications<ul><li>Bachelor's or Master's degree in Computer Science, Engineering, or a related field.</li><li>Strong programming skills in languages such as C++, Python, Rust, or Go.</li><li>Experience with cloud infrastructure (AWS, GCP, Azure) and containerization (Docker, Kubernetes).</li><li>Familiarity with embedded systems or automotive software standards is a plus.</li><li>Excellent problem-solving and communication skills.</li><li>English proficiency required; Japanese language skills are a plus.</li></ul>Preferred Experience<ul><li>Working with real-time systems or safety-critical software.</li><li>Contributing to open-source projects or large-scale software platforms.</li><li>Experience in agile development environments.</li></ul>Saraly: Hourly Rate: ¥5100-¥6120Reference Number: 06940-0013294835By 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/c2Fvcmkua29kYWthLjg3ODM1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-09-24T03:18:33Z

Software Engineer (Java)

Tokyo,
remote
Contract
5.0M - 10.0M JPY / Yearly
KEY REQUIREMENTS<ul><li>Japanese N3 level or above required</li><li>3+ years application development experience using COBOL or JAVA/JS</li><li>3+ years database application development experience (any type)</li><li>Flexible thinking without being fixated on specific business domains or technologies</li><li>Understanding of user-side operations and ability to cooperate actively</li><li>Can handle everything from requirements definition to coding and testing</li></ul>PRODUCT/PROJECT/TEAM<ul><li>Products/Projects: Digital transformation initiatives for paperless operations, labor-saving measures, and automation. System modifications across various business domains including underwriting, policy management, claims payment, agent management, and data infrastructure.</li><li>Tech Stack/Tools: Multiple environments - YPS/COBOL on Linux/OpenFrame, COBOL on IBM i (AS/400), Java/JavaScript with Spring Boot on Azure. Tools include Oracle, SQL Server, ETL, ESB, HULFT, JP1, ListWorks, FORM.</li><li>Team Structure: IT Service Delivery Departments 1-3, total organization size 50-60 people. Different departments handle different business domains (operations, agent management, open systems).</li><li>Work Style: Waterfall and Agile development methodologies. Hybrid work system with office/remote flexibility.</li></ul>CHARACTER & CULTURE<ul><li>Company: Customer-led and tech-enabled approach. Values include sharing corporate values, thinking outside the box, taking on challenges, and executing what they believe is right. Vision of changing the way people feel about insurance.</li><li>Team: Cooperative environment where team members actively promote initiatives together. Flexible career design possible with paths toward both management and specialist roles. Job Posting system allows internal applications across the company.</li></ul>Location TokyoSalary5 - 10 million yen Reference Number: 06940-0013293972By 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/bWljaGFlbC5oYWdlZG9ybi4zNjYwNi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-09-09T06:19:33Z

Software Engineer

Tokyo,
remote
Permanent
9.0M - 13.0M JPY / Yearly
Company Profile | 企業概要<ul><li>Innovative web solutions company building cutting-edge applications that maximize user experience and business outcomes is seeking a Senior Ruby on Rails Engineer to join their international team.</li></ul> The Role | 職務内容<ul><li>Deliver working web-based software using the Ruby on Rails framework in a hands-on technical capacity.</li><li>Propose solutions as a technology specialist within a small product team to drive optimal user experience and business results.</li><li>Collaborate with UX designers and cross-functional team members to build robust, scalable web applications.</li><li>Work with modern technologies including Turbo Frame, Turbo Stream, and Stimulus JavaScript framework.</li></ul> Your Skills | 応募資格<ul><li>-5+ years of recent commercial programming experience with strong emphasis on web solutions and Ruby on Rails.</li><li>-Expert understanding of Ruby on Rails, Ruby programming language, JavaScript, TypeScript, HTML, and CSS.</li><li>-Business-level Japanese and English proficiency (mandatory).</li><li>-Experience with AWS Services and Docker containerization.</li><li>-Degree in Computer Science or equivalent experience.</li><li>-Valid working visa for Japan (6+ months) or available for remote contract work until visa preparation.</li></ul> Key Highlights of the Role | おすすめのポイント<ul><li>20+ paid days off per year with flexible work hours and remote work opportunities.</li><li>Join an international team of talented creators who value your technical input.</li><li>Visa sponsorship available after 6-month trial period.</li><li>Work with cutting-edge technologies including real-time communication, CRDT, and generative AI APIs.</li></ul>Salary900,000 yen - 1,300,000 yenLocationTokyo Reference number : 06940-0013336854By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjkzMzUxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-11-18T07:53:55Z

Software Engineer (Fullstack)

Tokyo,
remote
Contract
7.0M - 9.5M JPY / Yearly
CLIENT HOT BUTTONS<ul><li>Team culture fit - someone who works well in collaborative environments</li><li>Open to feedback - actively seeks and incorporates input from team members</li><li>Can articulate thought process - able to explain technical decisions and reasoning clearly</li></ul>KEY REQUIREMENTS<ul><li>5+ years web development experience</li><li>2+ years TypeScript and React experience</li><li>Web based full stack engineer (react / nodejs)</li><li>2+ years UI testing tools (Cypress) and API experience</li><li>1+ years NodeJS or similar server technologies</li><li>Deployment infrastructure experience (AWS/GCP/Docker)</li><li>Full stack development with databases (PostgreSQL, MongoDB)</li><li>Source control (GitHub/GitLab) and CI/CD experience</li><li>No Japanese language requirement</li></ul>PRODUCT/PROJECT/TEAMProducts/Projects:<ul><li>AI Platform - a platform for AI growth, simplifying training, inference, MLops. Building safety, convenience and autonomy for automotive vehicles. The Portal is the primary interaction mode for all users.</li></ul>Tech Stack/Tools:<ul><li>TypeScript, React, NodeJS, AWS/GCP, Docker, PostgreSQL, MongoDB, Cypress, GitHub/GitLab</li></ul>Work Style:<ul><li>Hybrid 3x/week in office, collaborative development with PM and other engineers</li></ul>Location TokyoSalary7 - 9.5 million yen Reference Number: 06940-0013308616----- 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/bWljaGFlbC5oYWdlZG9ybi4yODk4Mi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-10-03T04:30:21Z

Software Engineer

Tokyo,
remote
Contract
9.4M - 9.4M JPY / Yearly
Location: Tokyo JO: 06940-0013313061 Annual Salary: JPY 9,360,000<h3 data-start="177" data-end="205">Position Overview:</h3>Handle technical support requests, triage problems, basic troubleshooting, and update the support knowledge base. Manage customer requirements, monitor progress, and communicate with internal teams.<h3 data-start="406" data-end="437">Key Responsibilities:</h3><ul data-start="438" data-end="660"><li data-start="438" data-end="492">Support request handling and basic troubleshooting</li><li data-start="493" data-end="519">Knowledge base updates</li><li data-start="520" data-end="574">Customer requirement tracking and status reporting</li><li data-start="575" data-end="603">System integration tasks</li><li data-start="604" data-end="631">Access right management</li><li data-start="632" data-end="660">Internal team coordination</li></ul><h3 data-start="662" data-end="688">Required Skills:</h3><ul data-start="689" data-end="825"><li data-start="689" data-end="714">Experience in C++</li><li data-start="715" data-end="748">ECU knowledge (preferred)</li><li data-start="749" data-end="782">System integration experience</li><li data-start="783" data-end="825">Basic hardware knowledge (preferred)</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/VG9tb2UuTW91bnRlZXIuNjk1MjguMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-10-31T03:34:42Z

Software Engineer / Platform Architect

Tokyo,
remote
Contract
9.0M - 14.0M JPY / Yearly
KEY REQUIREMENTS · Backend: Experience in development of frameworks or APIs · Compute/Data: Familiarity with compute and data intensive applications · Programming: Professional experience in C++, Java, C#, and/or Python · Data Processing: Extensive background in large-scale batch and/or stream processing · Platform/DevOps: Experience automating builds, deployments, testing, environment lifecycle, and/or monitoring · Scripting: PowerShell/bat or Bash scripting experience · Infrastructure: Infra/DevOps with AWS and Kubernetes · Databases: Deep experience with RDBMS and/or NoSQL databases PRODUCT/PROJECT/TEAM Products/Projects: Building large-scale batch and stream processing platforms for a smart city project Tech Stack/Tools: AWS, Kubernetes, C++, Java, C#, Python, PowerShell/Bash, RDBMS/NoSQL. Nice to have: GoLang, Rust, Erlang/Elixir, Game Engines (Unity), Multi-agent simulators Work Style: Hybrid, 2-3x a weekReference No.: 06940-0013194436By 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/bWljaGFlbC5oYWdlZG9ybi41NzU0NC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-10-03T02:33:59Z

AI Software Engineer

Tokyo,
remote
Contract
10.0M - 10.0M JPY / Yearly
Company ProfileJoin a dynamic engineering team focused on developing cutting-edge AI solutions. This role involves designing and implementing machine learning models, building scalable software systems, and contributing to the advancement of intelligent technologies across various applications.The Role<ul><li>Design, develop, and evaluate AI models (e.g., NLP, computer vision, predictive analytics)</li><li>Implement and optimize software using Python, C++, or other relevant languages</li><li>Build and maintain AI systems on cloud platforms (e.g., AWS, GCP)</li><li>Collaborate with data scientists, product managers, and engineers to define requirements and deliver solutions</li><li>Document technical specifications and participate in code reviews</li></ul>Your Skills <ul><li>Bachelor's degree or higher in Computer Science, Engineering, or a related field</li><li>Hands-on experience with machine learning and deep learning frameworks (e.g., TensorFlow, PyTorch)</li><li>Proficiency in Python and familiarity with software development best practices</li><li>Strong analytical and problem-solving skills</li><li>Ability to communicate technical concepts effectively in English</li></ul>Location Tokyo, JapanSalaryHourly Rate : 4,940 JPY Reference Number: 06940-0013312157 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/c2Fvcmkua29kYWthLjU5MTc2LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-11-07T03:27:58Z

Software Engineer - Java/Spring/AWS for Enterprise Solutions

Tokyo,
remote
Permanent
9.0M - 15.0M JPY / Yearly
WHY THIS OPPORTUNITY IS SPECIAL<ul><li>Enterprise transformation leadership - Guide teams building solutions the world's largest insurance companies</li><li>Rapid growth trajectory - Company approaching $1B revenue with aggressive expansion plans across APAC markets</li><li>Technical innovation at scale - Oversee cloud-native microservices architecture serving hundreds of global clients</li><li>Exceptional work-life balance - 21 paid vacation days from year one plus separate sick leave allowance</li><li>Ultimate work flexibility - Work from abroad for months annually plus hybrid Tokyo office model</li></ul>Job Responsibilities<ul><li>Design and develop new capabilities for enterprise software serving hundreds of companies globally</li><li>Build enterprise applications using Java, Spring Boot, ReactJS and modern AWS-based architecture</li><li>Guide technical oversight of cloud-native platforms built with Docker, Kubernetes, and Terraform</li><li>Enhance existing products while architecting completely new solutions for regional business requirements</li><li>Participate in full development lifecycle from planning through deployment and showcasing results</li><li>Contribute to CI/CD pipelines using TeamCity, Jenkins, and Docker for streamlined delivery</li></ul>QualificationsEssential Requirements:<ul><li>Experience in enterprise software systems with expertise in data modeling and system architecture (5+ years)</li><li>Strong Java development skills using Spring, Spring Boot, JUnit, Mockito, Gradle/Maven</li><li>Experience with CI/CD tools and containerization technologies like Docker</li><li>Solid English and Japanese communication abilities for global team collaboration (daily operations conducted primarily in Japanese)</li><li>Japan work authorization (permanent resident, citizen or valid work visa)</li></ul>Bonus Points:<ul><li>ReactJS or frontend development experience</li><li>AWS, GCP or Azure cloud platform knowledge</li><li>Open door policy advocate who thrives in flat organizational structures with direct leadership access</li><li>Domain knowledge in insurance or financial services</li></ul>Location TokyoSalary9 - 15 million yen Reference Number: 06940-0013301830 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/S2hhbmcuTGUuOTY0MDguMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-09-19T06:53:48Z

Back End Engineer

Tokyo,
remote
Permanent
8.0M - 15.0M JPY / Yearly
Company Profile Innovative SaaS provider delivering a collaborative corporate management platform that centralizes budgeting, forecasting, headcount planning, and investment management for modern enterprises is seeking a Software Engineer to lead new product development.The Role<ul><li>Lead technical development for a brand-new business in the corporate management domain, working from 0→1.</li><li>Collaborate closely with Product Managers to validate customer needs and translate strategic vision into technical solutions.</li><li>Drive MVP design, architecture, implementation, and rapid iteration based on real customer feedback.</li><li>Own end-to-end product development: planning, design, implementation, and testing.</li><li>High-impact role with direct influence on product direction and business growth.</li></ul>Your Skills<ul><li>5+ years of web development experience.</li><li>Strong Ruby on Rails expertise.</li><li>Proven experience in architecture design and technical leadership.</li><li>0→1 product development experience is essential.</li><li>N2+ Japanese proficiency required.</li></ul>Key Highlights of the Role<ul><li>Join a mission-driven company unlocking corporate growth potential through technology (~140 employees).</li><li>Build a greenfield product with high ownership and autonomy.</li><li>Work in a product-focused team environment with experienced corporate planning consultants.</li><li>Enjoy full remote work with flextime (core hours 10:00-15:00).</li><li>Competitive salary: 8M-15M JPY with full social insurance and standard holidays.</li></ul>Location Tokyo Salary 8 - 15 million yen Reference Number: 06940-0013337722By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjIwMzI2LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-11-20T02:58:42Z

Head of Japan Solutions Engineering [AI Software]

Tokyo,
remote
Permanent
20.0M - 25.0M JPY / Yearly
Company ProfileOne of the fastest-growing companies in the AI software space, used by consumers and the largest enterprises alike. Japan represents one of their highest-performing markets globally (having overachieved its quota by 150% in the last few quarters) and is now recruiting for a key role to lead the Japan Solutions Engineering team. The Role<ul><li>Help define the foundations of the Solutions Engineering function across Japan, managing a team of 6 Solution Engineers.</li><li>Serve as trusted technical advisors to customers and prospects, connecting product capabilities to business outcomes.</li><li>Build demos, proof-of-concepts, and tooling that demonstrate value at scale.</li><li>Address advanced technical and product inquiries, including RFPs and security questionnaires.</li><li>Capture customer feedback to help shape product roadmap and improve how the platform is showcased.</li><li>Join at a pivotal moment with massive greenfield opportunity as the company scales in Japan and the APAC region.</li></ul> Your Skills <ul><li>3+ years of experience managing, mentoring, and inspiring Solutions Engineers, Sales Engineers, or Solutions Architects.</li><li>Demonstrated success partnering with sales leadership and other cross-functional teams</li><li>Demonstrable experience in the SaaS-domain, preferably with some exposure to AI applications</li><li>Ability to write basic scripts using modern APIs.</li><li>High adaptability and comfort navigating fast-paced, dynamic organizational change</li><li>Native-level Japanese and business-level English (written and spoken).</li></ul> Key Highlights of the Role <ul><li>Shape a category-defining product used by millions, trusted by iconic global brands.</li><li>High influence role with direct impact on product roadmap, messaging, and customer success outcomes.</li><li>Recognized as one of the most innovative companies in the world, with a vibrant user community and passionate 'fan base'!</li></ul> Location Tokyo Salary20 - 25 million yen Reference Number: 06940-0013342909By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/b3NrYXIudGFrZW5ha2EuNTA2NDIuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-12-04T06:23:49Z

Infrastructure Engineer

Tokyo,
remote
Contract
7.0M - 10.0M JPY / Yearly
Company ProfileA regional organization operating in the B2B sector is seeking a Helpdesk Support professional to join its IT team supporting operations across Japan and the broader APAC region. The team ensures smooth IT operations, infrastructure reliability, and support for local and regional stakeholders. The Role<ul><li>This role provides Level 1 and Level 2 IT support, helping maintain and improve IT systems across the region. You will assist end-users, troubleshoot technical issues, and work closely with colleagues and vendors to ensure reliable IT operations.</li><li>Reporting to the IT Manager, you will contribute to IT projects, support system improvements, and help implement new solutions for the organization.</li></ul>Main Responsibilities<ul><li>Act as the first point of contact for IT incidents; log, clarify, and escalate issues as needed.</li><li>Troubleshoot technical problems and coordinate with external vendors or offsite IT teams.</li><li>Support end-user hardware and software, including desktops, laptops, tablets, mobile devices, and communication tools.</li><li>Assist with setup, configuration, upgrades, and maintenance of IT systems.</li><li>Maintain and track IT assets, including procurement and disposal.</li><li>Provide support for video conferencing, IP phones, and other communication tools.</li><li>Assist with basic network setup and troubleshooting, including rack-and-stack tasks as required.</li></ul> Your Skills <ul><li>Fluent in Japanese and business-level English.</li><li>Experience in IT support, helpdesk, or desktop support (L1/L2).</li><li>Familiarity with end-user hardware and software systems.</li><li>Comfortable working with regional teams and external vendors.</li></ul> Key Highlights of the Role <ul><li>Join a supportive and collaborative work environment with a positive company culture.</li><li>Collaborate with regional and international teams across APAC, gaining valuable cross-border experience.</li><li>Benefit from a flat management structure, encouraging open communication, autonomy, and faster decision-making.</li><li>Receive a competitive salary, up to 10 million JPY, with opportunities for career growth and professional development.</li><li>Be part of a stable organization that values work-life balance and long-term employee satisfaction.</li></ul> Location Tokyo Salary7 - 10 million yen Reference Number: 06940-0013343412 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/ZXJpa2EueWFtYWRhLjE1ODYyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-11-28T06:33:41Z

Data Engineer

Tokyo,
remote
Contract
8.1M - 8.1M JPY / Yearly
JO: 06940-0013310510 Location: Tokyo Annual Salary: Around ¥8,112,000Department Overview: The department manages and provides master data across multiple business units, delivering value through data-driven development. It also develops solutions for generating and assigning master data, supporting a variety of use cases.Position Outline: This position is an engineering role within the Product Master Group, responsible for managing standardized product data to enable end-users to search and interact with structured information more efficiently.Responsibilities:<ul data-start="699" data-end="911"><li data-start="699" data-end="822">Full-stack responsibility for data infrastructure and products, including design, development, testing, and operations.</li><li data-start="823" data-end="911">For experienced candidates: contribute to requirements definition and system design.</li></ul>Required Skills:<ul data-start="936" data-end="1714"><li data-start="936" data-end="1036">4+ years of professional experience in Data Engineering or Software Engineering focusing on data</li><li data-start="1037" data-end="1107">Strong proficiency in Java and Spring Boot (version 1.8 or higher)</li><li data-start="1108" data-end="1187">Experience with unit testing (e.g., JUnit) and performance-conscious coding</li><li data-start="1188" data-end="1248">Experience creating batch applications using Spring Boot</li><li data-start="1249" data-end="1337">Experience with relational databases (e.g., MySQL) and NoSQL databases (e.g., HBase)</li><li data-start="1338" data-end="1427">Solid understanding of database schema design, SQL tuning, and performance evaluation</li><li data-start="1428" data-end="1566">Experience with cloud platforms (AWS, GCP, Azure) and related services (e.g., Dataflow, Dataproc, Cloud Functions, Bigtable, BigQuery)</li><li data-start="1567" data-end="1630">Experience with Linux operating systems and shell scripting</li><li data-start="1631" data-end="1714">Experience working in a team environment and collaborating on design and coding</li></ul>Preferred Skills:<ul data-start="1740" data-end="1993"><li data-start="1740" data-end="1824">Experience with large-scale data processing systems (e.g., Apache Spark, Hadoop)</li><li data-start="1825" data-end="1875">Experience with API development (RESTful APIs)</li><li data-start="1876" data-end="1952">Experience with containerization technologies (e.g., Docker, Kubernetes)</li><li data-start="1953" data-end="1993">Experience with TypeScript or Python</li></ul>Language Requirements:<ul data-start="2024" data-end="2099"><li data-start="2024" data-end="2052">Japanese: Conversational</li><li data-start="2053" data-end="2099">English: Business level (e.g., TOEIC 800+)</li></ul>Contract Terms:<ul data-start="2123" data-end="2212"><li data-start="2123" data-end="2212">Initial contract: 2 months, with 3-month extensions expected for long-term employment</li></ul>Working Hours & Holidays:<ul data-start="2246" data-end="2328"><li data-start="2246" data-end="2291">Weekdays: 9:00-17:30 (Break: 12:00-13:00)</li><li data-start="2292" data-end="2328">Weekends and public holidays off</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/c2Fvcmkua29kYWthLjU3MzU2LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-10-30T08:18:18Z

Data Engineer

Tokyo,
remote
Contract
5.0M - 7.0M JPY / Yearly
CLIENT HOT BUTTONS<ul><li>This team manages standardized product data that enables smoother end-user search experiences</li><li>Team operates 70% English, 30% Japanese - need someone comfortable in this bilingual environment without being slowed down by language barriers</li><li>Full-stack responsibility from design through operations - they want someone who can own the entire lifecycle, not just code</li></ul>KEY REQUIREMENTS<ul><li>MUST HAVE: 4+ years professional Data Engineering or Software Engineering with data focus</li><li>MUST HAVE: Strong Java and Spring Boot framework (version 1.8+) with unit testing and performance-conscious coding</li><li>MUST HAVE: Experience with both relational (MySQL) and NoSQL databases (HBase) including schema design and SQL tuning</li><li>MUST HAVE: Cloud platform experience (GCP preferred, AWS acceptable) with services like Dataflow, Dataproc, Cloud Functions, Bigtable, BigQuery</li><li>MUST HAVE: Linux OS and shell scripting experience</li><li>MUST HAVE: Team collaboration experience on detailed design and coding</li><li>LANGUAGE: Conversational Japanese (J4), Business English (E2)</li></ul>Products/Projects<ul><li>Product Master Group manages standardized and identified product data for commodity/item data, enabling end-users to search more smoothly with structured/organized data</li></ul>Tech Stack/Tools<ul><li>Java, Spring Boot 1.8+, MySQL, HBase, GCP (Dataflow, Dataproc, Cloud Functions, Bigtable, BigQuery), Linux, shell scripting. Nice to have: Apache Spark, Hadoop, Docker, Kubernetes, TypeScript, Python</li></ul>Work Style<ul><li>Full-stack responsibility covering design, development, testing, and operations. More experienced candidates contribute to requirements definition and system design. Team communication is 70% English, 30% Japanese</li></ul>Location TokyoSalary5 - 7 million yen Reference Number: 06940-0013302873By 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/bWljaGFlbC5oYWdlZG9ybi42ODAwNC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-10-03T01:06:16Z

Back End Engineer

Tokyo,
remote
Permanent
8.0M - 11.0M JPY / Yearly
Company ProfileA post-IPO tech company in the hospitality industry The Role<ul><li>Lead migration to Service-Oriented Architecture-define domain boundaries, design APIs, select tech stack</li><li>Own full software lifecycle-launch strategies, zero-downtime deployments, observability implementation</li><li>Translate vague product requirements into technical specs, identifying implicit constraints</li><li>Design database schemas for performance, scale, and consistency in distributed payments/bookings</li></ul>Your Skills <ul><li>Proficiency in statically typed languages (Go, Kotlin, Scala, Rust, C#) with strong async/concurrent programming skills</li><li>Experience building SOA services and refactoring legacy monoliths</li><li>Hands-on CI/CD and zero-downtime deployment experience</li><li>Knowledge of scalable databases (Cassandra, AWS Aurora)</li><li>Expertise with observability tools (Datadog, Grafana, Prometheus)</li></ul> Location Tokyo Salary8 - 11 million yen Reference Number: 06940-0013343690 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi43MzM0OS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-12-01T05:58:25Z

AI Engineer

Tokyo,
remote
Permanent
7.0M - 13.0M JPY / Yearly
Company ProfileAI technology start-up which provides end to end AI solutions to clients across Japan. The RoleOur company is experiencing rapid growth through product development leveraging Generative AI. As AI technologies and their social implementation accelerate, the importance of scalable and robust backend development for our innovative AI product suite-including our chat platform, speech solution, and agent system-continues to increase. Your Skills <ul><li>5+ years of application development experience using Python</li><li>3+ years of experience developing complex SaaS products or high-traffic B2B products</li><li>3+ years of experience with cloud services (AWS, GCP, Azure) and container technologies (Docker, Kubernetes)</li><li>Experience working at startups or growth-stage companies, or equivalent environments</li><li>Knowledge of and passion for AI-related technologies</li><li>Experience building systems utilizing natural language processing or machine learning</li><li>Experience developing machine learning models with Python, TensorFlow, or PyTorch</li><li>Experience with chatbot, speech recognition systems, or AI agent development</li><li>Experience launching new businesses/products from the 0→1 phase</li></ul> Location Tokyo Salary7 - 13 million yen Reference Number: 06940-0013273193By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi41ODkxNC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-11-27T00:37:32Z

Data Engineer

Tokyo,
remote
Contract
7.9M - 7.9M JPY / Yearly
Location: Tokyo JO: 06940-0013315515 Annual Salary: JPY 7,904,000<h4 data-start="266" data-end="297">Department Overview:</h4>The Data Lakehouse Section is responsible for providing scalable Lakehouse platform solutions to support the business and operations of the organization. Our mission is to accelerate the use of data by providing flexible platforms that can host a wide range of data solutions.<h4 data-start="576" data-end="605">Position Overview:</h4>This position is focused on developing and managing data warehouse solutions using a Lakehouse platform on Azure. The role involves understanding business requirements, implementing data solutions, and supporting daily operations for the platform.<h4 data-start="855" data-end="887">Key Responsibilities:</h4><ul data-start="888" data-end="1306"><li data-start="888" data-end="1000">Develop and manage data warehouse solutions for business operations using Databricks and other relevant tools.</li><li data-start="1001" data-end="1088">Implement business requirements into the platform and ensure smooth daily operations.</li><li data-start="1089" data-end="1152">Design, implement, and optimize data pipelines and workflows.</li><li data-start="1153" data-end="1236">Collaborate with internal teams to troubleshoot and enhance platform performance.</li><li data-start="1237" data-end="1306">Support continuous improvement initiatives for data infrastructure.</li></ul><h4 data-start="1308" data-end="1335">Required Skills:</h4><ul data-start="1336" data-end="1770"><li data-start="1336" data-end="1397">3+ years of development experience, preferably with Python.</li><li data-start="1398" data-end="1471">Experience working with public cloud platforms (e.g., GCP, AWS, Azure).</li><li data-start="1472" data-end="1545">Proficiency in Databricks or similar platforms for big data processing.</li><li data-start="1546" data-end="1638">Ability to write clean, production-level code that is maintainable and easy to understand.</li><li data-start="1639" data-end="1770">Experience with common machine learning frameworks (e.g., TensorFlow, PyTorch) and libraries (e.g., scikit-learn, NumPy, pandas).</li></ul><h4 data-start="1772" data-end="1800">Preferred Skills:</h4><ul data-start="1801" data-end="2700"><li data-start="1801" data-end="1913">Experience with the deployment and training of machine learning models and MLOps tools (e.g., MLFlow, Seldon).</li><li data-start="1914" data-end="1979">Experience with RESTful APIs and batch processing applications.</li><li data-start="1980" data-end="2120">Familiarity with the full software development lifecycle, including agile development practices and using task management tools like JIRA.</li><li data-start="2121" data-end="2206">Experience with microservice development and operation using Docker and Kubernetes.</li><li data-start="2207" data-end="2282">Knowledge of big data technologies such as Spark, Kafka, Delta Lake, etc.</li><li data-start="2283" data-end="2352">Experience with data modeling and observability of data and models.</li><li data-start="2353" data-end="2418">Experience with production engineering practices such as CI/CD.</li><li data-start="2419" data-end="2464">Performance profiling and tuning expertise.</li><li data-start="2465" data-end="2550">Experience in developing distributed, scalable, and high-availability applications.</li><li data-start="2551" data-end="2630">Understanding of GPU-based applications, machine learning, and deep learning.</li><li data-start="2631" data-end="2700">Experience with orchestration tools such as Airflow, Kubeflow, etc.</li></ul><h4 data-start="2702" data-end="2732">Personal Qualities:</h4><ul data-start="2733" data-end="2968"><li data-start="2733" data-end="2789">Strong problem-solving skills and analytical thinking.</li><li data-start="2790" data-end="2849">Ability to collaborate effectively in a team environment.</li><li data-start="2850" data-end="2898">Eagerness to learn and apply new technologies.</li><li data-start="2899" data-end="2968">Goal-oriented and results-driven with a focus on achieving success.</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/c2Fvcmkua29kYWthLjAwNjIxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-10-31T03:07:20Z

Site Reliability Engineer (SRE)

Tokyo,
remote
Contract
10.8M - 10.8M JPY / Yearly
Company ProfileMobility-focused technology subsidiary of a major Japanese automotive manufacturerThe RoleThis role is critical in accelerating production readiness by bringing external SRE expertise, improving operational maturity, and enabling the engineering team to adopt industry best practices. You will play a hands-on role in on-call operations, incident response, observability, and continuous improvement while elevating the team's operational knowledge.<ul><li>Knowledge Transfer & Training: Share SRE best practices, train engineers, establish effective on-call structures, and support tool selection (e.g., PagerDuty).</li><li>On-Call Operations: Serve as the first responder for daily alerts and user inquiries, drive root-cause identification, and escalate appropriately.</li><li>Alert Optimization: Improve alert quality, reduce noise, and ensure accurate and actionable signals.</li><li>Incident Management: Lead incident response, run post-mortems, and implement preventive measures across the organization.</li><li>Monitoring & Reliability: Define and optimize SLOs/SLIs, enhance monitoring systems, and elevate reliability practices.</li><li>Cross-Functional Collaboration: Communicate clearly with SRE, infra, data, and service teams to drive operational alignment.</li><li>Documentation: Build and maintain structured SoPs and runbooks.</li><li>Continuous Improvement: Enhance alerting, operations, and observability (o11y) maturity.</li><li>Security Integration: Incorporate security and compliance into all operational workflows.</li><li>Tooling & Innovation: Evaluate and introduce new technologies that improve efficiency and reliability.</li></ul>LocationTokyoSalary5,210 yen / Hour Reference Number: 06940-0013331590By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/YXJ5YS5wYW11bmdrYXMuMzg0NzMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-12-02T06:50:24Z