37 results for Qa Engineer Tester in Japan

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

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

Quality Assurance Testing Manager

Tokyo,
remote
Contract
7.2M - 7.2M JPY / Yearly
Job Opening: QA Test EngineerOur client is seeking a QA Test Engineer to join a dynamic and fast-paced technology team. In this role, you will be responsible for ensuring the quality and reliability of software products by designing and executing test strategies, collaborating with cross-functional teams, and driving continuous improvement in testing practices.Key Responsibilities<ul><li>Test planning & execution: Develop comprehensive test plans, design test cases, and execute them across multiple scenarios and functionalities.</li><li>Testing coverage: Conduct functional, regression, and performance testing to validate new features, safeguard existing functionality, and assess performance under different conditions.</li><li>Defect management: Identify, document, and track defects, providing clear and actionable feedback to ensure timely resolution.</li><li>Cross-team collaboration: Partner with developers, product managers, and stakeholders to align testing efforts and resolve issues efficiently.</li><li>Test automation: Build and maintain automated test cases using modern tools and frameworks to increase efficiency.</li><li>Code review participation: Contribute feedback on code quality and adherence to standards during reviews.</li><li>Documentation: Maintain clear and consistent documentation of test plans, cases, and results for knowledge sharing.</li><li>Continuous improvement: Suggest and implement process enhancements, tools, and methodologies to strengthen QA practices.</li></ul>Skills & Qualifications<ul><li>Strong analytical and problem-solving skills with the ability to design effective testing strategies.</li><li>Excellent communication skills to collaborate with both technical and non-technical team members.</li><li>Solid understanding of testing methodologies and experience with modern testing tools/frameworks.</li><li>Experience working in Agile development environments.</li><li>Knowledge of the Software Development Lifecycle (SDLC).</li><li>Familiarity with programming/scripting languages (a plus, especially for test automation).</li></ul>What's on Offer<ul><li>Competitive salary and benefits package.</li><li>Opportunity to work on cutting-edge projects in a collaborative, innovative environment.</li><li>Career growth potential in a supportive and international team culture.</li></ul>Monthly Salary600,000 yen LocationTokyo Reference Number: 06940-0013269631By 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/YWhtYWQucm95YW5pLjg2MzkxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-08-21T00:35:46Z

SDET(Software Development Engineer in Test)

Fukuoka,
remote
Permanent
6.5M - 10.0M JPY / Yearly
SDET (Software Development Engineer in Test) - Cashless Business Platform (Fukuoka / Hybrid) Only applicants currently residing in Japan with valid working visas will be considered. We are hiring a Software Development Engineer in Test (SDET) to support the quality and reliability of a growing cashless payment platform for businesses. This product enables companies to streamline expense management using real and virtual business cards, supporting operational efficiency and digitization. This role is based at our Fukuoka development center, which plays a central role in service expansion. Candidates must be willing to work onsite multiple days per week under our hybrid work model. We are also offering a UI-turn relocation support program, including a relocation allowance of up to ¥500,000 for eligible engineers moving to Fukuoka (conditions apply). Key Responsibilities:<ul><li>Design and implement automated test scripts for both functional and non-functional testing</li><li>Execute API tests using real environments (no mock)</li><li>Build and maintain test pipelines within CI/CD</li><li>Plan and refine test strategies aligned with product goals</li><li>Review code and test cases, covering edge scenarios</li></ul>Minimum Requirements:<ul><li>3+ years of experience in either software development or automated testing with scripting languages</li><li>Interest in quality assurance and test automation</li><li>Conversational Japanese (N3 level or equivalent; tools allowed for internal communication)</li><li>Business-level English (TOEIC 700+ or equivalent); capable of participating in English meetings and documentation from day one</li></ul>Preferred:<ul><li>Degree or equivalent knowledge in computer science or information engineering</li><li>Experience writing high-precision test specifications</li><li>Familiarity with AI development or AI tools used to improve engineering workflows</li></ul>Tech Stack:<ul><li>Backend: Ruby on Rails</li><li>Frontend: Next.js, Redux, TypeScript, Apollo Client, Jest</li><li>Database: MySQL (Aurora)</li><li>Infrastructure: AWS, Docker, nginx, Redis, Terraform</li><li>CI/CD: CircleCI, GitHub Actions</li><li>Monitoring: DataDog, Rollbar</li><li>Communication: Slack / Jira</li></ul>Workstyle & Benefits:<ul><li>Hybrid work model (minimum 2 office days/week required)</li><li>Working hours: 9:30-18:30 (flexible under discretionary labor system)</li><li>Relocation support for UI-turn to Fukuoka</li><li>Support for devices, books, and conference participation</li><li>Comprehensive benefits: insurance, stock plan, pension, housing assistance, and more</li></ul>Ref No.: 06940-0013264320By 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/U2hpbWFtdXJhLlNoaW5vYnUuMjI0NzAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-18T03:38:57Z

Quality Assurance Testing Manager

Tokyo,
remote
Contract
7.3M - 7.3M JPY / Yearly
Department Overview The Cyber Security Defense Department (CSDD) serves as the headquarters' proactive unit dedicated to cyber defense, overseeing a broad range of protective measures. These include areas such as security solution engineering, Secure Development Lifecycle (SDL) management, vulnerability assessments, penetration testing, security architecture design, threat intelligence analysis, and incident response. Within CSDD, the Cyber Defender Empowerment Section specializes in security solution engineering, covering all stages of the lifecycle-planning, design, development, deployment, and maintenance-to deliver innovative security solutions.Position Outline We are looking for an experienced professional with a strong background in QA engineering to act as a key technical contributor for our in-house developed, innovative, and standardized cybersecurity products/solutions. This position involves overseeing the standardization of the testing process, including planning, designing, and executing tests, while collaborating with development teams to enhance service quality. You will also be tasked with building and advocating for environments that support test automation and continuous testing. We seek a senior QA engineer with technical expertise, experience, and passion for ensuring the reliability and scalability of our in-house cybersecurity products/solutions. Ideally, the candidate should also have experience using AI-driven testing tools and incorporating generative AI to refine testing methodologies.Responsibilities<ul><li>Design and manage the infrastructure for test automation.</li><li>Develop and maintain continuous testing environments.</li><li>Create test automation scripts for UI, API, and web applications.</li><li>Develop performance test scripts, execute performance tests, and analyze results.</li><li>Conduct test code reviews.</li><li>Verify and analyze test results.</li><li>Research and implement automation strategies to enhance testing productivity.</li><li>Explore and apply AI-driven testing methodologies, including automated test case generation, intelligent test execution, and anomaly detection.</li></ul>Reference No. 06940-0013286110 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/c2Fvcmkua29kYWthLjU2NTIyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-09-12T06:57:22Z

Tester Engineer

Tokyo,
remote
Contract
6.5M - 6.5M JPY / Yearly
Location: Tokyo | Annual Salary: ¥6.5M | Reference Number: 06940-0013296496A Tokyo-based team is looking for a QA professional to drive quality across multiple projects. This role focuses on metric-driven quality assurance, cross-team collaboration, and hands-on testing operations - including offshore coordination.<h3 data-start="458" data-end="477">What you'll do:</h3><ul data-start="478" data-end="1046"><li data-start="478" data-end="551">Monitor quality KPIs and investigate underlying trends or root causes</li><li data-start="552" data-end="628">Collaborate with Product and Dev teams to improve and clarify test specs</li><li data-start="629" data-end="721">Support performance culture by standardizing QA processes, especially for low performers</li><li data-start="722" data-end="796">Manage daily task assignments, including working with outsourced teams</li><li data-start="797" data-end="870">Lead multiple projects and coordinate both onsite and offsite efforts</li><li data-start="871" data-end="925">Create, execute, and manage test plans and designs</li><li data-start="926" data-end="998">Perform testing operations and coordinate with external QA resources</li><li data-start="999" data-end="1046">Deliver consistent reporting (daily & weekly)</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/VG9tb2UuTW91bnRlZXIuMzE5MjguMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-09-26T00:55:20Z

Penetration Tester

Tokyo,
remote
Contract
750000 - 750000 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 Penetration Tester to evaluate and enhance the security of digital products. The role involves conducting penetration tests, identifying vulnerabilities, and collaborating with cross-functional teams to ensure robust and secure systems.Key Responsibilities<ul><li>Triage: Review product changes and assess if a penetration test is necessary</li><li>Scoping: Identify components for testing, define test types, and estimate required effort</li><li>Threat Modeling: Conduct informal threat models to identify critical testing areas and potential attacks</li><li>Testing: Perform time-boxed penetration tests, including setup, teardown, reporting, and familiarization with technologies</li><li>Reporting: Write clear, concise vulnerability reports, including severity assessment, reproduction steps, and justification</li><li>Retesting: Confirm the effectiveness of remediations for previously reported vulnerabilities</li><li>Process Improvement: Suggest and implement improvements to testing processes, documentation, templates, and tools</li><li>Peer Review: Review and provide feedback on reports prepared by other testers</li><li>Cross-Functional Collaboration: Work with designers, product managers, and engineers to understand products and deliver quality testing</li></ul> Monthly Salary750,000 yenLocationTokyo Reference Number: 06940-0013291287By 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/VG9tb2UuTW91bnRlZXIuMDQ1MjAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-09-18T02:25:54Z

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

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">
2025-09-17T03:43:59Z

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">
2025-10-03T01:06:22Z

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">
2025-10-03T04:30:27Z

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

Software Engineer

Tokyo,
remote
Contract
10.0M - 10.0M JPY / Yearly
Software Engineer - Data PlatformAbout the Role We are seeking a software engineer to join the data platform team. In this role, you will design, develop, and maintain critical systems that enable our data ingestion and processing pipelines. You will leverage modern cloud-based technologies to ensure that our data infrastructure remains secure, efficient, and highly reliable.Key Responsibilities<ul><li>Develop and maintain robust data ingestion pipelines capable of processing large-scale datasets.</li><li>Collaborate closely with the Security and Privacy teams to ensure compliance with relevant standards and regulations.</li><li>Conduct integration, end-to-end, and load testing to identify and resolve issues in data pipelines.</li><li>Use observability tools to monitor production systems, setting up alerts and tracking their performance effectively.</li><li>Troubleshoot and resolve bugs and performance bottlenecks within data processing systems.</li></ul>What We're Looking For<ul><li>Proficiency in programming with Kotlin or Java.</li><li>Experience with cloud technologies (e.g., AWS), microservices, and event-driven distributed system architectures.</li><li>Strong database expertise, including SQL, relational databases, and NoSQL solutions.</li><li>Familiarity with data streaming tools such as AWS Kinesis, Kafka, Flink, or Spark.</li><li>Hands-on experience with Snowflake for data warehousing.</li><li>A solid understanding of monitoring, troubleshooting, and performance optimization for production systems.</li></ul> Reference No.: 06940-0013272616By 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/V2lsbC5GaXRjaC41NDcxNC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-09-05T04:37:49Z

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">
2025-09-24T03:18:38Z

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 (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">
2025-10-03T01:54:04Z

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">
2025-09-19T01:57:24Z

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

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

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">
2025-10-03T01:14:45Z

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

Software Engineer

Tokyo,
remote
Permanent
7.0M - 12.0M JPY / Yearly
<h2 data-start="77" data-end="134">Join Us in Building the Future of Security Learning</h2>We are developing a system that enables people to efficiently and practically gain security knowledge, by personalizing learning based on each individual's skill level and activity history. Our engineering-driven team is at the heart of this initiative, creating impactful products that make real-world learning more effective.We're now looking to welcome two new engineers to the core development team driving this mission forward.<hr data-start="582" data-end="585" /><h2 data-start="587" data-end="623">Open Positions (1 person each)</h2><h3 data-start="625" data-end="666">① Backend & Infrastructure Engineer</h3>You'll be responsible for building and operating a robust, scalable, and secure infrastructure to support our product-mainly using Python and AWS.<h3 data-start="819" data-end="877">② Product Engineer (Feature & User Experience Focus)</h3>You'll work closely with the PdM and designers to create valuable features from scratch, building experiences that directly improve how users learn and grow.<hr data-start="1041" data-end="1044" /><h2 data-start="1046" data-end="1064">Why Join Us?</h2><h3 data-start="1066" data-end="1106">High autonomy in a close-knit team</h3>A nimble team structure where you can take initiative and focus deeply on development.<h3 data-start="1195" data-end="1235">Fully remote & flexible work style</h3>Work from anywhere, anytime. The only in-person requirement is for occasional team events.<h3 data-start="1328" data-end="1358">A learning-first culture</h3>We actively support continuous learning with book and exam subsidies, regular internal tech talks, and study groups.<h3 data-start="1481" data-end="1543">Real impact in the growing field of Security × Education</h3>You'll build a product that contributes directly to society, while expanding both your technical expertise and domain perspective.<hr data-start="1680" data-end="1683" /><h2 data-start="1685" data-end="1713">What We're Looking For</h2>We welcome candidates with the following skills and experience:<ul data-start="1784" data-end="2061"><li data-start="1784" data-end="1827">4+ years of web application development</li><li data-start="1828" data-end="1882">Backend experience in Python or TypeScript</li><li data-start="1883" data-end="1924">2+ years of development using AWS</li><li data-start="1925" data-end="2012">1+ year of experience with IaC tools like Terraform, CloudFormation, or Ansible</li><li data-start="2013" data-end="2061">Experience working in Agile or Scrum teams</li></ul>Experience in security or education is not required-but curiosity and a willingness to learn are highly valued!<hr data-start="2178" data-end="2181" /><h2 data-start="2183" data-end="2211">🛠 Our Tech Stack & Tools</h2>Languages & Frameworks Python (Django, DRF), TypeScript (Next.js, React)Infrastructure AWS (ECS, Lambda, CloudFormation, ECR), Terraform, DockerDatabase & Others PostgreSQL, Redis, Elasticsearch, GitHub Actions, SentryAI / LLM Azure OpenAITools We Use Slack, Miro, Figma, ChatGPT, Gather, Cursor, etc.<hr data-start="2554" data-end="2557" /><h2 data-start="2559" data-end="2580">Work Conditions</h2><ul data-start="2582" data-end="3213"><li data-start="2582" data-end="2643">Employment type: Full-time (4-month probation period)</li><li data-start="2644" data-end="2708">Annual salary: ¥7M-¥12M (based on experience and skills)</li><li data-start="2709" data-end="2798">Work style: Fully remote by default (with a Tokyo office), flexible working hours</li><li data-start="2799" data-end="2928">Time off: Weekends, national holidays, year-end/New Year, summer break, paid leave, and special leave (e.g., bereavement)</li><li data-start="2929" data-end="3213">Benefits:<ul data-start="2949" data-end="3213"><li data-start="2949" data-end="2974">Full social insurance</li><li data-start="2977" data-end="3009">Transportation reimbursement</li><li data-start="3012" data-end="3071">Annual health check (support for full medical checkups)</li><li data-start="3074" data-end="3108">Certification/learning support</li><li data-start="3111" data-end="3142">Internal recognition system</li><li data-start="3145" data-end="3178">Childcare and nursing support</li><li data-start="3181" data-end="3213">Stock ownership plan, and more</li></ul></li></ul> Reference Number: 06940-0013263495By 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/U2hpbWFtdXJhLlNoaW5vYnUuNTg3MDAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-18T00:10:25Z

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

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">
2025-10-03T01:10:50Z

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