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42 results for Software Developer in Japan

Software Engineer
  • Tokyo,
  • remote
  • Permanent
  • 9.5M - 9.5M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>A Japanese subsidiary of the global cybersecurity firm. it operates independently in Japan.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Design, develop, and maintain high-quality software solutions.</li><li>Collaborate with cross-functional teams to define requirements and deliver scalable applications.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Proficiency in programming languages such as Java, Python, or C++.</li><li>Experience with cloud platforms and distributed systems.</li><li>Excellent problem-solving skills and attention to detail.</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>9.5 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013356214</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/S29qaS5ZYWdpbnVtYS44ODc1Ny4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
  • 2026-01-14T02:31:15Z
Principal Software Engineer
  • Tokyo,
  • remote
  • Permanent
  • 10.0M - 19.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>Enterprise SaaS provider specializing in contract management solutions that transform how businesses leverage contract data. Post-PMF company experiencing rapid growth, backed by years of proprietary OCR and NLP technology development. The platform serves legal, sales, engineering, and executive teams across major Japanese enterprises, combining battle-tested data digitization expertise with cutting-edge generative AI capabilities.</p><p> </p><p><strong>The Role</strong></p><ul><li>Lead critical technical initiatives from architecture design through implementation and team guidance</li><li>Own technology decisions and code reviews across new feature development, improvements, and operations</li><li>Drive performance optimization strategies for contract data processing and full-text search at scale</li><li>Design and implement microservices architecture to support global expansion and feature velocity</li><li>Build LLM inference infrastructure that combines massive document processing with generative AI</li><li>Shape technical stack evolution and modernization across the entire platform</li><li>Provide hands-on technical mentorship to engineering teams while establishing systems that improve code quality</li><li>Identify and solve cross-product technical challenges that impact organizational efficiency</li></ul><p> </p><p>Tech Stack: Kotlin, Ktor, Spring Boot, TypeScript, React, Vite, PostgreSQL, Elasticsearch, Google Cloud (Cloud Run, Cloud Functions), GitHub Actions, Splunk</p><p><strong> </strong></p><p><strong>Your Skills </strong></p><p>Required:</p><ul><li>7+ years building web applications with proven architectural ownership</li><li>Deep backend expertise using statically-typed languages (Java, Kotlin, Go, TypeScript)</li><li>SPA frontend development experience with React, Vue.js, or similar frameworks</li><li>Public cloud architecture - designing and operating systems on GCP, AWS, or Azure</li><li>DDD modeling proficiency and understanding of cloud design patterns</li><li>RDB design and performance tuning skills for high-volume data processing</li><li>Technical leadership experience guiding development teams</li><li>Business-level proficiency in both Japanese and English</li><li>Valid work authorization for Japan or current Japan residency</li></ul><p>Preferred:</p><ul><li>Large-scale, high-traffic services experience</li><li>SRE/DevOps background with microservices architecture design</li><li>SaaS product launch experience from zero to production</li><li>Security design and vulnerability remediation knowledge</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Post-PMF hypergrowth phase - architect systems that scale from successful product to market-defining platform with massive technical autonomy over technology selection and strategic direction</li><li>Unique technical challenge - combine proprietary OCR/NLP technology developed over years with cutting-edge generative AI to achieve precision levels generic solutions cannot match</li><li>Scale-specific challenges - microservices transformation, large-scale LLM infrastructure, and DDD modeling of complex domains at enterprise scale</li><li>Hands-on + leadership balance - design your own approach between architectural leadership and technical implementation</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>10 - 19 million yen</p><p> </p><p><strong> </strong></p><p>Reference Number: 06940-0013342172</p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a></span></em><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><hr /><p><em>「応募」をクリックすることにより、お客様はロバート・ハーフ(以下、当社)のプライバシー通知(</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a></span></em><em>)に同意したものとみなされます。</em> <em>応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。</em></p><img src="https://counter.adcourier.com/c3VlLnRpbmcuOTQxNzkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
  • 2025-12-02T07:27:57Z
Project Manager - SDLC / Software Development
  • Tokyo,
  • remote
  • Permanent
  • 7.5M - 11.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>A growing fintech firm with more than 100 full-time employees who also have the backing of one of Japan's most prominent fintech firms.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>You'll be working directly with stakeholders from both global and local financial institutions to implement the company's system - you'll be responsible for the end-to-end implementation of the system, including requirements gathering and creating specifications for tech teams.</li><li>There is also a separate team focusing on the ongoing support and maintenance of the system with existing customers and you may also be suitable for this team.</li></ul><p> </p><p><strong>Your Skills </strong></p><ul><li>Fluent Japanese is mandatory for the role. Business English will be useful for dealing with offshore development teams.</li><li>Previous IT project management experience, ideally covering software development / with deep knowledge of the SDLC / Agile methodologies.</li><li>Any exposure to the financial services or banking sectors would also be an advantage, but not essential.</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Join a company that has retained its own startup culture despite being acquired by a leading fintech sector.</li><li>This role can be performed 100% remotely (as long as you are already in Japan). There may be quarterly team meetings to attend in Tokyo, but the day-to-day role allows for full remote.</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>7.5 - 11 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013363666</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/VWJoaS5TYW5kZWVwLjgzMzIzLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-01-15T03:09:07Z
Devops Engineer
  • Tokyo,
  • remote
  • Contract
  • 10.0M - 10.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>This is a mobility technology company engaged in the development of software‑defined vehicles, automated driving systems, and smart‑city technologies.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>As a DevOps Engineer, you will design, optimize, and automate software delivery pipelines that enable safe, secure, and high‑quality automotive and mobility software.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Passion for automating and optimizing software development processes.</li><li>Ability to thrive in a fast‑moving, cross‑functional engineering environment.</li></ul><p> </p><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Cloud Infrastructure: AWS, Azure, Kubernetes, Docker, Terraform, Istio</li><li>Experience building CI/CD pipelines using industry‑standard tooling</li><li>Strong scripting/coding skills (e.g., Python, Go, Bash)</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>5,000 yen hourly</p><p><strong> </strong></p><p>Reference Number: 06940-0013365570</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjY1NjY2LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-02-04T08:07:12Z
DevOps Engineer
  • Tokyo,
  • remote
  • Contract
  • 6.9M - 6.9M JPY / Yearly
  • <h2 data-start="159" data-end="173">Job Summary</h2><p data-start="175" data-end="396">This role is responsible for the operation and maintenance of systems in the Japan office.<br data-start="265" data-end="268" /> The position covers server management, service operations, automation, performance tuning, and ensuring stable system operation.</p><hr data-start="398" data-end="401" /><h2 data-start="403" data-end="434">Required Skills / Experience</h2><ul data-start="436" data-end="779"><li data-start="436" data-end="485"><p data-start="438" data-end="485">3+ years of experience managing Linux servers</p></li><li data-start="486" data-end="533"><p data-start="488" data-end="533">Experience operating services built on Java</p></li><li data-start="534" data-end="586"><p data-start="536" data-end="586">Experience writing and maintaining shell scripts</p></li><li data-start="587" data-end="632"><p data-start="589" data-end="632">Experience with CI/CD processes and tools</p></li><li data-start="633" data-end="699"><p data-start="635" data-end="699">Experience with configuration management for system deployment</p></li><li data-start="700" data-end="750"><p data-start="702" data-end="750">Understanding of system performance and tuning</p></li><li data-start="751" data-end="779"><p data-start="753" data-end="779">Basic networking knowledge</p></li></ul><hr data-start="781" data-end="784" /><h2 data-start="786" data-end="818">Preferred Skills / Experience</h2><ul data-start="820" data-end="1082"><li data-start="820" data-end="883"><p data-start="822" data-end="883">Software development experience in any programming language</p></li><li data-start="884" data-end="945"><p data-start="886" data-end="945">Experience running services in containerized environments</p></li><li data-start="946" data-end="1000"><p data-start="948" data-end="1000">Experience with monitoring and observability tools</p></li><li data-start="1001" data-end="1082"><p data-start="1003" data-end="1082">Experience with large-scale data processing or distributed systems technologies</p></li></ul><hr data-start="1084" data-end="1087" /><p data-start="1089" data-end="1176"><strong data-start="1089" data-end="1103">Job Order:</strong> 06940-0013342129<br data-start="1120" data-end="1123" /> <strong data-start="1123" data-end="1136">Location:</strong> Tokyo<br data-start="1142" data-end="1145" /> <strong data-start="1145" data-end="1156">Salary:</strong> Annual ¥6,864,000</p><p data-start="1089" data-end="1176"> </p><p data-start="1089" data-end="1176"> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/bHVrZS5mdXJuaXZhbC4yODM3MC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
  • 2025-12-19T01:12:31Z
Software/Applications Architect
  • Tokyo,
  • remote
  • Permanent
  • 15.5M - 15.5M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p data-start="375" data-end="709">A Japan-based fintech company providing cross-border payment solutions is seeking an experienced <strong data-start="472" data-end="489">iOS Developer</strong> to help build and scale its merchant-facing mobile application. This role offers a rare opportunity to design and develop a mobile product from the ground up, shaping both the technical architecture and user experience.</p><p data-start="711" data-end="1033">You will play a key role in creating intuitive mobile experiences that support merchant onboarding, payment acceptance, financial management, and reporting. The position involves close collaboration with product managers, backend engineers, and Android developers to deliver high-quality mobile solutions across platforms.</p><p data-start="1035" data-end="1167">While the company operates in a remote-first environment, this role is based in Tokyo and requires willingness to relocate to Japan.</p><p data-start="1035" data-end="1167"><strong>The Role</strong></p><ul><li>Develop and maintain the merchant-facing iOS application</li><li>Collaborate with product managers and engineers to define, design, and ship new features</li><li>Contribute to mobile architecture and technical design across iOS and Android platforms</li><li>Work closely with backend engineers to design and implement mobile features</li><li>Ensure high performance, reliability, and usability of mobile applications</li></ul><p><strong>Your Skill</strong></p><ul><li>3+ years of experience in iOS application development</li><li>Strong knowledge of modern iOS SDKs and the mobile development lifecycle</li><li>General understanding of the Android platform and Kotlin</li><li>Experience integrating mobile applications with RESTful APIs</li><li>Solid understanding of mobile UI/UX best practices and platform design guidelines</li><li>Ability to work across multiple areas of the tech stack (T-shaped developer mindset)</li><li>Strong collaboration and communication skills</li></ul><p>Nice to Have</p><ul><li>Experience with cross-platform mobile frameworks</li><li>Experience working in a Japanese business environment</li><li>Intermediate-level Japanese language skills</li></ul><p><strong>Key Highlights of the Role</strong></p><ul><li>Flexible remote work with optional office access</li><li>Paid vacation plus additional seasonal leave</li><li>Paid birthday leave</li><li>Self-learning and skill development budget</li><li>Japanese language training support</li></ul><p><strong>Location</strong><br />Tokyo</p><p><strong>Salary<br /></strong>15.5 million yen</p><p> </p><p>Reference Number: 06940-0013342911</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/S29qaS5ZYWdpbnVtYS4zMTgwNS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
  • 2025-12-24T01:27:36Z
DX Solution Lead Engineer
  • Tokyo,
  • remote
  • Contract
  • 11.0M - 11.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>This company is a global internet services provider offering a diverse ecosystem of digital products across e‑commerce, fintech, digital content, communications, and professional sports.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>This role involves leading system architecture, integrating modern cloud and automation technologies, and collaborating with cross‑functional teams to enhance operational efficiency and business value. Strong technical leadership and hands‑on engineering capability are essential.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Strong background in software development and system architecture.</li><li>Proficiency in Java, Python, Go, or JavaScript/TypeScript.</li><li>Hands-on experience with cloud platforms (AWS, GCP, Azure).</li><li>Expertise in Docker, Kubernetes, and microservices.</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>5,500 JPY hourly</p><p><strong> </strong></p><p>Reference Number: 06940-0013372140</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjQyNzA1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-02-18T02:38:39Z
Head of Digital - Financial Services
  • Tokyo,
  • remote
  • Permanent
  • 14.0M - 16.5M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>European headquartered financial services company.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Reporting directly to the CIO, you will be managing a team of eight people, delivering projects relating to software development and configuration for both core insurance systems and other areas.</li><li>You'll be working with international stakeholders to ensure the systems for Japan are in line with global and regional standards.</li><li>Essentially, you'll be a high-level project manager, taking a birds' eye view of Digital/IT projects across the company.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>High business Japanese and English are mandatory.</li><li>Previous leadership experience as you'll be leading a team of eight.</li><li>A financial services background (banking, insurance, leasing, securities, fintech).</li><li>Early career will ideally be in software development as you'll be overseeing development / configuration teams.</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Join the IT leadership team of a major financial services company.</li><li>Work with international stakeholders daily under a very transformation minded CIO.</li><li>A great opportunity for a senior portfolio / product / project manager with some people management to step up into a formal leadership role.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>14 - 16 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013370384</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/VWJoaS5TYW5kZWVwLjUyOTU5LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-01-28T00:16:26Z
Product Manager
  • Tokyo,
  • remote
  • Permanent
  • 7.0M - 10.0M JPY / Yearly
  • <p>Company Profile<br />A global technology-driven organization operating a large-scale API and platform business is seeking a highly technical Product Development Manager to lead infrastructure-oriented product initiatives. The company supports an international user base and works within a deeply engineering-centric, multicultural environment.<br /><br />The Role<br />This role sits at the intersection of engineering and product management, owning the evolution of a core API platform used across multiple services and regions.<br />You will work closely with a highly technical, 20-30 person engineering-heavy team, driving product decisions related to API design, platform architecture, and infrastructure-level initiatives.<br /><br />The position requires hands-on technical credibility, this is not a business-facing PDM role. You will be responsible for translating complex engineering realities into clear product direction, managing technical specifications, API documentation, and platform roadmap priorities.<br />The environment is highly international, and English is the primary working language, with Japanese used for internal collaboration and select stakeholders.<br /><br />Your Skills</p><ul><li>Background as a software engineer transitioning into product management, or an experienced PDM with deep API / platform / infrastructure expertise</li><li>Proven experience managing API platforms, including API design, documentation, and gateway or API management tools</li><li>Strong understanding of infrastructure-level concerns such as database migrations, platform upgrades, and system architecture</li><li>Demonstrated ability to write clear, precise API documentation and technical specifications</li><li>Fluent English (business level required)</li><li>Japanese communication skills preferred (business level ideal; conversational level acceptable)</li><li>Comfortable working in highly technical, engineering-driven teams<br /><br />Nice to Have</li><li>Experience with cloud platforms (AWS, GCP, Azure)</li><li>Familiarity with infrastructure-as-code concepts</li><li>Experience in e-commerce or platform-based business models</li><li>Experience managing technical roadmaps and stakeholder alignment<br /><br />Key Highlights of the Role</li><li>Own and shape a global API platform with real architectural and infrastructure impact</li><li>Work in a deeply technical environment where engineering credibility truly matters</li><li>Collaborate with a diverse, international team using English as the primary language</li><li>Flexible location policy with offshore candidates welcome</li><li>Stable yet evolving platform with long-term technical challenges and growth opportunities<br /> </li></ul><img src="https://counter.adcourier.com/T25kcmVqLlphdGxvdWthbC44ODg2MC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
  • 2026-02-12T07:19:33Z
Data Engineer
  • Tokyo,
  • remote
  • Permanent
  • 9.0M - 12.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>A global technology company specializing in advanced data analytics and software solutions is expanding its delivery team in Tokyo to support large-scale data transformation initiatives.</p><p><strong> </strong></p><p><strong>The Role</strong></p><p>You will join a delivery-focused team responsible for building and maintaining modern data pipelines in cloud-based environments. Working with architects and engineering partners, you will help translate complex data requirements into stable, production-ready systems. This is a practical role with end-to-end responsibility, including development, deployment, and ongoing optimization.</p><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Fluent / native-level Japanese and business-level English are mandatory.</li><li>Hands-on experience in data engineering or software implementation roles.</li><li>Proficiency in at least one of the following: Scala, Java, Python, or similar data engineering languages.</li><li>Experience building and deploying production-level data processing systems.</li><li>Strong communication skills and the ability to explain technical concepts to non-technical stakeholders.</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Work on real-world, production-grade data systems with high impact.</li><li>Join a highly collaborative, international engineering team.</li><li>Gain exposure to modern big data and cloud technologies.</li><li>High ownership role with strong learning and growth opportunities.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>9 -12 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013380628</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/TGluaC5EYW5nLjA1MTU1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-02-09T08:21:06Z
Infrastructure Engineer
  • Tokyo,
  • remote
  • Contract
  • 7.0M - 10.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>A regional organization operating in the B2B sector is seeking a Helpdesk Support professional to join its IT team supporting operations across Japan and the broader APAC region. The team ensures smooth IT operations, infrastructure reliability, and support for local and regional stakeholders.</p><p> </p><p><strong>The Role</strong></p><ul><li>This role provides Level 1 and Level 2 IT support, helping maintain and improve IT systems across the region. You will assist end-users, troubleshoot technical issues, and work closely with colleagues and vendors to ensure reliable IT operations.</li><li>Reporting to the IT Manager, you will contribute to IT projects, support system improvements, and help implement new solutions for the organization.</li></ul><p>Main Responsibilities</p><ul><li>Act as the first point of contact for IT incidents; log, clarify, and escalate issues as needed.</li><li>Troubleshoot technical problems and coordinate with external vendors or offsite IT teams.</li><li>Support end-user hardware and software, including desktops, laptops, tablets, mobile devices, and communication tools.</li><li>Assist with setup, configuration, upgrades, and maintenance of IT systems.</li><li>Maintain and track IT assets, including procurement and disposal.</li><li>Provide support for video conferencing, IP phones, and other communication tools.</li><li>Assist with basic network setup and troubleshooting, including rack-and-stack tasks as required.</li></ul><p> </p><p><strong>Your Skills </strong></p><ul><li>Fluent in Japanese and business-level English.</li><li>Experience in IT support, helpdesk, or desktop support (L1/L2).</li><li>Familiarity with end-user hardware and software systems.</li><li>Comfortable working with regional teams and external vendors.</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Join a supportive and collaborative work environment with a positive company culture.</li><li>Collaborate with regional and international teams across APAC, gaining valuable cross-border experience.</li><li>Benefit from a flat management structure, encouraging open communication, autonomy, and faster decision-making.</li><li>Receive a competitive salary, up to 10 million JPY, with opportunities for career growth and professional development.</li><li>Be part of a stable organization that values work-life balance and long-term employee satisfaction.</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>7 - 10 million yen </p><p><strong> </strong></p><p>Reference Number: 06940-0013343412</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a></span></em><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><hr /><p><em>「応募」をクリックすることにより、お客様はロバート・ハーフ(以下、当社)のプライバシー通知(</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a></span></em><em>)に同意したものとみなされます。</em> <em>応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。</em></p><img src="https://counter.adcourier.com/ZXJpa2EueWFtYWRhLjE1ODYyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2025-11-28T06:33:41Z
Full stack Engineer
  • Setagaya,
  • remote
  • Contract
  • 8.2M - 8.5M JPY / Yearly
  • <p><strong>Responsibilities</strong><br /> Leverage your technical expertise to architect, develop, and deliver scalable, secure cybersecurity solutions and drive improvements on enterprise-level platforms for The Group.</p><p><strong>Required Skills</strong></p><ul><li>Bachelor's degree in Computer Science, Engineering, or a related discipline</li><li>At least 5 years of professional software engineering experience in medium-to-large enterprise settings</li><li>Demonstrated expertise in .NET Core/.NET application development using C#</li><li>Strong ASP.NET Core proficiency</li><li>Thorough understanding of object-oriented programming, design patterns, and clean architectural principles</li><li>End-to-end SDLC experience: requirements analysis, solution design, building, testing, delivery, and maintenance</li><li>Full-stack development capabilities:<ul><li>Frontend: TypeScript, React, Next.js</li><li>Backend API development<ul><li>Advanced Python for backend services, automation, tooling</li><li>Extensive cloud infrastructure knowledge: Azure (preferred), AWS, and/or GCP</li><li>Design of secure cloud architectures across development and production (identity, networking, access control)</li><li>Familiarity with unit test frameworks such as xUnit, NUnit, MSTest</li><li>Experience with web services and APIs (RESTful, SOAP)</li><li>Working with relational (Azure SQL/MS SQL) and NoSQL (e.g., Cosmos DB) databases</li><li>Proficient in SQL and using ORM tools (Entity Framework Core, Dapper)</li><li>Ability for deep analysis, troubleshooting, performance optimization, and debugging in .NET (C#) and JavaScript/TypeScript</li><li>Strong skills in technical documentation and ability to communicate complex technical matters clearly</li><li>Self-motivated, possesses a sense of ownership, and collaborates effectively</li><li>Skilled in multi-tasking, prioritizing, adapting to change, and meeting deadlines</li><li>Deep interest in cybersecurity and commitment to ongoing learning</li></ul></li></ul></li></ul><p>Reference no.: 06940-0013365576</p><img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjQ1MzU3LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-02-06T05:53:52Z
Full Stack Engineer
  • Tokyo,
  • remote
  • Permanent
  • 8.0M - 12.0M JPY / Yearly
  • <p style="display: inline !important;"><strong>Company Profile</strong></p><p>Global fintech provider delivering algorithmic risk management solutions to Japan's leading financial institutions through SaaS B2B platform.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Design and implement infrastructure solutions (on-premise/cloud) for banking clients on projects spanning 6 months to 2 years</li><li>Lead technical discovery sessions with risk managers and engineering teams at major Japanese financial institutions</li><li>Participate in pre-sales activities and product demonstrations alongside the Head of Sales</li><li>Provide production support and troubleshooting for live client environments</li><li>Collaborate with global development teams while serving as technical anchor for Japan market</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Native-level Japanese (essential for domestic financial institution communication) and conversational English (for global team collaboration)</li><li>Strong programming skills in Java and Python with packaged software implementation experience</li><li>Infrastructure sizing and architecture planning capabilities (servers/cloud deployments)</li><li>Client-facing technical consultation experience</li><li>Valid work authorization in Japan (citizenship, PR or appropriate visa)</li><li>Bonus: Financial services background, risk management systems experience or work at bank IT subsidiaries (SMBC tech, Mizuho tech, etc.)</li></ul><p> </p><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Work directly with Japan's blue-chip banks on sophisticated risk management implementations</li><li>Highly flexible work style: only 6-8 days in office per month in a small, collaborative 3-4 person Tokyo team</li><li>Gain exposure to pre-sales and business development, expanding beyond pure technical work</li><li>Competitive package up to ¥12M annually with stable backing from global organization</li><li>Shape cutting-edge algorithmic financial products used for investment risk management across the industry</li></ul><p><br /> Apply Confidentially <br /> Contact with your resume. All inquiries handled with complete confidentiality.</p><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>8 - 12 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013355067</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/S2hhbmcuTGUuOTA4MjIuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
  • 2025-12-24T03:27:29Z
Back End Engineer
  • Tokyo,
  • remote
  • Permanent
  • 8.0M - 12.0M JPY / Yearly
  • <p>Build Japan's Payment Future with ML &amp; Functional Programming<br /><br /><strong>Company Profile</strong><br />A rapidly growing fintech company transforming digital commerce in Japan is seeking a Product Engineer. The platform processes millions of transactions using proprietary machine learning models to enable seamless online shopping experiences. Backed by major global payment companies and leading financial institutions, the organization combines innovative technology with enterprise stability. The engineering team represents 40+ nationalities working in English, maintaining a casual, collaborative culture at their central Tokyo office.<br /><br /><strong>The Role</strong></p><ul><li>Architect and scale payment platform components while maintaining security, resilience, and maintainability standards for high-volume transaction processing</li><li>Collaborate directly with product teams to translate business objectives into technical solutions, communicating design tradeoffs clearly across engineering and product stakeholders</li><li>Work cross-functionally in feature teams to deliver services that directly impact user acquisition and conversion rates</li><li>Participate in systematic code reviews and maintain testing practices that ensure production-grade quality for mission-critical payment infrastructure</li><li>Stay current with industry patterns and suggest performance improvements based on data-driven insights from real-world payment flows</li><li>Navigate ambiguity with sound judgment while defining deliverables and maintaining urgency for business-critical releases</li></ul><p><br /><strong>Your Skills</strong><br />Essential Requirements:</p><ul><li>Proficiency in Scala (or strong in functional programming like Rust, Haskell, C++) with curiosity about functional programming paradigms</li><li>Strong grasp of software architecture, design patterns, and how they align with distributed service structures</li><li>Experience writing clean, maintainable code with systematic debugging approaches and automated testing mindset</li><li>Understanding of security implications across distributed systems and payment infrastructure</li><li>Comfortable reading unfamiliar codebases and making intelligent inferences about broader system context</li><li>Genuine interest in how engineering strategy connects to product development and business growth</li></ul><p>Bonus Experience (Not Required but Valued):</p><ul><li>Hands-on experience with Scala, Cassandra, Kafka, PostgreSQL, AWS (Fargate/Terraform), or functional programming libraries (cats, cats-effect)</li><li>Background in microservices architecture, event sourcing, CQRS patterns, or REST API design</li><li>Previous work on payment platforms, distributed systems, or fintech products</li><li>Understanding of cross-team dependencies and ability to envision technical roadmaps</li></ul><p><br /><strong>Key Highlights of the Role</strong></p><ul><li>Solve genuine technical challenges at scale. Building payment infrastructure that underwrites real-time transactions using proprietary ML models for major e-commerce platforms</li><li>Work with a modern functional programming stack (Scala, cats-effect, tagless final) alongside distributed systems technologies like Kafka, Cassandra, and event sourcing architectures</li><li>Join a truly international engineering team where English is the working language and colleagues represent 40+ nationalities - rare opportunity for Tokyo tech roles</li><li>Shape technology evolution in a well-funded organization transitioning from startup agility to enterprise scale</li><li>Enjoy genuine work-life balance with full flextime (no core hours), up to 3 days remote per week and generous paid time off (20+ days from first year)</li><li>Competitive compensation package with comprehensive retirement programs and premium central Tokyo office access</li></ul><img src="https://counter.adcourier.com/S2hhbmcuTGUuMjQzMzYuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
  • 2026-01-05T08:31:49Z
Head of Japan Solutions Engineering [AI Software]
  • Tokyo,
  • remote
  • Permanent
  • 20.0M - 25.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>One of the fastest-growing companies in the AI software space, used by consumers and the largest enterprises alike. Japan represents one of their highest-performing markets globally (having overachieved its quota by 150% in the last few quarters) and is now recruiting for a key role to lead the Japan Solutions Engineering team.</p><p> </p><p><strong>The Role</strong></p><ul><li>Help define the foundations of the Solutions Engineering function across Japan, managing a team of 6 Solution Engineers.</li><li>Serve as trusted technical advisors to customers and prospects, connecting product capabilities to business outcomes.</li><li>Build demos, proof-of-concepts, and tooling that demonstrate value at scale.</li><li>Address advanced technical and product inquiries, including RFPs and security questionnaires.</li><li>Capture customer feedback to help shape product roadmap and improve how the platform is showcased.</li><li>Join at a pivotal moment with massive greenfield opportunity as the company scales in Japan and the APAC region.</li></ul><p> </p><p><strong>Your Skills </strong></p><ul><li>3+ years of experience managing, mentoring, and inspiring Solutions Engineers, Sales Engineers, or Solutions Architects.</li><li>Demonstrated success partnering with sales leadership and other cross-functional teams</li><li>Demonstrable experience in the SaaS-domain, preferably with some exposure to AI applications</li><li>Ability to write basic scripts using modern APIs.</li><li>High adaptability and comfort navigating fast-paced, dynamic organizational change</li><li>Native-level Japanese and business-level English (written and spoken).</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Shape a category-defining product used by millions, trusted by iconic global brands.</li><li>High influence role with direct impact on product roadmap, messaging, and customer success outcomes.</li><li>Recognized as one of the most innovative companies in the world, with a vibrant user community and passionate 'fan base'!</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>20 - 25 million yen</p><p> </p><p><strong> </strong></p><p>Reference Number: 06940-0013342909</p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a></span></em><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><hr /><p><em>「応募」をクリックすることにより、お客様はロバート・ハーフ(以下、当社)のプライバシー通知(</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a></span></em><em>)に同意したものとみなされます。</em> <em>応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。</em></p><img src="https://counter.adcourier.com/b3NrYXIudGFrZW5ha2EuNTA2NDIuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
  • 2025-12-04T06:23:49Z
Back End Engineer
  • Tokyo,
  • remote
  • Permanent
  • 8.0M - 11.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>A post-IPO tech company in the hospitality industry</p><p> </p><p><strong>The Role</strong></p><ul><li>Lead migration to Service-Oriented Architecture-define domain boundaries, design APIs, select tech stack</li><li>Own full software lifecycle-launch strategies, zero-downtime deployments, observability implementation</li><li>Translate vague product requirements into technical specs, identifying implicit constraints</li><li>Design database schemas for performance, scale, and consistency in distributed payments/bookings</li></ul><p><strong>Your Skills </strong></p><ul><li>Proficiency in statically typed languages (Go, Kotlin, Scala, Rust, C#) with strong async/concurrent programming skills</li><li>Experience building SOA services and refactoring legacy monoliths</li><li>Hands-on CI/CD and zero-downtime deployment experience</li><li>Knowledge of scalable databases (Cassandra, AWS Aurora)</li><li>Expertise with observability tools (Datadog, Grafana, Prometheus)</li></ul><p> </p><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>8 - 11 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013343690</p><p><br /> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a></span></em><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><hr /><p><em>「応募」をクリックすることにより、お客様はロバート・ハーフ(以下、当社)のプライバシー通知(</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a></span></em><em>)に同意したものとみなされます。</em> <em>応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。</em></p><img src="https://counter.adcourier.com/TmFuY3kuWXVhbi43MzM0OS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
  • 2025-12-01T05:58:25Z
AI Engineer
  • Tokyo,
  • remote
  • Contract
  • 10.3M - 10.3M JPY / Yearly
  • <p><strong>Responsibilities</strong></p><ul><li>Develop and maintain AI/LLM-based systems for the insurance industry.</li><li>Participate in the full software lifecycle from requirements definition with business teams, through design, development, production release, and continuous operational improvement.</li><li>Sample projects include automation agents utilizing LLMs (document drafting assistants, automated insurance claim reception, inquiry system with RAG implementation), apps for rental car arrangement for accident victims, insurance claim communication/payment applications, and tools for agents.</li><li>Responsible for continual system optimization and support after release.</li><li>Operate as part of an in-house agile development team, overseeing projects from planning to production operation.</li></ul><p><strong>Must-Have Skills</strong></p><ul><li>Hands-on professional experience developing web applications (ability to build an app from scratch).</li><li>Experience developing and operating AI/ML-based systems in production environments.</li><li>Practical experience in AI model validation, evaluation, and lifecycle management (ability to analyze and respond when model accuracy declines in production).</li><li>Development experience in one or more of: TypeScript, Go, Java, Kotlin, or Rust.</li><li>Professional experience in front-end development using React, Next.js, or Remix.</li><li>Business-level Japanese proficiency (comfortable participating in requirements discussions with business stakeholders).</li></ul><p><strong>Nice-to-Have Skills</strong></p><ul><li>Practical experience in machine learning (data processing, model training-not just inference).</li><li>MLOps experience (model monitoring, retraining pipelines, and deployment automation).</li><li>Cloud-native development experience in AWS or GCP.</li><li>Experience building LLM-based applications (RAG, agent frameworks, etc.).</li><li>Experience with Docker and Kubernetes.</li><li>Experience with infrastructure as code (IaC) tools.</li></ul><p> </p><p>JO: 06940-0013365578</p><p>Location: Tokyo</p><p>Annual Salary: JPY 10,260,000</p><img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjcyNTQ1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-02-05T09:07:07Z
PKI Engineer
  • Tokyo,
  • remote
  • Contract
  • 12.0M - 12.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>A mobility‑technology subsidiary of a major automotive group advancing software‑defined vehicles, autonomous‑driving systems, and smart‑city innovation.</p><p> </p><p><strong>The Role</strong></p><ul><li>The PKI Engineer will play a critical role in designing and operating secure systems that support vehicle software, cloud services, and large‑scale mobility platforms.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Strong experience designing or operating PKI systems in enterprise or cloud environments.</li><li>Knowledge of X.509 certificates, TLS, certificate chains, OCSP, CRL, and key‑management best practices.</li><li>Hands‑on experience with cryptographic tools, CA systems, or CLM platforms (e.g., HashiCorp Vault, AWS ACM, Azure Key Vault, Venafi).</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>1 million yen monthly</p><p><strong> </strong></p><p>Reference Number: 06940-0013371363</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/VG9tb2UuTW91bnRlZXIuOTYxOTMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
  • 2026-02-18T03:03:39Z
Back End Engineer
  • Tokyo,
  • remote
  • Permanent
  • 12.0M - 17.0M JPY / Yearly
  • <p><strong>Build Critical Trading Infrastructure | Modern C++ | Tokyo Hybrid</strong><br /><br /><strong>Company Profile</strong><br />A leading global investment bank is expanding their market connectivity platform across Asia-Pacific. The Equities technology team focuses on building infrastructure that connects institutional clients to global markets handling the critical middleware layer between sophisticated trading firms and exchanges. This is a stable, established financial institution with Western work culture and recognition practices.<br /><br /><strong>The Role</strong><br />* You'll architect and develop market connectivity infrastructure using modern C++17/C++20, working on greenfield projects rather than maintaining legacy systems<br />* Drive the technical migration from older Java-based platforms to cutting-edge C++ architecture, making architectural decisions that impact the entire APAC region<br />* Own full delivery cycles. From analyzing requirements with business stakeholders through design, development, testing, and production support<br />* Solve complex challenges in FIX protocol implementation, TCP/IP networking, and multi-threaded systems that serve multiple institutional clients<br />* Work within a lean global team in APAC where your contributions have direct visibility to senior leadership<br />* Participate in code reviews, mentor team members, and shape platform architecture for the APAC expansion initiative<br />* Provide technical estimates and act as the go-to technical resource for business requirements and delivery planning<br /><br /><strong>Your Skills</strong><br />Essential Requirements:<br />* Expertise in modern C++ development (C++17 minimum, C++20 strongly preferred) with 6+ years of professional experience<br />* Deep knowledge of TCP/IP networking, socket programming, and multi-threading in production environments<br />* Strong foundation in data structures, algorithms, and the C++ standard library applied to performance-sensitive systems<br />* Problem-solving ability that focuses on finding elegant solutions rather than memorizing syntax<br />* Experience with Linux/Unix systems and understanding of network protocols at a low level<br />* English proficiency for global team collaboration (Japanese language skills are not required)<br />* Valid work authorization to work in Japan (No visa sponsorship)<br /><br /><strong>Welcome Experience (Finance background is NOT required):</strong><br />* Hands-on experience with FIX protocol or financial market connectivity platforms<br />* Background in gaming backend development (multiplayer networking, real-time systems)<br />* Telecom or infrastructure engineering with high-performance networking focus<br />* Previous work in low-latency optimization (though not nanosecond-level HFT)<br />* Experience collaborating in global team structures across multiple regions<br /><br /><strong>Key Highlights of the Role</strong><br />* Work on greenfield C++ projects with modern standards. You'll be building new systems, not debugging 20-year-old codebases<br />* Join at the ground floor of APAC regional expansion, giving you high impact and visibility in a critical infrastructure initiative<br />* Benefit from hybrid flexibility (3 days office / 2 days remote after onboarding) in Tokyo<br />* Small team size means every contribution matters. You'll directly influence platform direction serving multiple institutional clients<br />* Open to diverse technical backgrounds: gaming engineers, telecom developers, and distributed systems specialists are actively encouraged to apply<br />* Enjoy recognition and career progression typically associated with Western financial institutions while working in Tokyo<br /><br /><strong>Apply Confidentially</strong><br />Send your CV with subject line "C++ Connectivity Engineer - Tokyo"<br />All applications handled with complete confidentiality. Whether actively looking or simply exploring, your privacy is respected throughout the process.</p><p><strong>Location <br /></strong>Tokyo</p><p><strong>Salary<br /></strong>7 - 10 million yen</p><p><strong> </strong></p><p>Reference Number: 67040-0013364709</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/S2hhbmcuTGUuMDIwNTYuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
  • 2026-01-16T00:11:36Z
Backend Engineer
  • Tokyo,
  • remote
  • Contract
  • 9.4M - 9.8M JPY / Yearly
  • <p><span style="text-decoration: underline;">Job Description: </span></p><p>[Department Overview]</p><p>As Japan's largest internet shopping mall service is used by over tens of millions of consumers, we strive to improve through a cycle of hypothesis → verification → analysis → systemization.</p><p>In addition, in order to provide continuous and stable services under high load conditions during sales and other large events, we take into account various system and service characteristics and optimize the web backend, providing an opportunity to constantly test your engineering skills.</p><p>[Position Outline]</p><p>The E-Commerce Marketplace Development Department is looking for a senior backend development engineer for the website. Specifically, you will be responsible for the design, development, and operation of the web system backend, as well as the engineering team and project management, including the following:</p><p>[Responsibilities]</p><p>* Understand the priorities of business requirements and deliver high-quality services within a tight schedule.</p><p>* Lead projects and resolve technical issues for assigned services, or design, develop, test, and release new or existing features. * Design, develop, test, and release projects.</p><p>* Operational support (responding to inquiries from consumers and merchants, research, operational tasks, etc.)</p><p> </p><p><span style="text-decoration: underline;">Required Skills:</span></p><p>* 5+ years of tech lead experience (architecture design of high-load web systems, technical decision-making, etc.)</p><p>* Experience leading the design of the entire system with consideration for scalability and maintainability, and strategically leading the future vision of the service (expansion of user base, integration of new features)</p><p>*Experience in service monitoring and troubleshooting/reporting in a production environment</p><p>*5+ years of experience developing Java/Spring Boot web applications</p><p>*5+ years of experience designing and developing REST APIs, and familiarity with JUnit testing and code reviews</p><p>*Experience with relational databases (Oracle or MySQL)</p><p>*Experience using Tomcat or Weblogic</p><p>*Experience with Git, Linux, and Gradle</p><p>*Experience with CI/CD using Jenkins or other tools</p><p>*Knowledge of container architectures, including Docker and Kubernetes, and experience using them in system development</p><p>*Communication skills in English</p><p> </p><p><span style="text-decoration: underline;">Desired skills: </span></p><p>*Experience conducting performance/load/stress tests, etc.</p><p>*Experience using Redis, Kafka, ElasticSearch, Grafana, and Kibana</p><p>*3+ years of experience developing PHP applications using one of these frameworks</p><p>*Experience building environments using Kubernetes</p><p>*Kubernetes certification (CKA or CKAD)</p><p> </p><p>Reference No.: 06940-0013365572</p><img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjA1MzA5LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-02-06T05:56:55Z
Backend Engineer
  • Tokyo,
  • remote
  • Permanent
  • 9.0M - 12.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>Fast-growing data intelligence startup developing Japan's leading next-generation data catalog platform. In just 5 years, the company has been adopted by numerous major enterprises, primarily TSE Prime Market listed companies, and has become the Gartner-recognized #1 domestic vendor in the rapidly evolving metadata management field.</p><p> </p><p><strong>The Role</strong></p><ul><li>Contribute to both frontend and backend development of the flagship Data Intelligence Cloud product.</li><li>Maintain and continuously improve product localization quality for Japanese enterprise customers.</li><li>Work across the technology stack (React, Remix, Tailwind CSS, Golang, AWS) to develop and improve features according to requirements.</li><li>Produce clear technical documentation for other stakeholders (engineers, PMs, etc.).</li><li>Actively contribute to discussions within the team and propose ideas to improve architecture, design, and development processes.</li></ul><p> </p><p><strong>Your Skills </strong></p><ul><li>5+ years of backend development experience (Golang, C++, Python, or Java highly preferred).</li><li>Fluent in Japanese proficiency (reading, writing, speaking) and business level in English.</li><li>Experience in API design and development.</li><li>Practical experience in data management, data engineering, or data analytics (e.g., BigQuery, Snowflake, ETL pipeline development) is beneficial.</li><li>Experience working in B2B SaaS businesses or startup environments is ideal.</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Join Japan's fastest-growing and Gartner-recognized market leader in data intelligence.</li><li>Serve as the critical bridge between cutting-edge technology and Japanese enterprise user experience.</li><li>Work with a modern tech stack (React, Golang, AWS) in a startup environment with enterprise clients.</li><li>Directly impact how Japan's largest companies discover, govern, and manage their data assets.</li><li>Be part of a mission-driven team shaping the future of enterprise data management in Japan.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>9 - 12 million yen</p><p> </p><p><strong> </strong></p><p>Reference Number: 06940-0013346231</p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a></span></em><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><hr /><p><em>「応募」をクリックすることにより、お客様はロバート・ハーフ(以下、当社)のプライバシー通知(</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a></span></em><em>)に同意したものとみなされます。</em> <em>応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。</em></p><img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjAwNjAxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2025-12-04T06:41:06Z
Fullstack Engineer
  • Tokyo,
  • remote
  • Contract
  • 9.3M - 9.3M JPY / Yearly
  • <p><strong>Responsibilities</strong></p><ul><li>Develop web applications, including UI, data processing, and integration with external services</li><li>Build applications utilizing 3D models</li><li>Assist in creating development documentation and technical specifications</li><li>Implement simple workflow and efficiency improvements as needed</li><li>Support general administrative tasks related to team operations</li></ul><p><strong>Remarks</strong> </p><ul><li>The main focus will be on applications that leverage architectural design data (such as BIM data), but prior experience or knowledge in architectural data or the industry is not required. Candidates with standard coding skills and understanding of both front-end and back-end development will be able to succeed. From time to time, you may be asked to help with general process improvements, and a positive attitude towards these tasks is appreciated. Ability to establish collaborative and professional relationships within the team is essential.</li></ul><p><strong>Qualifications</strong></p><p><em>Must-Have:</em></p><ul><li>Solid programming skills relevant to both front-end and back-end development</li><li>Strong communication skills for smooth teamwork</li></ul><p><em>Nice to Have:</em></p><ul><li>Web application development experience (front-end and/or back-end)</li><li>Experience developing with databases</li><li>Knowledge of architectural design data, especially BIM</li></ul><p> </p><p>JO:06940-0013365568</p><p>Location: Tokyo</p><p>Annual Salary: ¥9,256,000</p><img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjkwNDk0LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-02-05T08:51:12Z
Network Engineer
  • Tokyo,
  • remote
  • Contract
  • 7.2M - 7.2M JPY / Yearly
  • <p data-start="252" data-end="507"><strong>Client Profile</strong></p><p data-start="252" data-end="507">A Japanese IT solutions provider</p><p data-start="252" data-end="507"><strong>The Role</strong></p><p data-start="252" data-end="507">A Japanese IT solutions provider is seeking a Network Engineer to lead major network renewal projects for social infrastructure clients. You will drive software and hardware upgrades, coordinate stakeholders, and support data center network modernization.</p><ul><li>Lead Cisco-based network upgrade and hardware refresh projects</li><li>Prepare design documents, test plans, and migration procedures</li><li>Perform verification testing and support on-site operations</li><li>Communicate with clients, vendors, and internal teams</li><li>Participate in regular client meetings and present project updates</li></ul><p data-start="862" data-end="878"><strong>Your Skill</strong></p><ul><li>Experience in Cisco network design and build</li><li>Experience with Cisco ACI is a strong plus</li><li>Strong communication and coordination skills</li></ul><p><strong>Location </strong><br /> <br />Tokyo</p><p><strong>Salary</strong></p><p>600,000 yen / Month</p><p> </p><p>Reference Number: 06940-0013333925</p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a></span></em><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><hr /><p><em>「応募」をクリックすることにより、お客様はロバート・ハーフ(以下、当社)のプライバシー通知(</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a></span></em><em>)に同意したものとみなされます。</em> <em>応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。</em></p><img src="https://counter.adcourier.com/SGluc29uLkxldW5nLjc4OTczLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2025-12-09T06:25:51Z
Fullstack Engineer
  • Fukuoka,
  • remote
  • Contract
  • 11.2M - 11.2M JPY / Yearly
  • <p><strong>Company Profile</strong></p><ul><li>A growing technology company with a strong presence in Fukuoka. The organization offers a popular social platform for married individuals, developed by an experienced engineering team with backgrounds in leading tech firms and utilizing the latest AI technology. The app currently has over 400,000 cumulative members and is known for its intuitive UI/UX and vibrant user community.</li></ul><p><strong>The Role</strong></p><ul><li>Design, develop, and maintain new features and improvements for a large-scale web application</li><li>Collaborate closely with customer service and design teams to optimize user experience</li><li>Work in an autonomous engineering environment focused on rapid iteration and technical excellence</li></ul><p><strong>Your Skills</strong></p><ul><li>Strong knowledge of both frontend and backend web development</li><li>Proficiency with modern technologies such as TypeScript, JavaScript, Python, React, Node.js, DynamoDB, SQL</li><li>Familiarity with cloud infrastructure and tools: AWS, Git, GitHub, Amplify, Jest, GraphQL, Lambda, S3, etc.</li></ul><p><strong>Key Highlights of the Role</strong></p><ul><li>Join a compact engineering team (&lt;10 people) with direct access to leadership</li><li>Impact a product supporting over 400,000 users, with 1,000+ new sign-ups daily and highly active user engagement</li><li>Enjoy flexible work arrangements, autonomy in tool selection, and opportunities to contribute across the full stack</li><li>Regular career development discussions and participation in management by engineers</li><li>Tech stack maintained within one year of latest releases, and English communication opportunities provided</li></ul><p><strong>Location</strong><br />Fukuoka</p><p><strong>Salary</strong><br />11,232,000 yen annual</p><p><strong>Reference Number:</strong><br />06940-0013372175</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjY4Mjc3LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-02-20T04:03:20Z
Cloud Program & Engagement Lead [FSI software vendor]
  • Tokyo,
  • remote
  • Permanent
  • 22.0M - 26.0M JPY / Yearly
  • <p><strong>Company Profile</strong><br /> <br /> Our client is a global market leader in enterprise software, delivering mission-critical solutions to some of the world's largest financial services and insurance organisations. As cloud adoption accelerates across Japan, the company is strengthening its customer-facing program leadership capability to ensure complex transformation programs are delivered successfully and profitably.<br /> <br /> This is a strategic, high-visibility role sitting at the intersection of delivery, customer engagement, and commercial performance.<br /> <br /> <br /> <br /> <strong>The Role</strong><br /> </p><ul><li>You will lead end-to-end cloud transformation programs across assigned enterprise accounts. Acting as a trusted advisor to customers and system integrator partners, you will ensure delivery excellence while aligning programs to clear business outcomes.</li><li>This role combines program leadership, executive stakeholder engagement, financial oversight, and pre-sales support.</li></ul><p><br /> <br /> Cloud Program Leadership<br /> </p><ul><li>Lead planning and execution of enterprise cloud transformation programs</li><li>Coordinate key milestones, including performance testing, cutovers, and transition to customer success</li><li>Monitor progress, proactively identify risks, and drive mitigation strategies</li><li>Ensure program outcomes align with agreed business objectives and success criteria</li><li>Oversee complex, multi-stakeholder delivery environments</li></ul><p><br /> Customer Relationship &amp; Executive Engagement<br /> </p><ul><li>Serve as a trusted delivery partner to senior customer stakeholders and System Integrator (SI) partners</li><li>Provide strategic guidance on platform adoption and optimisation</li><li>Advocate for customer priorities internally, collaborating with Product, Cloud Operations, and Support</li><li>Support governance forums, including steering committees and executive reviews</li></ul><p><br /> Sales &amp; Pre-Sales Support<br /> </p><ul><li>Contribute to cloud transformation proposals and services estimates</li><li>Engage early in customer discussions to shape delivery approaches and engagement models</li><li>Own small to mid-sized opportunity proposals and support development of Statements of Work (SOWs)</li><li>Identify additional revenue opportunities through strategic account engagement</li></ul><p><br /> Program Financial Management<br /> </p><ul><li>Track program budgets and forecast delivery costs</li><li>Manage margin, staffing models, and scope alignment to ensure profitability</li><li>Support account-level services revenue and profitability targets</li><li>Ensure seamless transition from implementation to business-as-usual operations and customer success</li></ul><p><br /> <br /> <strong>Your Skills </strong><br /> </p><ul><li>Extensive experience in enterprise software delivery, consulting, or transformation programs</li><li>Exposure to highly regulated industries such as Banking, Insurance or Healthcare</li><li>Proven experience in customer-facing leadership roles</li><li>Hands-on experience leading large-scale cloud or SaaS implementations</li><li>Experience coordinating cross-functional delivery teams, partners, and client stakeholders</li><li>Exposure to commercial aspects including proposals, SOWs, and pricing</li><li>Japanese (fluent level); English (Business level)</li></ul><p><br /> <br /> <strong>Key Highlights of the Role </strong><br /> </p><ul><li>Lead high-impact, enterprise cloud transformation programs</li><li>Significant exposure to C-level customer stakeholders</li><li>Strategic role combining delivery excellence and commercial responsibility</li><li>Be part of the #1 firm in its industry</li></ul><p><br /> <br /> <strong>Location </strong><br /> <br /> Tokyo<br /> <br /> <br /> <br /> <strong>Salary</strong><br /> <br /> 22 - 26 million yen<br /> <br /> <br /> <br /> Reference Number: 06940-0013386613<br /> <br /> <br /> <br /> <br /> <br /> <em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em><br /> </p><img src="https://counter.adcourier.com/b3NrYXIudGFrZW5ha2EuNjg5OTcuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
  • 2026-02-18T08:37:41Z
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