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37 results for Data Engineer in Tokyo, Tōkyō

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
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
Back End Engineer
  • Tokyo,
  • remote
  • Permanent
  • 9.0M - 15.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>Global cybersecurity leader specializing in Endpoint Detection &amp; Response (EDR) solutions is expanding its Tokyo engineering team. The company protects enterprise customers worldwide by analyzing massive volumes of threat data from millions of endpoints in real-time.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Join the core engineering team building a completely next-generation EDR platform that has secured board-level funding and is moving into production phase</li><li>Design and implement backend services in Rust that process data from 6 million sensors streaming 1,000 messages per minute with sub-second response times</li><li>Build data ingestion pipelines and microservices that maintain reliability under extreme throughput while optimizing cloud infrastructure costs</li><li>Architect scalable distributed systems using containerization, cloud-native technologies and streaming data platforms</li><li>Develop APIs and integrations connecting security tools across enterprise IT environments</li><li>Collaborate with an international engineering team (English-speaking) to implement AI-driven threat detection capabilities</li><li>Work on genuinely complex technical challenges where system reliability isn't optional. It's mission-critical!</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><p>Essential Requirements:</p><ul><li>Production experience in Rust required (or exceptionally strong C++/Go/Java with immediate willingness to transition to Rust)</li><li>Proven track record building high-scale distributed systems handling millions of users or data points, not just thousands</li><li>Deep understanding of system reliability trade-offs: performance versus cost, speed versus fault tolerance</li><li>Hands-on experience with cloud platforms (AWS/GCP/Azure), containerization, and microservice architecture patterns</li><li>Solid foundation working with both SQL and NoSQL databases; streaming data systems experience is a bonus</li><li>Currently based in Japan or hold valid work authorization to work in Tokyo</li><li>English language proficiency for international team collaboration</li></ul><p>Welcome Experience:</p><ul><li>Background in cybersecurity, SIEM systems, or observability platforms</li><li>Experience with Kafka, Flink, Redpanda, or other data streaming technologies</li><li>Familiarity with ELK stack, time-series databases, or real-time analytics frameworks</li><li>Previous work optimizing cloud infrastructure costs at scale</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Join at the perfect timing as team has grown to 15+ engineers and is establishing technical leadership layers, creating fast-track paths to Team Lead positions</li><li>Work on greenfield architecture where your technical decisions will shape the product for years to come</li><li>Solve genuinely hard problems: maintain performance while processing petabyte-scale threat data across distributed global infrastructure</li><li>Join a truly international team where English is the primary language and remote collaboration is built into the workflow</li><li>Modern tech stack from day one-no legacy monoliths, just cloud-native microservices and streaming pipelines</li><li>Competitive compensation package reflecting the urgency and strategic importance of these hires (budget available up to ¥15M for exceptional candidates)</li><li>Located in Otemachi, Tokyo with convenient access to multiple train and subway lines</li></ul><p> </p><p><strong>Apply Confidentially</strong></p><p>Send your resume with "Rust Engineer - Cybereason" in the subject line. All applications and conversations will be handled with complete discretion. Even if you don't meet every requirement but have strong systems-thinking and Rust capabilities, we encourage you to apply.</p><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>9 - 15 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013358136</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/S2hhbmcuTGUuNjk4MzQuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
  • 2026-01-06T00:28:59Z
AI/ML Engineer
  • Tokyo,
  • remote
  • Contract
  • 8.0M - 8.0M JPY / Yearly
  • <p data-start="45" data-end="288"><strong data-start="45" data-end="66">Position Overview</strong></p><ul><li>The position focuses on designing, developing, and deploying AI and machine learning solutions to optimize team operations.</li></ul><p data-start="290" data-end="316"> </p><p data-start="290" data-end="316"><strong data-start="290" data-end="314">Key Responsibilities</strong></p><ul data-start="317" data-end="760"><li data-start="317" data-end="388"><p data-start="319" data-end="388">Build and implement AI/ML systems to improve operational efficiency</p></li><li data-start="389" data-end="469"><p data-start="391" data-end="469">Develop automation solutions using internal tools and widely used LLM models</p></li><li data-start="470" data-end="565"><p data-start="472" data-end="565">Apply Model Control Protocol (MCP) principles to ensure robust and scalable implementations</p></li><li data-start="566" data-end="655"><p data-start="568" data-end="655">Stay up-to-date with the latest AI tools, frameworks, and trends to enhance workflows</p></li><li data-start="656" data-end="760"><p data-start="658" data-end="760">Collaborate with cross-functional teams to integrate AI-driven optimizations into existing processes</p></li></ul><p> </p><p><strong>Annual Sakary:</strong> 7,999,004 (JPY)</p><p><strong>Location:</strong> Tokyo</p><p><strong>JO:</strong> 06940-0013354332</p><p> </p><img src="https://counter.adcourier.com/VG9tb2UuTW91bnRlZXIuNTk5MDQuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
  • 2026-01-06T00:53:53Z
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
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/Devops Engineer
  • Tokyo,
  • remote
  • Contract
  • 9.7M - 9.7M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>This is one of Japan's largest global technology companies, offering a wide range of services across e‑commerce, fintech, digital content, communications, and AI/data platforms.</p><p> </p><p><strong>The Role</strong></p><ul><li>Design, develop, and maintain backend services and APIs for large-scale applications</li><li>Implement scalable service architecture with reliability, performance, and security in mind</li><li>Build and maintain cloud infrastructure (AWS / GCP) for large-scale systems</li><li>Implement and manage CI/CD pipelines using tools such as Jenkins, GitHub Actions, or GitLab CI</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Strong programming skills in Python, Go, Bash, or similar scripting languages</li><li>Experience building backend systems (API development, microservices, distributed systems)</li><li>Strong knowledge of cloud platforms: AWS, GCP</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Tokyo-based role with collaboration across global engineering teams</li><li>Opportunity to work with advanced cloud, data, and DevOps technologies</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>4,700 yen hourly</p><p><strong> </strong></p><p>Reference Number: 06940-0013365575</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/c2Fvcmkua29kYWthLjU3NDc1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-02-05T01:48:14Z
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
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
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
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
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
VP of Engineering
  • Tokyo,
  • remote
  • Permanent
  • 15.0M - 18.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>A leading Japanese technology platform company specializing in the creator economy and influencer marketing space. The company operates a comprehensive ecosystem that connects content creators, influencers, and brands, facilitating collaborations and powering the rapidly growing creator economy in Japan. With strong market presence and proven technology solutions, the company is positioned for continued expansion and technological innovation.</p><p> </p><p><strong>The Role</strong></p><ul><li>Lead and scale the engineering organization as Head of Engineering, overseeing product development, platform architecture, and technical strategy</li><li>Manage and mentor a growing engineering team (currently 15-20 engineers), fostering a culture of technical excellence, innovation, and collaboration</li><li>Drive the technical roadmap in alignment with business objectives, focusing on platform scalability, performance, and new feature development</li><li>Oversee the full technology stack including web applications, mobile applications, backend infrastructure, and data systems</li><li>Partner closely with the CEO, product, and business teams to translate business requirements into technical solutions</li><li>Establish and improve engineering processes, best practices, and development methodologies to increase team efficiency and product quality</li><li>Lead recruitment efforts to attract top engineering talent and build a world-class engineering organization</li><li>Manage vendor relationships and technical partnerships as needed</li><li>Ensure system reliability, security, and performance across all platforms</li><li>Drive innovation in areas such as creator matching algorithms, analytics, and platform features</li></ul><p> <strong> </strong></p><p><strong>Your Skills </strong></p><p>Required:</p><ul><li>10+ years of software engineering experience with at least 5 years in engineering management or leadership roles</li><li>Proven track record of building and scaling engineering teams (15+ people)</li><li>Strong technical background with hands-on experience in modern web and mobile technologies</li><li>Experience with cloud infrastructure (AWS, GCP, or Azure) and scalable system architecture</li><li>Fluent Japanese (native or business level) is mandatory</li><li>Business-level English for communication with potential international partners and technical documentation</li><li>Strong leadership, communication, and stakeholder management skills</li><li>Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience)</li></ul><p>Preferred:</p><ul><li>Experience in consumer-facing platform or marketplace businesses</li><li>Background in social media, creator economy, influencer marketing, or advertising technology</li><li>Experience with data-driven product development and analytics</li><li>Track record of successfully delivering complex technical projects in fast-paced environments</li><li>Experience building and managing mobile applications (iOS/Android)</li><li>Knowledge of machine learning or recommendation systems</li><li>Startup or high-growth company experience</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Shape the technical vision and strategy of a leading player in Japan's booming creator economy</li><li>Build and lead a high-performing engineering team with significant autonomy and impact</li><li>Work directly with executive leadership to drive company growth and innovation</li><li>Tackle exciting technical challenges at the intersection of social media, e-commerce, and marketplace dynamics</li><li>Be part of a fast-growing company in a dynamic industry with strong market tailwinds</li><li>Competitive compensation package including salary, equity, and benefits</li><li>Flexible work environment with a collaborative, innovation-driven culture</li><li>Office located in central Tokyo with excellent access</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>15 - 18 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013358135</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/c3VlLnRpbmcuNzE3NDEuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
  • 2026-01-05T07:55:50Z
Systems Engineer - Sr. Analyst
  • Tokyo,
  • remote
  • Permanent
  • 8.0M - 8.0M JPY / Yearly
  • <ul><li><p><strong>IT Solution Senior Analyst - Transportation</strong></p><p><strong>About the Role</strong></p><p>Serves as the primary IT contact for business units and external clients, ensuring clear and effective communication.<br />Acts as IT project manager for both new projects and client upgrades, overseeing budget, staffing, and schedules.<br />Works with global teams to implement standard IT solutions, maintain stable system operations, optimize costs, and drive consistency.<br />Supports the adoption of technologies such as robotics in warehouse settings and fosters innovation through data analytics to enhance operational efficiency.</p><p><strong>Responsibilities</strong></p><ul><li>Assess business units and client needs, offering IT solutions to address challenges.</li><li>Collect and act on feedback from internal and external stakeholders to improve services and processes.</li><li>Promote communication and mutual understanding between IT and business divisions.</li><li>Bridge communication among departments and between businesses and clients as IT liaison.</li><li>Secure and manage necessary resources for project delivery.</li><li>Oversee project planning, execution, and monitoring to ensure completion within budget and timelines.</li><li>Select and manage external vendors during implementation and provide ongoing operational support.</li></ul><p><strong>Requirements</strong></p><ul><li>7+ years of IT-related experience.</li><li>5+ years as an IT consultant or project manager.</li><li>Experience in delivering system implementations.</li><li>Fluent in Japanese and capable of business-level English communication.</li><li>Strong background in project management.</li><li>Ability to communicate persuasively with stakeholders at multiple levels.</li><li>Open to challenges with a resilient mindset.</li><li>Highly valued qualities: proactive attitude, adaptability, and flexibility.</li><li>Preference for experience within multinational organizations.</li><li>Experience with ERP, application development, and logistics is a plus.</li><li>Background in supply chain or logistics industry is preferred.</li></ul><br />Reference No.:06940-0013375416</li></ul><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/YWhtYWQucm95YW5pLjc2NjMwLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-02-20T04:22:14Z
SRE Engineer
  • Tokyo,
  • remote
  • Permanent
  • 9.0M - 12.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>Growing B2B SaaS provider delivering cloud-based solutions to enterprise customers is seeking an SRE / Ops Engineer to lead their infrastructure and operations domain.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Lead the entire AWS-based infrastructure from design to operations (VPC, EKS/ECS, RDS, CloudFront, IAM, WAF, etc.) for a production SaaS platform.</li><li>Drive Infrastructure as Code implementation using Terraform/AWS CDK and build CI/CD pipelines (GitHub Actions, Bitbucket Pipelines, CodePipeline).</li><li>Establish SRE practices including log aggregation, monitoring, alerting systems, and incident response frameworks.</li><li>Conduct operations testing of offshore Dev team deliverables to ensure quality from a customer perspective.</li><li>Implement security measures including vulnerability management, IAM/WAF design, and change management processes.</li><li>Collaborate with Customer Success teams on first-line response, issue triage, and log analysis infrastructure.</li><li>Build product metrics infrastructure to automatically collect usage and performance data.</li><li>Reporting directly to leadership with a clear career path to grow into Head of SRE as the team scales.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Production operations experience with AWS (VPC, EKS/ECS, RDS, CloudFront, IAM, WAF, etc.).</li><li>IaC design and operations experience using Terraform/AWS CDK.</li><li>CI/CD pipeline construction experience using GitHub Actions/Bitbucket Pipelines/CodePipeline.</li><li>Container orchestration operations experience with Kubernetes.</li><li>Monitoring, alerting, and log aggregation operations experience (CloudWatch, CloudTrail, OpenSearch, etc.).</li><li>Understanding of security best practices (vulnerability management, patch application, change management).</li><li>Practical Scrum development experience (as Scrum Master or Developer).</li><li>Preferred: Multi-tenant/SOC2/ISO27001 compliance experience, offshore team collaboration in English, Python/shell scripting.</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Own end-to-end infrastructure with full authority from design to operations-rare opportunity to build 0→1 in a growing SaaS environment.</li><li>Direct impact on customer value through operations testing and SRE improvements that balance quality with delivery speed.</li><li>Clear growth path from individual contributor to Head of SRE, with opportunity to launch and scale your own team.</li><li>Work with cutting-edge DevOps practices: Terraform, Kubernetes, SLI/SLO design, modern incident management.</li><li>Full remote work with flexible hours (9:00-18:00 flextime)-results-oriented culture without location or time constraints.</li><li>Global collaboration experience working with offshore development teams.</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 - 12 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013360778</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/V2F0dW55dS5TaXJpcGFpcm9qLjYxNjc2LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-01-09T01:24:05Z
Full-stack Java Engineer
  • Tokyo,
  • remote
  • Contract
  • 9.4M - 9.4M JPY / Yearly
  • <p><strong>Company Profile</strong><br />A leading European-origin global enterprise, renowned for driving digital transformation in the commerce and technology space. With a strong presence in Tokyo, the organization is committed to building scalable, high-performing platforms that streamline complex business operations for both internal and external stakeholders.</p><hr /><p><strong>The Role</strong></p><ul><li>As a Full-stack Java Engineer, you will architect and develop next-generation web application platforms, serving critical functions across business process management and contract management.</li><li>Take ownership of complex and dynamic business workflows, creating robust end-to-end solutions to automate and optimize key activities-including merchant onboarding, information updates, and contract lifecycle management.</li><li>Play an integral role in an agile engineering team, continuously enhancing our platforms to support rapidly evolving business ecosystem and expansion into new domains.</li></ul><hr /><p><strong>Your Skills</strong></p><ul><li>Minimum 3 years of hands-on Java development, with deep expertise in the Spring Framework and RESTful API design (including scalability, security, and maintainability).</li><li>Proven experience in modern frontend development (React/TypeScript/JavaScript), database design and SQL, plus practical skills with Docker/Kubernetes containerization.</li><li>Strong communicator, both in Japanese (fluent) and English (business level), who thrives in a collaborative, cross-functional environment.</li></ul><hr /><p><strong>Key Highlights of the Role</strong></p><ul><li>Drive process standardization and efficiency in one of Asia's most recognizable technology companies.</li><li>Work on mission-critical systems that directly impact the scalability and success of a leading online marketplace in Japan and other core businesses.</li><li>Engage in a culture that values autonomous ownership, continuous learning, and technical innovation-backed by opportunities for career advancement and leadership.</li></ul><hr /><p><strong>Location</strong><br />Tokyo (Osaka optional)</p><hr /><p><strong>Salary</strong><br />9,360,000 yen (annual)</p><hr /><p><strong>Reference Number:</strong> 06940-0013372137</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/c2Fvcmkua29kYWthLjI0OTc4LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-02-19T05:59:09Z
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
Security Engineer
  • Tokyo,
  • remote
  • Contract
  • 7.6M - 7.6M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>A technology‑driven mobility company is seeking a Security Engineer to strengthen enterprise security across identity systems, endpoints, networks, and cloud environments.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Protect identities across Entra ID, Entra Domain Services, and Google Workspace</li><li>Participate in architecture discussions to address risk, compliance, and security concerns</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Hands-on experience in identity, endpoint, and corporate IT security in hybrid on‑prem/cloud environments</li><li>Strong knowledge of cloud platforms (AWS, GCP, Azure) and Kubernetes</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>3,700 yen hourly</p><p><strong> </strong></p><p>Reference Number: 06940-0013363678</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><p><br /> </p><img src="https://counter.adcourier.com/VG9tb2UuTW91bnRlZXIuMDYwMjMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
  • 2026-02-05T02:14:36Z
QA Engineer
  • Tokyo,
  • remote
  • Permanent
  • 9.0M - 11.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>Leading fintech company providing cloud-based financial management solutions for businesses and personal finance applications for individuals across Japan. We're transforming how people and organizations manage their financial operations through innovative technology and agile development practices.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>As our services expand rapidly with new products and features, we need to strengthen our quality assurance capabilities while maintaining development speed.</li><li>You will be responsible for building and implementing automated testing frameworks to ensure quality within our agile development cycles.</li><li>Design and execute test automation strategies using tools like Selenium to improve test coverage and efficiency.</li><li>Implement Chaos Engineering and other advanced methodologies for non-functional testing.</li><li>Establish quality metrics and drive upstream quality assurance practices across development teams.</li><li>Collaborate with engineering teams based in Japan, India, and Vietnam on cross-border projects.</li><li>Holding Valid working visa in Japan.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Minimum 3 years of development experience or test automation experience using scripting languages.</li><li>ISTQB Advanced Level certification or equivalent knowledge required.</li><li>Bachelor's degree in Information Processing, Computer Science, or equivalent qualification (e.g., Information Technology Engineer Examination).</li><li>Japanese proficiency at basic/daily conversation level (able to conduct interviews using a mix of Japanese and English).</li><li>Business-level English proficiency (TOEIC 700+ or equivalent) for global project collaboration.</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Shape quality engineering practices in a fast-growing fintech environment where your work directly impacts thousands of users.</li><li>Work with cutting-edge automation tools and methodologies including Selenium and Chaos Engineering.</li><li>Join a multicultural, global team spanning Japan, India, and Vietnam with diverse technical perspectives.</li><li>Be part of an agile organization that values innovation, speed, and continuous improvement in both product and process.</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 - 11 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013359935</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/V2F0dW55dS5TaXJpcGFpcm9qLjIyMTQxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-01-08T07:57:43Z
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
Network Engineer
  • Yokohama,
  • remote
  • Permanent
  • 0 - 0 JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>A Japanese subsidiary of an American outdoor apparel and equipment company. The Japan office manages product imports, retail store operations, e-commerce, and wholesale distribution nationwide.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Network Design &amp; Implementation</li><li>Operations &amp; Maintenance</li><li>Cloud &amp; Infrastructure Integration</li><li>Security &amp; Compliance</li><li>Documentation &amp; Collaboration</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Strong knowledge of TCP/IP, routing (BGP, OSPF), switching (VLAN, STP), and network protocols.</li><li>Hands-on experience with enterprise‑grade networking equipment (Cisco, Juniper, Aruba, Fortinet, etc.).</li><li>Experience configuring firewalls, VPNs, and network security tools.</li><li>Strong problem‑solving ability and attention to detail.</li><li>Effective communication skills with both technical and non-technical stakeholders.</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Yokohama</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>5 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013376551</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/TWlraXRvLk5haXRvLjQ4MjQyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-03-03T04:22:23Z
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
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
QA Engineer
  • Tokyo,
  • remote
  • Permanent
  • 9.0M - 15.0M JPY / Yearly
  • <p><strong>Company Profile</strong></p><p>A leading Japanese fintech company, in partnership with one of Japan's largest banking and financial groups, is establishing a new digital bank from the ground up - purpose-built to deliver innovative, embedded financial services for small and medium-sized businesses across Japan.<strong><br /></strong></p><p> </p><p><strong>The Role</strong></p><ul><li>The joint venture is in its early stages, building a digital banking platform from scratch where quality is foundational. As QA Manager, you will define and drive the entire quality assurance strategy for Japan's next-generation digital banking system.</li><li>You will lead API test improvements, implement CI/CD pipelines, define release criteria and severity definitions (Sev1-3), and establish audit-ready quality governance frameworks in close collaboration with international development teams.</li></ul><p> </p><p><strong>Your Skills </strong></p><ul><li>Over 5 years of development experience, with a strong background in API testing tools such as RestAssured or Karate.</li><li>ISTQB (or JSTQB) Foundation Level certification or equivalent knowledge is required.</li><li>Experience formulating test plans, test strategies, and leading development teams.</li><li>Business-level English is mandatory; Japanese proficiency (N2 or higher) is a strong advantage.</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Pioneer next-generation QA strategy at a greenfield digital bank - built from scratch with no legacy constraints.</li><li>Work at the intersection of SaaS and Fintech in a high-impact, fast-moving joint venture with a globally recognized financial institution.</li><li>Collaborate daily with international engineers in a truly global development environment.</li><li>Play a defining role in shaping quality governance for social infrastructure that will serve Japan's SMB economy.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>9 - 15 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013388236</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/V2F0dW55dS5TaXJpcGFpcm9qLjUzOTAxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
  • 2026-02-20T06:46:03Z
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