<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">
<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">
<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">
<p>The Role<br /> * Development and improvement of shared components and libraries for web frontend and backend, including support for project-specific customizations<br /> * UI/UX design for web products<br /> * Data collection and processing, including building integration systems to exchange data with partners and clients</p><p>Your Skills<br /> * Proficiency in frontend and backend software development<br /> * Experience with UI/UX design and implementation<br /> * Data engineering skills including ETL/ELT process development, pipeline construction, and database design<br /> * Ability to manage and secure sensitive data<br /> * Experience in system operations for stable, continuous service availability<br /> * Skills in infrastructure, toolchain, and environment optimization</p><p>Key Highlights of the Role<br /> * Versatile responsibilities spanning software development, data management, and system operation<br /> * Focus on securing and optimizing data handling and integration systems<br /> * Crucial contribution to stable, scalable, and efficient development environments and operational processes</p><p><em>Reference</em><em>：06940-0013385160</em></p><p><em> </em></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> </p><img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuMDQ5MDQuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<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">
<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">
<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">
<p><strong>Company Profile</strong></p><p>Global cybersecurity leader specializing in Endpoint Detection & 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">
<p><strong>Governance & Framework Alignment</strong></p><ul><li>Conduct SSF-based assessments, and update as well as translate policies and procedures.</li><li>Standardize program processes across all regions, including Third Party Risk Management (TPRM) and Vulnerability Management (VM).</li><li>Harmonize the program with regional offices and headquarters.</li></ul><p><strong>Risk & Compliance Operations</strong></p><ul><li>Provide end-to-end TPRM program management and monitor risk posture using available tools.</li><li>Identify risks in new implementations and with ad hoc requirements.</li></ul><p><strong>Incident Response & Security Operations</strong></p><ul><li>Update the global Incident Response plan, promote it, and drive its adoption across all regions.</li><li>Organize tabletop exercises and enhance Security Operations Centers.</li><li>Support security incident management and address zero-day vulnerabilities.</li></ul><p><strong>Technical Assessments & Vulnerability Management</strong></p><ul><li>Oversee vulnerability management, baselining, and dashboard reporting.</li><li>Perform configuration hardening and threat intelligence mapping.</li><li>Assess critical systems and applications.</li></ul><p><strong>Cloud, Infrastructure & Access Security</strong></p><ul><li>Review cloud security policies and conduct cloud security assessments.</li><li>Carry out access reviews for cloud, infrastructure, and applications.</li><li>Support data anonymization solutions.</li></ul><p><strong>Application & Database Security</strong></p><ul><li>Validate security for migration projects and upgrades.</li><li>Manage patches for applications, databases, and middleware.</li><li>Monitor applications to ensure security standards are maintained.</li></ul><p><strong>Awareness & Socialization</strong></p><ul><li>Communicate governance updates and provide incident response training.</li><li>Organize enterprise-wide cybersecurity awareness activities.</li></ul><p><strong>AI & Automation</strong></p><ul><li>Adopt automation tools across TPRM, Vulnerability Management, Incident Response, and policy management.</li><li>Leverage AI agents for decision support and workflow automation.</li></ul><p>Reference No.：06940-0013371376</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/bHVrZS5mdXJuaXZhbC4zNTI1Ny4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
<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">
<p>Build Japan's Payment Future with ML & 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">
<p style="display: inline !important;"><strong>Company Profile</strong></p><p>A globally recognised enterprise software leader, trusted by hundreds of insurers across 40+ countries, is expanding its digital practice in Tokyo. With a significant multi-year investment committed to the Japanese market and a growing roster of major domestic insurance clients, the company is building out a dedicated digital team to meet surging demand.<br /> This is a rare chance to join a global, high-impact team at exactly the right moment.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>The Japan digital practice is growing rapidly, currently running a flagship project with a major Japanese insurer with more in the pipeline</li><li>Working in a professional services capacity, you'll guide enterprise insurance clients and implementation partners through the full lifecycle of digital solution delivery from scoping and discovery through to technical execution</li><li>You'll translate complex client requirements into practical, phased digital solutions built on a proprietary React/TypeScript-based single-page application framework, steering clients toward realistic MVPs rather than scope-heavy wishlist implementations</li><li>The role shifts between heavy client-facing engagement during discovery and design, and internal technical coordination with offshore delivery teams during build phases</li><li>You'll start 100% allocated to one flagship project to build your foundation, with a natural progression toward managing multiple engagements simultaneously as your profile grows</li><li>Day-to-day collaboration will span the Japan-based senior architect, regional division members and offshore delivery teams - you are supported, not isolated</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Hands-on React and TypeScript experience is essential - you need to be able to get into the weeds, not just advise from a distance</li><li>A background in large enterprise - you understand how to deliver inside complex, layered client environments</li><li>Strong consulting and client-facing skills - the ability to walk into a room, build trust, and guide a senior stakeholder toward a better decision without making them feel overruled is arguably more important than technical depth alone</li><li>Business-level Japanese and strong English are both required - Japanese for client intimacy, English for offshore teams and global internal collaboration</li><li>Genuine understanding of Japanese business culture, particularly around expectation management and consensus-building</li><li>Agile delivery experience and the instinct to apply it even where iterative thinking isn't yet the client's default</li><li>A growth mindset - insurance knowledge is not required; smart learners with enterprise delivery experience have successfully made this transition before</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Join at an inflection point - a small Japan team backed by the full resources and expertise of a globally established company with colleagues averaging 10-15 years of tenure</li><li>Work on bleeding-edge digital technology - React today, AI-augmented tooling tomorrow - in a team that actively encourages you to explore and apply emerging tools</li><li>Hybrid flexibility: only 8 office days per month required, with up to 3-5 months of work-from-anywhere per year under a formal flexibility programme</li><li>Standout Japan market benefits: 21 days paid leave, home office setup allowance, annual wellness budget, comprehensive paternity leave, and long-term cash incentive compensation</li><li>Must be currently based in Japan or hold a valid work visa permitting immediate employment</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>13 - 16 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013405005</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/S2hhbmcuTGUuMjM3OTEuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<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">
<p><strong>Key Responsibilities；</strong></p><p> </p><p><strong>Security Governance & Risk Management</strong></p><ul><li>Perform security risk evaluations and develop risk mitigation approaches.</li><li>Develop and enforce security guidelines, benchmarks, and processes.</li><li>Contribute to building cybersecurity roadmaps and governance structures.</li><li>Partner with senior leaders to report on risk status and program maturity.</li></ul><p><strong>Privacy & Data Protection</strong></p><ul><li>Carry out privacy program reviews and gap assessments.</li><li>Participate in designing and deploying privacy frameworks (such as GDPR, APPI).</li><li>Contribute to Privacy-as-a-Service (PRaaS) initiatives and third-party risk evaluations.</li><li>Safeguard compliance with international and domestic data protection laws.</li></ul><p><strong>Technology Risk & Compliance</strong></p><ul><li>Deploy IT risk management frameworks integrated with organizational objectives.</li><li>Execute IT controls reviews and assist with audit preparation.</li><li>Aid in IT governance programs and in meeting regulatory requirements.</li></ul><p><strong>Location </strong></p><ul><li>Tokyo</li></ul><p><strong>Salary</strong></p><ul><li>8 million yen</li></ul><p><strong> </strong></p><p>Reference Number: 67040-0013350790</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> </p><img src="https://counter.adcourier.com/bHVrZS5mdXJuaXZhbC40MjgxMi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
<p data-start="80" data-end="111"><strong data-start="80" data-end="109">Key Skills & Requirements</strong></p><ul data-start="112" data-end="623"><li data-start="112" data-end="255"><p data-start="114" data-end="255"><strong data-start="114" data-end="130">Programming:</strong> Strong experience in languages such as C++ and C#, with practical knowledge of popular game engines like Unity and Unreal.</p></li><li data-start="256" data-end="366"><p data-start="258" data-end="366"><strong data-start="258" data-end="282">Analytical Thinking:</strong> Ability to approach technical problems methodically and find effective solutions.</p></li><li data-start="367" data-end="482"><p data-start="369" data-end="482"><strong data-start="369" data-end="387">Collaboration:</strong> Skilled at communicating and working closely with team members across different disciplines.</p></li><li data-start="483" data-end="623"><p data-start="485" data-end="623"><strong data-start="485" data-end="516">Game Development Expertise:</strong> Hands-on experience covering all stages of game creation, from initial concept through to final release.</p></li></ul><p> </p><p>JO: 06940-0013354999</p><p>Location: Tokyo</p><p>Annual Salary: JPY 15,000,000</p><img src="https://counter.adcourier.com/aXNhYWMuY2hlbmcuMDk1MjAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<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">
<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">
<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">
