<p><strong>Company Profile</strong></p><p>A regional organization operating in the B2B sector is seeking a Helpdesk Support professional to join its IT team supporting operations across Japan and the broader APAC region. The team ensures smooth IT operations, infrastructure reliability, and support for local and regional stakeholders.</p><p> </p><p><strong>The Role</strong></p><ul><li>This role provides Level 1 and Level 2 IT support, helping maintain and improve IT systems across the region. You will assist end-users, troubleshoot technical issues, and work closely with colleagues and vendors to ensure reliable IT operations.</li><li>Reporting to the IT Manager, you will contribute to IT projects, support system improvements, and help implement new solutions for the organization.</li></ul><p>Main Responsibilities</p><ul><li>Act as the first point of contact for IT incidents; log, clarify, and escalate issues as needed.</li><li>Troubleshoot technical problems and coordinate with external vendors or offsite IT teams.</li><li>Support end-user hardware and software, including desktops, laptops, tablets, mobile devices, and communication tools.</li><li>Assist with setup, configuration, upgrades, and maintenance of IT systems.</li><li>Maintain and track IT assets, including procurement and disposal.</li><li>Provide support for video conferencing, IP phones, and other communication tools.</li><li>Assist with basic network setup and troubleshooting, including rack-and-stack tasks as required.</li></ul><p> </p><p><strong>Your Skills </strong></p><ul><li>Fluent in Japanese and business-level English.</li><li>Experience in IT support, helpdesk, or desktop support (L1/L2).</li><li>Familiarity with end-user hardware and software systems.</li><li>Comfortable working with regional teams and external vendors.</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Join a supportive and collaborative work environment with a positive company culture.</li><li>Collaborate with regional and international teams across APAC, gaining valuable cross-border experience.</li><li>Benefit from a flat management structure, encouraging open communication, autonomy, and faster decision-making.</li><li>Receive a competitive salary, up to 10 million JPY, with opportunities for career growth and professional development.</li><li>Be part of a stable organization that values work-life balance and long-term employee satisfaction.</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>7 - 10 million yen </p><p><strong> </strong></p><p>Reference Number: 06940-0013343412</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a></span></em><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><hr /><p><em>「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a></span></em><em>）に同意したものとみなされます。</em> <em>応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。</em></p><img src="https://counter.adcourier.com/ZXJpa2EueWFtYWRhLjE1ODYyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
<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></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">
<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>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>Company Profile<br />A global technology-driven organization operating a large-scale API and platform business is seeking a highly technical Product Development Manager to lead infrastructure-oriented product initiatives. The company supports an international user base and works within a deeply engineering-centric, multicultural environment.<br /><br />The Role<br />This role sits at the intersection of engineering and product management, owning the evolution of a core API platform used across multiple services and regions.<br />You will work closely with a highly technical, 20-30 person engineering-heavy team, driving product decisions related to API design, platform architecture, and infrastructure-level initiatives.<br /><br />The position requires hands-on technical credibility, this is not a business-facing PDM role. You will be responsible for translating complex engineering realities into clear product direction, managing technical specifications, API documentation, and platform roadmap priorities.<br />The environment is highly international, and English is the primary working language, with Japanese used for internal collaboration and select stakeholders.<br /><br />Your Skills</p><ul><li>Background as a software engineer transitioning into product management, or an experienced PDM with deep API / platform / infrastructure expertise</li><li>Proven experience managing API platforms, including API design, documentation, and gateway or API management tools</li><li>Strong understanding of infrastructure-level concerns such as database migrations, platform upgrades, and system architecture</li><li>Demonstrated ability to write clear, precise API documentation and technical specifications</li><li>Fluent English (business level required)</li><li>Japanese communication skills preferred (business level ideal; conversational level acceptable)</li><li>Comfortable working in highly technical, engineering-driven teams<br /><br />Nice to Have</li><li>Experience with cloud platforms (AWS, GCP, Azure)</li><li>Familiarity with infrastructure-as-code concepts</li><li>Experience in e-commerce or platform-based business models</li><li>Experience managing technical roadmaps and stakeholder alignment<br /><br />Key Highlights of the Role</li><li>Own and shape a global API platform with real architectural and infrastructure impact</li><li>Work in a deeply technical environment where engineering credibility truly matters</li><li>Collaborate with a diverse, international team using English as the primary language</li><li>Flexible location policy with offshore candidates welcome</li><li>Stable yet evolving platform with long-term technical challenges and growth opportunities<br /> </li></ul><img src="https://counter.adcourier.com/T25kcmVqLlphdGxvdWthbC44ODg2MC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
<p><strong>Company Profile</strong></p><p>Mobility-focused technology subsidiary of a major Japanese automotive manufacturer</p><p><strong>The Role</strong></p><p>This role is critical in accelerating production readiness by bringing external SRE expertise, improving operational maturity, and enabling the engineering team to adopt industry best practices. You will play a hands-on role in on-call operations, incident response, observability, and continuous improvement while elevating the team's operational knowledge.</p><ul><li>Knowledge Transfer & Training: Share SRE best practices, train engineers, establish effective on-call structures, and support tool selection (e.g., PagerDuty).</li><li>On-Call Operations: Serve as the first responder for daily alerts and user inquiries, drive root-cause identification, and escalate appropriately.</li><li>Alert Optimization: Improve alert quality, reduce noise, and ensure accurate and actionable signals.</li><li>Incident Management: Lead incident response, run post-mortems, and implement preventive measures across the organization.</li><li>Monitoring & Reliability: Define and optimize SLOs/SLIs, enhance monitoring systems, and elevate reliability practices.</li><li>Cross-Functional Collaboration: Communicate clearly with SRE, infra, data, and service teams to drive operational alignment.</li><li>Documentation: Build and maintain structured SoPs and runbooks.</li><li>Continuous Improvement: Enhance alerting, operations, and observability (o11y) maturity.</li><li>Security Integration: Incorporate security and compliance into all operational workflows.</li><li>Tooling & Innovation: Evaluate and introduce new technologies that improve efficiency and reliability.</li></ul><p><strong>Location</strong></p><p>Tokyo</p><p><strong>Salary</strong></p><p>5,210 yen / Hour </p><p> </p><p>Reference Number: 06940-0013331590</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/YXJ5YS5wYW11bmdrYXMuMzg0NzMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<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">
<p><strong>Company Profile</strong></p><p>Enterprise SaaS provider specializing in contract management solutions that transform how businesses leverage contract data. Post-PMF company experiencing rapid growth, backed by years of proprietary OCR and NLP technology development. The platform serves legal, sales, engineering, and executive teams across major Japanese enterprises, combining battle-tested data digitization expertise with cutting-edge generative AI capabilities.</p><p> </p><p><strong>The Role</strong></p><ul><li>Lead critical technical initiatives from architecture design through implementation and team guidance</li><li>Own technology decisions and code reviews across new feature development, improvements, and operations</li><li>Drive performance optimization strategies for contract data processing and full-text search at scale</li><li>Design and implement microservices architecture to support global expansion and feature velocity</li><li>Build LLM inference infrastructure that combines massive document processing with generative AI</li><li>Shape technical stack evolution and modernization across the entire platform</li><li>Provide hands-on technical mentorship to engineering teams while establishing systems that improve code quality</li><li>Identify and solve cross-product technical challenges that impact organizational efficiency</li></ul><p> </p><p>Tech Stack: Kotlin, Ktor, Spring Boot, TypeScript, React, Vite, PostgreSQL, Elasticsearch, Google Cloud (Cloud Run, Cloud Functions), GitHub Actions, Splunk</p><p><strong> </strong></p><p><strong>Your Skills </strong></p><p>Required:</p><ul><li>7+ years building web applications with proven architectural ownership</li><li>Deep backend expertise using statically-typed languages (Java, Kotlin, Go, TypeScript)</li><li>SPA frontend development experience with React, Vue.js, or similar frameworks</li><li>Public cloud architecture - designing and operating systems on GCP, AWS, or Azure</li><li>DDD modeling proficiency and understanding of cloud design patterns</li><li>RDB design and performance tuning skills for high-volume data processing</li><li>Technical leadership experience guiding development teams</li><li>Business-level proficiency in both Japanese and English</li><li>Valid work authorization for Japan or current Japan residency</li></ul><p>Preferred:</p><ul><li>Large-scale, high-traffic services experience</li><li>SRE/DevOps background with microservices architecture design</li><li>SaaS product launch experience from zero to production</li><li>Security design and vulnerability remediation knowledge</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Post-PMF hypergrowth phase - architect systems that scale from successful product to market-defining platform with massive technical autonomy over technology selection and strategic direction</li><li>Unique technical challenge - combine proprietary OCR/NLP technology developed over years with cutting-edge generative AI to achieve precision levels generic solutions cannot match</li><li>Scale-specific challenges - microservices transformation, large-scale LLM infrastructure, and DDD modeling of complex domains at enterprise scale</li><li>Hands-on + leadership balance - design your own approach between architectural leadership and technical implementation</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>10 - 19 million yen</p><p> </p><p><strong> </strong></p><p>Reference Number: 06940-0013342172</p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a></span></em><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><hr /><p><em>「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（</em><em><span style="text-decoration: underline;"><a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a></span></em><em>）に同意したものとみなされます。</em> <em>応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。</em></p><img src="https://counter.adcourier.com/c3VlLnRpbmcuOTQxNzkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<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">
<p><strong>Company Profile</strong></p><ul><li>A growing technology company with a strong presence in Fukuoka. The organization offers a popular social platform for married individuals, developed by an experienced engineering team with backgrounds in leading tech firms and utilizing the latest AI technology. The app currently has over 400,000 cumulative members and is known for its intuitive UI/UX and vibrant user community.</li></ul><p><strong>The Role</strong></p><ul><li>Design, develop, and maintain new features and improvements for a large-scale web application</li><li>Collaborate closely with customer service and design teams to optimize user experience</li><li>Work in an autonomous engineering environment focused on rapid iteration and technical excellence</li></ul><p><strong>Your Skills</strong></p><ul><li>Strong knowledge of both frontend and backend web development</li><li>Proficiency with modern technologies such as TypeScript, JavaScript, Python, React, Node.js, DynamoDB, SQL</li><li>Familiarity with cloud infrastructure and tools: AWS, Git, GitHub, Amplify, Jest, GraphQL, Lambda, S3, etc.</li></ul><p><strong>Key Highlights of the Role</strong></p><ul><li>Join a compact engineering team (<10 people) with direct access to leadership</li><li>Impact a product supporting over 400,000 users, with 1,000+ new sign-ups daily and highly active user engagement</li><li>Enjoy flexible work arrangements, autonomy in tool selection, and opportunities to contribute across the full stack</li><li>Regular career development discussions and participation in management by engineers</li><li>Tech stack maintained within one year of latest releases, and English communication opportunities provided</li></ul><p><strong>Location</strong><br />Fukuoka</p><p><strong>Salary</strong><br />11,232,000 yen annual</p><p><strong>Reference Number:</strong><br />06940-0013372175</p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjY4Mjc3LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
<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><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">
<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">
<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>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">
<p><strong>Company Profile</strong></p><p>A Global FSI organization operating in a highly regulated environment, with a strong emphasis on safeguarding sensitive data across complex systems.</p><p>The company is actively advancing its digital transformation initiatives and continues to invest in modern security architecture across both cloud and enterprise platforms.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>As a Senior Security Architect, you will drive the design and evolution of enterprise security architecture, with a primary focus on data protection, secrets management, and cryptography.</li><li>This is a hands-on, architecture-level position working closely with engineering, infrastructure, and cloud teams to ensure sensitive data and secrets are securely managed across systems and integrations.</li></ul><p>Responsibilities：</p><ul><li>Develop and maintain a deep understanding of enterprise data protection and secrets management requirements</li><li>Provide technical leadership to ensure security controls are embedded into application development and infrastructure initiatives</li><li>Collaborate with engineering, cloud, infrastructure, and security teams to identify and mitigate security risks</li><li>Conduct security risk assessments and define mitigation strategies related to sensitive data and secrets</li></ul><p> </p><p><strong>Your Skills </strong></p><ul><li>5+ years of experience in security architecture, with a focus on data protection, encryption, and secrets management</li><li>Strong knowledge of cryptographic technologies and standards (e.g. AES, RSA, PKI)</li><li>Hands-on experience with secrets management solutions, including cloud-native or enterprise platforms</li><li>Experience designing security architectures within cloud environments</li><li>Solid understanding of core security principles such as defense in depth, least privilege, and secure-by-design</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Architect-level role with significant technical ownership and influence</li><li>Strong emphasis on data protection and encryption at enterprise scale</li><li>English only required position, work location: Tokyo Japan</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>15 - 25 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013352188</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/TGFuLk5ndXllbi4zMTA0Ny4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.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>About the Role</strong><br />A fast-growing fan community application is looking for server-side engineers to support ongoing expansion. The role involves designing, building, and improving core features using Node.js. This is an opportunity for those passionate about technology and product development.</p><p><strong>Responsibilities</strong></p><ul><li>Develop and maintain backend features with Node.js</li><li>Propose and test ideas for product improvement</li><li>Work with product managers to clarify requirements and solve problems</li><li>Option to contribute in infrastructure-related areas depending on your interests</li></ul><p><strong>Product Overview</strong><br />A subscription-based app connecting creators and core fans in exclusive communities. Creators drive content and engagement, creating a rewarding experience for all participants.</p><p><strong>Team & Work Style</strong></p><ul><li>15 engineers, 2 product managers, 3 support members</li><li>Flat structure, encouraging new ideas and challenges</li><li>Fully remote and flexible work environment</li><li>Frequent collaboration and knowledge sharing via Slack</li></ul><p><strong>Tech Stack</strong></p><ul><li>Node.js, GCP, AWS, MySQL, BigQuery, Redis</li><li>Agile methodology</li></ul><p><strong>Requirements</strong></p><ul><li>Experience leading or playing a key role in backend development and product release</li><li>Experience working on agile teams with product managers</li><li>Passion for technology and product building</li><li>Strong communication and teamwork skills</li></ul><p><strong>Nice to Have:</strong></p><ul><li>Experience with large-scale or high-traffic systems</li><li>Payment system or mobile/web development experience</li><li>Knowledge of live streaming technologies</li><li>Turning high-level concepts into working systems</li><li>Experience working with product managers/designers</li></ul><p>JO: 06940-0013356210</p><p>Location: Tokyo</p><p>Annual Salary: ￥15,000.000</p><img src="https://counter.adcourier.com/c3VlLnRpbmcuNTg3ODkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<p><strong>Company Profile</strong></p><p>AI SaaS provider focused on bringing advanced causal inference technology from research to commercial application, transforming how businesses leverage data-driven insights.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>Lead the development of our causal AI SaaS product, bridging cutting-edge research with practical business solutions across frontend, backend, AI infrastructure, and cloud platforms.</li><li>Report directly to the CTO as their right hand, driving technical strategy, architecture decisions, and rapid MVP development with full autonomy.</li><li>Establish AI-driven development standards using tools like Cursor, ClaudeCode, and Devin while leading offshore development teams.</li><li>Design and implement scalable architecture (SPA + asynchronous processing on AWS) and refactor existing services for growth.</li></ul><p> <strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>5+ years web application development experience (Vue/React, Python/Java, SpringBoot/FastAPI).</li><li>AWS architecture design experience (Lambda, SQS, EKS) with SPA + async processing patterns.</li><li>Practical experience with AI development tools and rapid MVP/hypothesis validation.</li><li>Experience in 2+ Scrum roles (PO/SM/Developer) and English proficiency for offshore collaboration.</li><li>Multi-tenant B2B SaaS or SOC2/ISO27001 compliance experience is a plus.</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Rare opportunity to implement research-based causal AI technology into real-world business impact.</li><li>Clear career path to VPoE or Technical Fellow based on your aspirations.</li><li>Full remote/flextime work style with results-focused autonomy.</li><li>Stock options and competitive compensation.</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: 06940-0013360777</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/V2F0dW55dS5TaXJpcGFpcm9qLjQ1MjI0LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
<p><strong>Company Profile</strong></p><p>A global financial services organization operating large-scale cloud and SaaS platforms in Japan. The company is accelerating cloud adoption and system integration while maintaining strict security and compliance requirements across enterprise environments</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>This role is a hands-on Security Architect position focused on securing cloud infrastructure, SaaS platforms, and real-world system integrations.</li><li>You will work closely with cloud operations and infrastructure teams to ensure security is correctly designed, implemented, and enforced at the platform level.</li></ul><p> </p><p><strong>Your Skills </strong></p><ul><li>5+ years of experience in security architecture with strong cloud focus</li><li>Deep knowledge of cloud infrastructure security (AWS, Azure, or GCP)</li><li>Experience with compliance standards and regulations such as PCI, HIPAA, GDPR, and CCPA.</li><li>Able to explain technical security risks clearly to engineers and non-engineers</li><li>English: Fluent level; Japanese language: Not required</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Opportunity to influence cloud and SaaS security strategy at scale</li><li>Engagement with Global team while residing in Japan</li><li>Competitive salary range: 15-25M JPY/year</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>15 - 25 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013352187</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/TGFuLk5ndXllbi43Mzg5NS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
<p style="display: inline !important;"><strong>Company Profile</strong></p><p>Our client is a fast‑growing digital infrastructure platform with operations across Asia. The company develops and operates mission‑critical assets such as data centres and network infrastructure, supporting cloud services, hyperscale clients, telecom operators, and large enterprises. With strong investment backing and continued expansion in Japan, the business offers a dynamic environment that blends real‑asset development with cutting‑edge digital technology.<br /> The Japan entity is entering a phase of accelerated growth, requiring a seasoned finance leader to strengthen financial governance, support new developments, and partner closely with global and regional stakeholders.</p><p><strong> </strong></p><p><strong>The Role</strong></p><p>As the Senior Financial Controlling Manager, you will oversee financial controlling, reporting, budgeting, and forecasting for the Japan business. You will act as a strategic partner to operational, construction, commercial, and investment teams, ensuring strong financial governance and enabling data‑driven decision‑making.<br /> This role requires a combination of technical finance expertise, business acumen, and the ability to operate in a fast‑moving, asset‑heavy environment.<br /><br /> Key Responsibilities</p><ul><li>Lead monthly, quarterly, and annual financial closing, ensuring accuracy and compliance</li><li>Prepare and review management reports, variance analysis, and financial dashboards</li><li>Oversee budgeting, forecasting, and long‑term planning processes</li><li>Support project‑level financials, including asset development, capex tracking, and ROI analysis</li><li>Strengthen internal controls, compliance frameworks, and financial processes</li><li>Partner closely with Operations, Engineering, Real Estate, and Commercial teams</li><li>Coordinate with regional and global finance stakeholders</li><li>Support financing activities, external reporting, and audits as needed</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Native-level Japanese with business-level English</li><li>Strong finance background with experience in Controlling / FP&A / Financial Reporting</li><li>Industry experience in data centres, telecommunications, real estate, or infrastructure</li><li>Solid understanding of asset‑heavy business models and capex management</li><li>Ability to work cross‑functionally and communicate with technical and commercial teams</li><li>Strong analytical skills with the ability to translate data into strategic insights</li><li>Proactive, structured, and comfortable operating in a rapidly scaling environment</li><li>Experience in multinational or matrix organizations is a plus</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Senior role with significant visibility to Japan and regional leadership</li><li>Opportunity to shape the finance foundation of a growing digital infrastructure business</li><li>Hands‑on involvement in both asset development and operational finance</li><li>International environment with strong collaboration across regions</li><li>High-impact position with room for career advancement</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>16 - 20 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013370391</p><img src="https://counter.adcourier.com/Z2luYS5raWt1Y2hpLjg4Mzg2LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
<p><strong>Company Profile</strong></p><p>A global technology-driven organization focused on sustainability, smart infrastructure, and large-scale energy optimization is expanding its data science capabilities in Japan. The company works with complex, real-world energy and infrastructure data to support long-term innovation, research, and operational efficiency.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>The Energy Data Scientist will work with large-scale time-series and IoT-based energy data, analyzing consumption patterns and developing analytical models to support optimization initiatives.</li><li>This role combines hands-on data analysis with research-oriented reporting, including the preparation of technical reports and studies used for internal decision-making and external publications.</li><li>You will collaborate closely with engineers, researchers, and business stakeholders to ensure analytical outputs align with real-world system constraints and operational requirements.</li></ul><p> </p><p><strong>Your Skills </strong></p><ul><li>Experience analyzing large-scale time-series data using Python and SQL</li><li>Strong background in data analysis, statistical modeling, or applied data science</li><li>Ability to translate complex analytical findings into clear written reports or studies</li><li>Experience with data visualization tools such as Tableau or Power BI</li><li>Exposure to automation, data pipelines, or analytical workflow optimization</li><li>Business-level English, conversational Japanese is a plus.</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Opportunity to work on real-world energy and infrastructure data rather than purely online datasets</li><li>Strong research and thought-leadership focus, including report and paper-style deliverables</li><li>Suitable for candidates from energy, manufacturing, finance, or logistics data backgrounds</li><li>Hybrid work environment based in Japan with exposure to cross-functional and international 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>6 - 11 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013359059</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/ZXJpa2EueWFtYWRhLjkyNzU1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
