<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 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><strong>Company Profile</strong></p><p>A growing fintech firm with more than 100 full-time employees who also have the backing of one of Japan's most prominent fintech firms.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>You'll be working directly with stakeholders from both global and local financial institutions to implement the company's system - you'll be responsible for the end-to-end implementation of the system, including requirements gathering and creating specifications for tech teams.</li><li>There is also a separate team focusing on the ongoing support and maintenance of the system with existing customers and you may also be suitable for this team.</li></ul><p> </p><p><strong>Your Skills </strong></p><ul><li>Fluent Japanese is mandatory for the role. Business English will be useful for dealing with offshore development teams.</li><li>Previous IT project management experience, ideally covering software development / with deep knowledge of the SDLC / Agile methodologies.</li><li>Any exposure to the financial services or banking sectors would also be an advantage, but not essential.</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Join a company that has retained its own startup culture despite being acquired by a leading fintech sector.</li><li>This role can be performed 100% remotely (as long as you are already in Japan). There may be quarterly team meetings to attend in Tokyo, but the day-to-day role allows for full remote.</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>7.5 - 11 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013363666</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/VWJoaS5TYW5kZWVwLjgzMzIzLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
<p>Company Profile | 企業概要</p><p><br />A leading Japanese technology and e-commerce conglomerate operating a vast private cloud infrastructure that powers services used by millions of users globally is looking for a Senior Cloud Platform Engineer.</p><p><br />The Role | 職務内容</p><p><br />This team of 17 (15 engineers, 2 project managers) is responsible for providing and maintaining the company's private cloud Kubernetes container platform.<br />The group is looking for a Senior Engineer who can handle both software development and infrastructure administration across Kubernetes, Istio, Linux, Mesos, and Marathon systems. Within six months, you will be expected to operate as a virtual team leader across products and projects.<br /><br /><br />Your Skills | 応募資格</p><p><br />5+ years of software development experience (requirement definition, design, test, implementation, release) using a statically typed language such as Java, C++, Golang, or Rust.<br />3+ years of infrastructure administration experience in production environments (Linux, Kubernetes, Istio, Nginx, Mesos, Marathon, etc.).<br />Hands-on experience providing cloud platform services across 100+ servers (user-only experience is not sufficient).<br />A careful and methodical approach to large-scale infrastructure operations.<br />Willingness to join as a regular employee and participate in daily on-call rotation shifts.<br /><br /><br />Key Highlights of the Role | おすすめのポイント<br /><br />Join one of Japan's most iconic tech companies and contribute to infrastructure powering services at massive scale.<br />Clear leadership track - expected to grow into a virtual team lead role within six months.<br />Work with cutting-edge cloud-native technologies including Kubernetes, Istio, and a fully private cloud environment.<br />Be part of a collaborative, multinational engineering team using a modern, end-to-end DevOps toolchain.</p><p> </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: 67040-06940-0013410551</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/c2h3ZXRhLmxla2hyYWphbmkuOTA1MDQuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.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 fast-growing AI-powered data platform company serving the manufacturing industry, with operations across Japan, the US, and ASEAN markets, is looking for a QA Lead Engineer to own quality strategy for a new product.</p><p><strong> </strong></p><p><strong>The Role</strong></p><p>The company is building a new application on top of its core enterprise platform, which manages large archives of engineering drawings, documents, and supply-chain data. With an initial version developed and an official release approaching, product quality and stability are now top priorities.<br /> <br /> You will lead QA strategy formulation and execution - defining what quality means in the context of the product vision and business strategy, not just improving existing processes. You will build a QA framework from the ground up, including hiring and training team members, formulating test strategies, and leading test planning, design, and execution across both automated and manual testing. You will review product specifications from a quality perspective and collaborate closely with engineering and product stakeholders to continuously deliver value and earn customer trust.</p><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>5+ years of experience leading quality assurance activities with strong QA expertise.</li><li>Experience managing and leading QA teams.</li><li>Hands-on experience designing and implementing test processes per standards such as ISTQB, ISO 29119, and general QA methodologies.</li><li>Experience working with large-scale systems involving multiple teams and stakeholders is a plus.</li><li>QA experience in Agile environments and for web applications or SaaS products is preferred.</li><li>Professional background as a software engineer is a plus.</li><li>Business-level Japanese (JLPT N2 or equivalent, or ~3 years professional experience in a Japanese-speaking environment).</li></ul><p>Tech Stack</p><ul><li>Frontend: TypeScript, React, Next.js</li><li>Backend: TypeScript, Rust (axum), Node.js (Express, Fastify, NestJS)</li><li>Infrastructure: Docker, Google Cloud, Kubernetes, Istio, Cloudflare</li><li>DevOps: GitHub Actions, ArgoCD, Kustomize, Helm, Terraform, Datadog, Sentry</li><li>Data: CloudSQL (PostgreSQL), AlloyDB, BigQuery, dbt, trocco</li><li>API: GraphQL, REST, gRPC</li><li>Auth: Auth0</li><li>Comms: Slack, Discord, JIRA, Miro, Confluence</li></ul><p> </p><p><strong>Key Highlights of the Role </strong></p><ul><li>Play a defining role in building quality culture and QA infrastructure for a new product at a high-growth company.</li><li>Act as the key stakeholder between product, engineering, and leadership on all quality matters.</li><li>Deliver significant societal value through products that transform industrial structures globally.</li><li>Develop professional insights into software development well beyond QA engineering.</li><li>Join a globally operating organization and work alongside highly motivated teammates tackling an unprecedented challenge.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>10 - 12 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013408087</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/T25kcmVqLlphdGxvdWthbC4wNTYyOS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
<p><strong>Company Profile</strong></p><p>A fast-growing Manufacturing AI SaaS platform company, expanding globally across the US and Asia, is looking for an Engineering Manager to lead cross-border product development teams.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>The company is in a full-scale global expansion phase, with development teams spanning Japan and Vietnam, and is scaling a core AI-powered product at a rate far exceeding typical SaaS growth benchmarks.</li><li>You will lead the end-to-end development management of a key product - from goal-setting and roadmap execution to team design and quality standards - working closely with product and business stakeholders.</li><li>You will design and operate a collaborative development system between sites, managing time zone workflows, cross-cultural communication, and unified engineering standards.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Proven experience leading a development organization and contributing directly to product growth and customer outcomes.</li><li>People management experience including recruitment, evaluation, and organizational design.</li><li>Hands-on background as a software engineer with experience building and operating products.</li><li>Business-level Japanese (JLPT N2 or equivalent) and business-level English, both mandatory.</li><li>Experience managing multinational development teams.</li></ul><p>Tech Stack </p><ul><li>Frontend: TypeScript, React, Next.js</li><li>Backend: Rust (axum), TypeScript, Node.js (Express, Fastify, NestJS)</li><li>ML & Algorithms: Python, PyTorch, TorchServe, OpenCV, Elasticsearch, Vertex AI</li><li>Infrastructure: Google Cloud, GKE, Istio, Cloudflare, Argo Workflows</li><li>DevOps: GitHub Actions, ArgoCD, Terraform, Datadog, Sentry</li><li>Data: PostgreSQL, AlloyDB, BigQuery, dbt</li><li>API: GraphQL, REST, gRPC</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Drive product decisions that directly impact the cost structure and operations of global manufacturing customers.</li><li>Gain rare experience designing and leading a distributed, cross-cultural engineering organization across multiple countries.</li><li>Work alongside world-class technical leadership to tackle an unprecedented challenge in a massive, historically underserved industry.</li><li>Join a company at an inflection point - global expansion is underway, and this role sits at the center of that growth.</li></ul><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>10 - 14 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013408052</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 </em></p><img src="https://counter.adcourier.com/T25kcmVqLlphdGxvdWthbC4yNjA3OS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
<p><strong>Company Profile</strong></p><p>This company is a global internet services provider offering a diverse ecosystem of digital products across e‑commerce, fintech, digital content, communications, and professional sports.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>This role involves leading system architecture, integrating modern cloud and automation technologies, and collaborating with cross‑functional teams to enhance operational efficiency and business value. Strong technical leadership and hands‑on engineering capability are essential.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Strong background in software development and system architecture.</li><li>Proficiency in Java, Python, Go, or JavaScript/TypeScript.</li><li>Hands-on experience with cloud platforms (AWS, GCP, Azure).</li><li>Expertise in Docker, Kubernetes, and microservices.</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>5,500 JPY hourly</p><p><strong> </strong></p><p>Reference Number: 06940-0013372140</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjQyNzA1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
<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>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>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>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><strong>Company Profile</strong></p><p>A rapidly growing AI technology firm established as a strategic subsidiary of a major publicly listed Japanese corporation. The company specializes in utilizing Generative AI and Large Language Models (LLMs) to develop innovative SaaS solutions and AI Agents that revolutionize business productivity. They boast a diverse, multinational team and combine the agility of a startup with the financial stability of a large enterprise.</p><p><strong> </strong></p><p><strong>The Role</strong></p><p>The company is at a critical growth phase and is seeking a Senior Product Manager to define the direction of their rapidly expanding AI products.<br /> You will bridge the gap between cutting-edge technology and customer needs, leading a development organization of approximately 65 people (engineers and PMs).<br /> </p><p>Responsibilties include:</p><ul><li>Formulating mid-to-long-term product roadmaps based on business strategy.</li><li>Leading the definition of requirements and specifications for AI Agents and SaaS tools.</li><li>Collaborating with cross-functional global teams to ensure successful product scaling and market fit.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>4+ years of Product Management experience in software or SaaS development.</li><li>Business-level English is mandatory (Japanese language skills are NOT required).</li><li>Proven experience leading product strategy from planning to execution (0→1 or growth phase).</li><li>Strong ability to translate customer needs into technical specifications.</li><li>Experience or strong interest in AI, LLMs, and NLP technologies is highly preferred.</li></ul><p><strong> </strong></p><p><strong>Key Highlights of the Role </strong></p><ul><li>Global Environment: Work in a truly multinational, English-first team in Tokyo.</li><li>Cutting-Edge Tech: Direct involvement with Generative AI and LLM product development.</li><li>High Impact: Play a central role in scaling a product from PMF to mass adoption.</li><li>Great Benefits: Hybrid work system (3 days office/2 days remote), rent allowance, and full financial support for AI tools and learning</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 - 16 million yen</p><p><strong> </strong></p><p>Reference Number: 06940-0013391857</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/V2F0dW55dS5TaXJpcGFpcm9qLjU5OTU0LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.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 mobility technology subsidiary of automotive company, focused on developing advanced software and mobility platforms for next‑generation transportation.</p><p><strong> </strong></p><p><strong>The Role</strong></p><ul><li>As a CI/CD Engineer, you will design, build, and operate large‑scale build-and-release pipelines for safety‑critical automotive software.</li><li>Design & Operate CI/CD Pipeline</li><li>Build Systems & Artifacts</li><li>Test Automation at Scale</li><li>Release Engineering</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>5+ years building and operating CI/CD systems at scale</li><li>Expertise with build tools (e.g., Bazel/CMake/Gradle), containerization (Docker), and artifact repositories (Artifactory/Harbor).</li><li>Proficiency with AWS and Infrastructure as Code (Terraform/CloudFormation); GitOps (Argo CD/Flux).</li></ul><p> </p><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>720, 000 yen monthly</p><p><strong> </strong></p><p>Reference Number: 06940-0013383538</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><em> </em></p><img src="https://counter.adcourier.com/VG9tb2UuTW91bnRlZXIuODE3MzEuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<p><strong>Company Profile</strong></p><p>A mobility‑technology subsidiary of a major automotive group advancing software‑defined vehicles, autonomous‑driving systems, and smart‑city innovation.</p><p> </p><p><strong>The Role</strong></p><ul><li>The PKI Engineer will play a critical role in designing and operating secure systems that support vehicle software, cloud services, and large‑scale mobility platforms.</li></ul><p><strong> </strong></p><p><strong>Your Skills </strong></p><ul><li>Strong experience designing or operating PKI systems in enterprise or cloud environments.</li><li>Knowledge of X.509 certificates, TLS, certificate chains, OCSP, CRL, and key‑management best practices.</li><li>Hands‑on experience with cryptographic tools, CA systems, or CLM platforms (e.g., HashiCorp Vault, AWS ACM, Azure Key Vault, Venafi).</li></ul><p><strong> </strong></p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>1 million yen monthly</p><p><strong> </strong></p><p>Reference Number: 06940-0013371363</p><p> </p><p> </p><p><em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em></p><img src="https://counter.adcourier.com/VG9tb2UuTW91bnRlZXIuOTYxOTMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<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><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>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>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>Company Profile | 企業概要<br />A global technology-driven organization operating at massive scale, delivering high-availability data infrastructure solutions to millions of users worldwide. The database engineering team is at the core of the business - building, managing, and evolving mission-critical systems with cutting-edge cloud-native technology.<br /><br />The Role | 職務内容<br /><br />The team is responsible for designing and managing large-scale Couchbase database environments, with a strong focus on Kubernetes-based deployments across production systems.<br />You will serve as the senior technical authority for Couchbase, leading lifecycle management, performance optimization, and incident resolution across critical database infrastructure.<br />Reporting into the Database leadership, you will mentor junior DBAs, drive best practices, and collaborate closely with development, SRE, and operations teams.<br />You will lead end-to-end database projects - from planning and design through to execution, monitoring, and closure.<br /><br /><br />Your Skills | 応募資格<br /><br />8+ years of progressive Database Administrator experience, with at least 3+ years specifically in Couchbase.<br />Deep expertise in Couchbase architecture, N1QL, indexing, replication, and Cross Data Center Replication (XDCR).<br />Hands-on experience managing Couchbase on Kubernetes platforms (GKE, EKS, AKS, or OpenShift).<br />Proficiency in scripting languages such as Python or Bash for automation.<br />Familiarity with monitoring tools such as Prometheus, Grafana, or Splunk.<br />Experience with cloud platforms (AWS, Azure, GCP) and Infrastructure as Code tools like Terraform is a plus.<br />Additional experience with MySQL or Elasticsearch is advantageous.<br />Strong communication skills with the ability to explain complex technical concepts clearly.<br /><br /><br />Key Highlights of the Role | おすすめのポイント<br /><br />Join a globally scaled engineering team managing database infrastructure for millions of users.<br />Take ownership of Couchbase architecture and lifecycle management with real technical authority.<br />Work with cutting-edge cloud-native and Kubernetes technologies in a high-impact environment.<br />Mentor and lead junior DBAs while contributing to the strategic direction of the database landscape.<br />Be part of a collaborative, cross-functional team alongside SRE, development, and operations.</p><p> </p><p><strong>Location </strong></p><p>Tokyo</p><p><strong> </strong></p><p><strong>Salary</strong></p><p>6 - 9 million yen</p><p><strong> </strong></p><p>Reference Number: 67040-0013410546</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/c2h3ZXRhLmxla2hyYWphbmkuNzI4MDkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<p><strong>Company Profile</strong><br /> <br /> Our client is a global market leader in enterprise software, delivering mission-critical solutions to some of the world's largest financial services and insurance organisations. As cloud adoption accelerates across Japan, the company is strengthening its customer-facing program leadership capability to ensure complex transformation programs are delivered successfully and profitably.<br /> <br /> This is a strategic, high-visibility role sitting at the intersection of delivery, customer engagement, and commercial performance.<br /> <br /> <br /> <br /> <strong>The Role</strong><br /> </p><ul><li>You will lead end-to-end cloud transformation programs across assigned enterprise accounts. Acting as a trusted advisor to customers and system integrator partners, you will ensure delivery excellence while aligning programs to clear business outcomes.</li><li>This role combines program leadership, executive stakeholder engagement, financial oversight, and pre-sales support.</li></ul><p><br /> <br /> Cloud Program Leadership<br /> </p><ul><li>Lead planning and execution of enterprise cloud transformation programs</li><li>Coordinate key milestones, including performance testing, cutovers, and transition to customer success</li><li>Monitor progress, proactively identify risks, and drive mitigation strategies</li><li>Ensure program outcomes align with agreed business objectives and success criteria</li><li>Oversee complex, multi-stakeholder delivery environments</li></ul><p><br /> Customer Relationship & Executive Engagement<br /> </p><ul><li>Serve as a trusted delivery partner to senior customer stakeholders and System Integrator (SI) partners</li><li>Provide strategic guidance on platform adoption and optimisation</li><li>Advocate for customer priorities internally, collaborating with Product, Cloud Operations, and Support</li><li>Support governance forums, including steering committees and executive reviews</li></ul><p><br /> Sales & Pre-Sales Support<br /> </p><ul><li>Contribute to cloud transformation proposals and services estimates</li><li>Engage early in customer discussions to shape delivery approaches and engagement models</li><li>Own small to mid-sized opportunity proposals and support development of Statements of Work (SOWs)</li><li>Identify additional revenue opportunities through strategic account engagement</li></ul><p><br /> Program Financial Management<br /> </p><ul><li>Track program budgets and forecast delivery costs</li><li>Manage margin, staffing models, and scope alignment to ensure profitability</li><li>Support account-level services revenue and profitability targets</li><li>Ensure seamless transition from implementation to business-as-usual operations and customer success</li></ul><p><br /> <br /> <strong>Your Skills </strong><br /> </p><ul><li>Extensive experience in enterprise software delivery, consulting, or transformation programs</li><li>Exposure to highly regulated industries such as Banking, Insurance or Healthcare</li><li>Proven experience in customer-facing leadership roles</li><li>Hands-on experience leading large-scale cloud or SaaS implementations</li><li>Experience coordinating cross-functional delivery teams, partners, and client stakeholders</li><li>Exposure to commercial aspects including proposals, SOWs, and pricing</li><li>Japanese (fluent level); English (Business level)</li></ul><p><br /> <br /> <strong>Key Highlights of the Role </strong><br /> </p><ul><li>Lead high-impact, enterprise cloud transformation programs</li><li>Significant exposure to C-level customer stakeholders</li><li>Strategic role combining delivery excellence and commercial responsibility</li><li>Be part of the #1 firm in its industry</li></ul><p><br /> <br /> <strong>Location </strong><br /> <br /> Tokyo<br /> <br /> <br /> <br /> <strong>Salary</strong><br /> <br /> 22 - 26 million yen<br /> <br /> <br /> <br /> Reference Number: 06940-0013386613<br /> <br /> <br /> <br /> <br /> <br /> <em>By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (</em><a href="https://www.roberthalf.com/jp/en/privacy"><em>https://www.roberthalf.com/jp/en/privacy</em></a><em>). Please ensure that your application documents do not include sensitive personal data such as race, beliefs, medical history, criminal record, or other information irrelevant to hiring process such as spouse or dependents. All information must be accurate and truthful, and any included hyperlinks must be safe and secure.</em><br /> </p><img src="https://counter.adcourier.com/b3NrYXIudGFrZW5ha2EuNjg5OTcuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<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>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>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">
