43 results for Cloud Engineer jobs

Professional Service Engineer

Tokyo,
remote
Contract
8.0M - 11.0M JPY / Yearly
CLIENT HOT BUTTONS * SRE best practices * Experience with massive K8s cluster operations and management * Customer-facing technical skills - can onboard and train internal teams * Observability expertise, specifically with Push type matrix and Prometheus Push Gateway KEY REQUIREMENTS * 7+ years software development experience with DevOps/cloud engineering focus * 3+ years Python or Go programming experience * Strong Kubernetes container orchestration and management experience * Experience with Jira, Confluence, GitHub Enterprise or similar platforms * Customer-facing technical role experience (support, solutions engineering, consulting) * Low business Japanese language skills * Bachelor's degree in CS/Engineering/Math or equivalent experience PRODUCT/PROJECT/TEAM Products/Projects: Stargate SRE Platform - massive K8s cluster supporting Woven City and other Toyota initiatives Tech Stack/Tools: Kubernetes, Python/Go, Jira, Confluence, GitHub Enterprise, Prometheus Push Gateway, observability tools Team Structure: Professional Services team within Cloud & AI division, reporting to Senior Lead, working with internal customers and Product/Engineering teams Work Style: Customer-centric approach, direct engagement with internal teams for onboarding/training/migration CHARACTER & CULTURE Company: Woven by Toyota - automotive software innovation focused on enhancing developer productivity and streamlining development processes Team: Collaborative, customer-centric mindset, passion for establishing best practices, hybrid work environment with 3 days/week in office Reference Number:06940-0013281337By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/bWljaGFlbC5oYWdlZG9ybi41NjU4Mi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-08-18T02:07:40Z

Senior Software Engineer (Open to Any Language)

Tokyo,
remote
Permanent
8.0M - 15.0M JPY / Yearly
Senior Software Engineer (All Languages Welcome: Python, Java, Go, etc.) Drive critical projects and solve complex technical challenges at scale. We care more about your architectural thinking, problem-solving skills, and real-world experience than any single programming language. If you're a senior engineer ready to work with a diverse team and open to learning new tools, let's talk! 🌟 WHY THIS OPPORTUNITY IS EXCEPTIONAL Pioneer next-generation financial systems - from core banking modernization to cashless payment platforms that impact millions of users daily Work with bleeding-edge tech stack including cloud-native solutions, mobile technologies, and generative AI integration in financial services Shape products from concept to production - join projects at the proof-of-concept stage and influence architectural decisions from day one Agile development in traditional finance - break industry norms by implementing modern development practices in Japan's conservative financial sector Small, high-impact teams (5-8 members) with dedicated senior engineers providing mentorship and pair programming opportunities Direct client collaboration on requirements definition and system design, not just implementation work 💻 WHAT YOU'LL BUILD Design and implement API-first financial solutions for third-party integrations using OAuth 2.0/OpenID Connect/FAPI standards Develop microservices architectures on GCP/AWS/Azure for scalable payment processing systems Create modern web applications using TypeScript, Vue.js, and mobile-first approaches with Ionic Build core banking system modernization projects using Java/Kotlin Spring and multi-cloud infrastructure Implement security-first development practices for financial-grade data protection Write comprehensive technical documentation and knowledge transfer to global team members 👩‍💻 WHO WE'RE SEEKING Essential Experience: 7+ years as a software engineer with proven track record in production systems Hands-on expertise in one or more: Java, Go, Kotlin, C#, Javascript, Typescript, Python etc. Cloud platform experience with AWS, GCP, or Azure Team development experience with version control and collaborative workflows Conversational English for international team communication Experience building products from conception stage through full development lifecycle 🎯 WHAT'S IN IT FOR YOU Accelerated career growth through diverse project exposure across multiple technology stacks High social impact work improving Japan's financial infrastructure and promoting cashless society adoption Multicultural engineering environment with global perspectives and cross-cultural collaboration skills End-to-end ownership from architecture design through deployment and user delivery Technology exploration opportunities to expand beyond your current programming language expertise Mentorship from senior engineers in small team settings with personalized skill developmentReference No. : 06940-0013273964By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/c3VlLnRpbmcuMzUxMTguMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-08-05T06:45:19Z

Data Engineer

Tokyo,
remote
Contract
5.0M - 7.0M JPY / Yearly
CLIENT HOT BUTTONS<ul><li>This team manages standardized product data that enables smoother end-user search experiences</li><li>Team operates 70% English, 30% Japanese - need someone comfortable in this bilingual environment without being slowed down by language barriers</li><li>Full-stack responsibility from design through operations - they want someone who can own the entire lifecycle, not just code</li></ul>KEY REQUIREMENTS<ul><li>MUST HAVE: 4+ years professional Data Engineering or Software Engineering with data focus</li><li>MUST HAVE: Strong Java and Spring Boot framework (version 1.8+) with unit testing and performance-conscious coding</li><li>MUST HAVE: Experience with both relational (MySQL) and NoSQL databases (HBase) including schema design and SQL tuning</li><li>MUST HAVE: Cloud platform experience (GCP preferred, AWS acceptable) with services like Dataflow, Dataproc, Cloud Functions, Bigtable, BigQuery</li><li>MUST HAVE: Linux OS and shell scripting experience</li><li>MUST HAVE: Team collaboration experience on detailed design and coding</li><li>LANGUAGE: Conversational Japanese (J4), Business English (E2)</li></ul>Products/Projects<ul><li>Product Master Group manages standardized and identified product data for commodity/item data, enabling end-users to search more smoothly with structured/organized data</li></ul>Tech Stack/Tools<ul><li>Java, Spring Boot 1.8+, MySQL, HBase, GCP (Dataflow, Dataproc, Cloud Functions, Bigtable, BigQuery), Linux, shell scripting. Nice to have: Apache Spark, Hadoop, Docker, Kubernetes, TypeScript, Python</li></ul>Work Style<ul><li>Full-stack responsibility covering design, development, testing, and operations. More experienced candidates contribute to requirements definition and system design. Team communication is 70% English, 30% Japanese</li></ul>Location TokyoSalary5 - 7 million yen Reference Number: 06940-0013302873By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/bWljaGFlbC5oYWdlZG9ybi42ODAwNC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-10-03T01:06:16Z

Software Engineer

Tokyo,
remote
Contract
10.0M - 10.0M JPY / Yearly
Software Engineer - Data PlatformAbout the Role We are seeking a software engineer to join the data platform team. In this role, you will design, develop, and maintain critical systems that enable our data ingestion and processing pipelines. You will leverage modern cloud-based technologies to ensure that our data infrastructure remains secure, efficient, and highly reliable.Key Responsibilities<ul><li>Develop and maintain robust data ingestion pipelines capable of processing large-scale datasets.</li><li>Collaborate closely with the Security and Privacy teams to ensure compliance with relevant standards and regulations.</li><li>Conduct integration, end-to-end, and load testing to identify and resolve issues in data pipelines.</li><li>Use observability tools to monitor production systems, setting up alerts and tracking their performance effectively.</li><li>Troubleshoot and resolve bugs and performance bottlenecks within data processing systems.</li></ul>What We're Looking For<ul><li>Proficiency in programming with Kotlin or Java.</li><li>Experience with cloud technologies (e.g., AWS), microservices, and event-driven distributed system architectures.</li><li>Strong database expertise, including SQL, relational databases, and NoSQL solutions.</li><li>Familiarity with data streaming tools such as AWS Kinesis, Kafka, Flink, or Spark.</li><li>Hands-on experience with Snowflake for data warehousing.</li><li>A solid understanding of monitoring, troubleshooting, and performance optimization for production systems.</li></ul> Reference No.: 06940-0013272616By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/V2lsbC5GaXRjaC41NDcxNC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-09-05T04:37:49Z

Software Engineer

Tokyo,
remote
Contract
10.0M - 10.0M JPY / Yearly
About the RoleJoin a forward-thinking team focused on building the future of mobility through software innovation. This role involves developing scalable, high-performance systems for applications ranging from embedded vehicle platforms to cloud-based services and autonomous technologies.Key Responsibilities<ul><li>Develop and maintain software components for mobility platforms and vehicle operating systems.</li><li>Collaborate with cross-functional teams including hardware engineers, designers, and product managers.</li><li>Contribute to system architecture and design discussions.</li><li>Implement automated testing and CI/CD pipelines to ensure software quality.</li><li>Research and apply emerging technologies to enhance system capabilities.</li></ul>Qualifications<ul><li>Bachelor's or Master's degree in Computer Science, Engineering, or a related field.</li><li>Strong programming skills in languages such as C++, Python, Rust, or Go.</li><li>Experience with cloud infrastructure (AWS, GCP, Azure) and containerization (Docker, Kubernetes).</li><li>Familiarity with embedded systems or automotive software standards is a plus.</li><li>Excellent problem-solving and communication skills.</li><li>English proficiency required; Japanese language skills are a plus.</li></ul>Preferred Experience<ul><li>Working with real-time systems or safety-critical software.</li><li>Contributing to open-source projects or large-scale software platforms.</li><li>Experience in agile development environments.</li></ul>Saraly: Hourly Rate: ¥5100-¥6120Reference Number: 06940-0013294835By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjg3ODM1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-09-24T03:18:33Z

Senior Backend Engineer

Tokyo,
remote
Permanent
10.0M - 16.0M JPY / Yearly
Client Profile: The client is an AI start-up in Tokyo which creates end to end AI/Data solutions to major domestic clients in Japan. We are looking for a senior backend engineer with hands-on development experience of creating AI products and keen interest towards this field. Key Responsibilities: Design & develop core AI product (primarily Python) Build architectures for seamless multi-agent collaboration systems Implement high-performance, scalable multi-tenant runtime environments Optimize for real-time inference in cloud-native settings (GCP/Kubernetes) Collaborate with research teams to productize LLM advancements Technical leadership, process improvement & team mentoring Drive complex feature implementation and system performance optimization Requirements: Bachelor's/Master's in CS, AI, ML, Math, Physics or related 5+ years Python application development 3+ years machine learning (regression, classification, clustering, model evaluation) 3+ years NLP (NLTK, spaCy, Transformers, BERT, GPT fine-tuning) Cloud platforms (AWS/GCP/Azure) & containerization experience Business-level English OR Japanese proficiencySalary 10M - 16M JPYLocation Tokyo Reference Number: 06940-0013273193By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi4zNzA4My4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-08-04T07:35:14Z

Data (Cloud-Economics) Analyst

Tokyo,
remote
Contract
6.0M - 6.0M JPY / Yearly
Responsibilities: Budget Management & Reporting<ul><li>Ensure the integrity of data and produce financial reports related to Cloud & AI budgets.</li><li>Collaborate with financial analysts from IT (Enterprise Technology) as well as Cloud & AI Strategy & Operations to ensure proper financial alignment.</li></ul>Chargeback Engineering & Execution<ul><li>Design, sustain, and execute cost chargeback systems for Stargate and Enterprise AI (including cloud services and licenses).</li><li>Create and update datasets and data models essential for chargeback processes.</li><li>Guarantee data accuracy and traceability to maintain financial accountability.</li></ul>Analytics & Visualization<ul><li>Develop dashboards and reports to oversee budget management processes (A) and chargeback activities (B).</li><li>Deliver actionable insights based on data analysis for cost allocation, performance optimization, and informed decision-making.</li></ul>Cross-functional Collaboration<ul><li>Collaborate with BizOps executives, engineers, and analysts throughout Cloud & AI to synchronize financial and technical workflows.</li><li>Serve as an intermediary between Finance, Engineering, and Business Operations teams to facilitate effective FinOps practices.</li></ul>Technical / Data Skills<ul><li>Solid expertise in data engineering and analysis, particularly in cloud-related contexts.</li><li>Advanced skills in SQL and Python, along with a working knowledge of data warehousing methodologies.</li><li>Hands-on familiarity with a leading cloud platform (such as AWS, Azure, or GCP).</li><li>Understanding of data pipelines and visualization tools, preferably including DBT, Snowflake, and Power BI.</li></ul>Place to work: TokyoReference No.: 06940-0013310512By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/V2lsbC5GaXRjaC4wODcyNC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-10-17T06:10:11Z

SRE Engineer

Tokyo,
remote
Contract
11.0M - 11.0M JPY / Yearly
Summary: We are looking for a seasoned Site Reliability Engineer (SRE) to enhance the efficiency and reliability of our cloud-based infrastructure. This role involves maintaining system uptime, managing incidents, and collaborating with cross-functional teams to optimize performance.Primary Responsibilities:<ul><li>Reliability Management: Establish reliability goals and error budgets, define/monitor Service Level Indicators (SLIs), and enhance Service Level Objectives (SLOs) continuously.</li><li>Incident Management: Handle on-call responsibilities, triage and respond to incidents, execute emergency remediations, and lead post-incident reviews.</li><li>Monitoring & Operations: Actively oversee system health, develop monitoring solutions, manage logs/dashboards/alerts, and detect deviations from SLOs.</li><li>Process Optimization: Standardize incident management practices across the organization, provide training, and boost metrics like Mean Time to Detect (MTTD) and Mean Time to Resolve (MTTR).</li><li>Architecture & Planning: Map critical workflows and dependencies, offer architectural insights, and take charge of capacity planning and cost reductions.</li><li>Change Management: Design change management strategies and solutions for monitoring, disaster recovery, and gradual deployment mechanisms (i.e., canary releases).</li></ul>Essential Qualifications (Mandatory):<ul><li>5+ years of experience in SRE and/or DevOps roles within cloud-based environments.</li><li>Proficiency in modern programming languages such as Go, Rust, or Python.</li><li>Hands-on expertise in managing large-scale production systems leveraging cloud technologies (e.g., AWS, Istio, Kubernetes, Grafana).</li><li>English language skills at a business proficiency level.</li></ul>Preferred Qualifications:<ul><li>Degree in Computer Science, Electrical Engineering, or a related field (or equivalent applicable experience).</li><li>Demonstrated ability to deliver impactful results both independently and in teams.</li><li>Proficiency in Japanese at a business level.</li><li>Experience utilizing infrastructure-as-code tools like Terraform.</li></ul>Collaborative Environment: You will work in close partnership with fellow SREs, developers, Product Owners, and Product Managers to champion the reliability and operational excellence of our technical infrastructure.Reference no.: 06940-0013272620By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/V2lsbC5GaXRjaC43MjUyMi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-08-30T03:23:54Z

Software Engineer - Java/Spring/AWS for Enterprise Solutions

Tokyo,
remote
Permanent
9.0M - 15.0M JPY / Yearly
WHY THIS OPPORTUNITY IS SPECIAL<ul><li>Enterprise transformation leadership - Guide teams building solutions the world's largest insurance companies</li><li>Rapid growth trajectory - Company approaching $1B revenue with aggressive expansion plans across APAC markets</li><li>Technical innovation at scale - Oversee cloud-native microservices architecture serving hundreds of global clients</li><li>Exceptional work-life balance - 21 paid vacation days from year one plus separate sick leave allowance</li><li>Ultimate work flexibility - Work from abroad for months annually plus hybrid Tokyo office model</li></ul>Job Responsibilities<ul><li>Design and develop new capabilities for enterprise software serving hundreds of companies globally</li><li>Build enterprise applications using Java, Spring Boot, ReactJS and modern AWS-based architecture</li><li>Guide technical oversight of cloud-native platforms built with Docker, Kubernetes, and Terraform</li><li>Enhance existing products while architecting completely new solutions for regional business requirements</li><li>Participate in full development lifecycle from planning through deployment and showcasing results</li><li>Contribute to CI/CD pipelines using TeamCity, Jenkins, and Docker for streamlined delivery</li></ul>QualificationsEssential Requirements:<ul><li>Experience in enterprise software systems with expertise in data modeling and system architecture (5+ years)</li><li>Strong Java development skills using Spring, Spring Boot, JUnit, Mockito, Gradle/Maven</li><li>Experience with CI/CD tools and containerization technologies like Docker</li><li>Solid English and Japanese communication abilities for global team collaboration (daily operations conducted primarily in Japanese)</li><li>Japan work authorization (permanent resident, citizen or valid work visa)</li></ul>Bonus Points:<ul><li>ReactJS or frontend development experience</li><li>AWS, GCP or Azure cloud platform knowledge</li><li>Open door policy advocate who thrives in flat organizational structures with direct leadership access</li><li>Domain knowledge in insurance or financial services</li></ul>Location TokyoSalary9 - 15 million yen Reference Number: 06940-0013301830 By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S2hhbmcuTGUuOTY0MDguMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-09-19T06:53:48Z

Sr Backend Engineer - Build the Future of enterprise AI

Tokyo,
remote
Permanent
10.0M - 15.0M JPY / Yearly
Ready to Shape the Future of Enterprise Data Management? Join a dynamic Tokyo-based technology company that's revolutionizing how Japan's largest enterprises handle their most valuable asset: data. We're seeking an exceptional Principal Backend Engineer to lead our technical excellence while building solutions that directly impact major corporations across Japan. WHY THIS OPPORTUNITY IS SPECIALJoin a Series A funded company with strong market position in enterprise data intelligence. Your work will directly impact how major Japanese corporations make data-driven decisions. Build with a modern tech stack: Go, React, AWS, OpenSearch, DynamoDB. Tackle challenges like scalable metadata systems, real-time data pipelines, and intelligent data discovery algorithms. Solve unique problems combining human collaboration with automated intelligence - creating systems that turn organizational behaviors into actionable insights for enterprise clients. As Principal Engineer, you'll architect cutting-edge solutions while mentoring a growing engineering team, shaping both technology and culture. WHAT YOU'LL DO You'll spearhead the development of our core data intelligence platform, ensuring exceptional quality while leading technical initiatives that serve Japan's most demanding enterprise clients:Drive architectural decisions and maintain excellence standards across our engineering organization Build robust, scalable backend systems using modern technologies including Go, Python, and cloud-native architectures Mentor engineers and foster a collaborative environment where innovation thrives Work closely with product leadership, sales, and customer success teams to ensure our technology meets real business needs Champion best practices that deliver the high-quality, intuitive experiences Japanese enterprise clients expect WHAT WE'RE LOOKING FOR Essential Requirements:10+ years of backend development expertise with proven track record in system architecture 5+ years leading development teams and driving technical excellence Strong experience with enterprise software development from concept to production Proficiency in modern programming languages (Go, Python, Java, or C++ preferred) Business-level English communication skills essential Currently based in Japan or hold a valid Japanese work visaBonus Points:Enterprise client-facing software development experience Data pipeline, analytics, or AI/ML technology background Japanese language capabilities Experience with data management or engineering platforms WHY YOU'LL LOVE WORKING HEREEnjoy hybrid work arrangements with 1-2 days in our conveniently located Tokyo office, plus flexible hours that respect work-life balance. Work in an international environment where all documentation is in English, bringing together diverse perspectives and expertise. Join during a pivotal growth phase where your contributions directly shape company direction and your own professional development. Your work powers critical decisions at some of Japan's most influential corporations, contributing to the country's digital transformation. Be part of a team that values novel approaches and cutting-edge solutions in the rapidly evolving data intelligence field. THE INTERVIEW EXPERIENCE We respect your time with a streamlined process: just two comprehensive interviews focusing on technical expertise and cultural alignment, with no coding tests required. Reference Number: 06940-0013273920By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S2hhbmcuTGUuNzI3NDUuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-08-05T02:34:23Z

Software Engineer (Python)

Tokyo,
remote
Permanent
8.0M - 12.0M JPY / Yearly
About this role:<ul><li>Design, develop, test, and maintain scalable software applications</li><li>Collaborate with cross-functional teams including product, design, and QA</li><li>Participate in code reviews and ensure adherence to coding standards</li><li>Contribute to architectural decisions and technical design discussions</li><li>Implement CI/CD pipelines and automate deployment processes</li><li>Monitor system performance and troubleshoot production issues</li></ul>** Our engineer team is very international, but during interview you are expected to speak both in English and Japanese Responsibilities:<ul><li>Proficiency in Python (Django), JavaScript, and TypeScript (React.js)</li><li>Experience working with a cloud platform (preferably Microsoft Azure)</li><li>Passionate about leveraging AI to accelerate innovation, streamline processes, and drive transformative outcomes across the organization</li><li>Strong problem-solving skills and adaptability in dynamic environments</li><li>Good communication and collaboration skills across teams</li><li>Exposure to Agile/Scrum development methodologies</li><li>Experience with API design and integration (REST, GraphQL)</li></ul>Salary8M - 12M JPYLocation Tokyo Reference Number: 06940-0013283726By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi40NDQ1Mi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-08-20T07:29:46Z

SRE

Tokyo,
remote
Permanent
9.0M - 15.0M JPY / Yearly
About the RoleAs a Site Reliability Engineer (SRE) or Platform Engineer you'll be responsible for the reliability of our systems and developer experience.From day 1, you will build resilient, scalable, and highly reliable systems that solve operational challenges. This role is divided into two specializations:<ul><li>Core SRE: Implement SRE practices across the organization</li><li>Embedded SRE: Work deeply within specific development teams to improve team and product operations together</li></ul>Key Responsibilities<ul><li>Build and maintain tools and processes to automate system operations, monitoring, and management</li><li>Design and implement alerting and monitoring systems; participate in on-call rotation</li><li>Create scripts and build automation to reduce toil</li><li>Collaborate with development teams to identify and address performance bottlenecks, optimize system architecture, and respond to incidents</li><li>Design and implement solutions to improve system reliability and scalability</li></ul>Requirements<ul><li>3+ years of SRE experience</li><li>Web application or library development experience, OR experience developing automation tools and CI/CD tools using Golang, Python, or similar languages</li><li>Experience managing public cloud services (Google Cloud, AWS, or Azure) using IaC tools (Terraform, CloudFormation, Ansible, etc.)</li><li>Experience managing or operating container orchestration platforms (Kubernetes, AWS ECS, etc.)</li></ul>Preferred Qualifications<ul><li>Experience with IAM and organization management on public cloud platforms (Google Cloud, AWS, or Azure)</li><li>Experience building infrastructure and pipelines for generative AI or machine learning</li><li>Experience handling system incidents such as high server load or database throughput degradation</li><li>Practical experience with SRE concepts such as error budgets and postmortems</li><li>Knowledge of large-scale distributed systems challenges including scalability, fault tolerance, and consistency</li></ul>What We Offer<ul><li>Challenging and interesting work in a fast growing AI start-up</li><li>Collaborate with product, AI, and security teams across the organization</li><li>Shape SRE practices and platform engineering standards</li><li>Hybrid/remote-friendly work</li></ul>Location TokyoSalary9 - 15 million yen Reference Number: 06940-0013318774-----By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi43NTM1NC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-10-16T08:22:30Z

Software Engineer

Tokyo,
remote
Contract
7.0M - 9.0M JPY / Yearly
LIENT HOT BUTTONS<ul><li>Someone who can take instructions and develop independently with critical thinking - not just following orders blindly but understanding the "why" behind tasks</li><li>Team-oriented mindset - actively contributes to team success rather than only pursuing individual achievements; comfortable in a collaborative 13-person multicultural environment</li><li>Not motivated primarily by overtime pay - team policy is not to aim for zero overtime, but this isn't a role for those looking to maximize earnings through OT</li></ul>KEY REQUIREMENTS<ul><li>MUST: Mastery of at least ONE of: Java, C/C++, or Go-Lang</li><li>MUST: Database development experience</li><li>MUST: Web application development experience (both frontend and backend)</li><li>MUST: Strong team communication skills - able to build good relationships with team members</li><li>MUST: Japanese native level with conversational English OR English native with business beginner Japanese minimum</li><li>WANT: React experience</li><li>WANT: Knowledge of architectural design data, especially BIM (Building Information Modeling)</li><li>NOTE: NO experience with BIM/CIM data handling or ACC (Autodesk Construction Cloud) app development required</li></ul>TRADE-OFFS<ul><li>No architectural/BIM knowledge needed - general coding skills with FE/BE knowledge is sufficient to perform the work effectively</li><li>Not looking for senior level - mid-level developers who can work independently based on instructions are perfectly suitable</li><li>Younger candidates welcome if they have solid fundamental skills</li><li>React experience is negotiable - can be learned on the job if candidate is strong in other required areas</li></ul>PRODUCT/PROJECT/TEAMProducts/Projects:<ul><li>Building digital data infrastructure for construction projects; developing web applications that utilize 3D models (both frontend and backend); creating digital data for buildings and infrastructure based on BIM/CIM data; providing this data to logistics and mapping teams for utilization across the organization</li></ul>Tech Stack/Tools:<ul><li>Java, C/C++, Go-Lang (need proficiency in at least one), React (preferred), BIM360/ACC (Autodesk), AWS, GitHub, G Suite, Slack, MS Office suite</li></ul>Team Structure:<ul><li>13 members total - 4 Japanese nationals, remainder are foreign nationals</li></ul>Work Style:<ul><li>Full onsite work at Nihonbashi office; daily communication primarily in Japanese, but technical meetings sometimes conducted in English; collaborative team environment; documents can be in English</li></ul>CHARACTER & CULTURETeam:<ul><li>Multicultural environment (13 members with diverse nationalities); values team collaboration over individual achievement; appreciates flexibility and positive attitude toward ad-hoc tasks; technical discussions sometimes in English, daily communication in Japanese; supportive atmosphere where younger members can grow</li></ul>Location TokyoSalary7 - 9 million yen Reference Number: 06940-0013308622By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/bWljaGFlbC5oYWdlZG9ybi44NDc1My4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-10-03T01:10:45Z

Software Engineer (PHP Lead)

Tokyo,
remote
Contract
5.0M - 9.0M JPY / Yearly
CLIENT HOT BUTTONS <ul><li>AWS expertise at advisory/design level - not just operational knowledge but someone who can guide architectural decisions and provide technical consultation to the team</li><li>PHP skills matter - looking for someone with deep technical capability even if they have fewer than 5 years specifically in PHP</li><li>Bilingual communication ability specifically for coordination with Japanese-only development manager - needs business-beginner Japanese to handle technical discussions and team coordination</li></ul> KEY REQUIREMENTS <ul><li>MUST HAVE: AWS experience at technical advisory/design level (not just basic usage)</li><li>MUST HAVE: PHP skills (Laravel framework)</li><li>MUST HAVE: Japanese business-beginner level (J2) for coordination with development manager</li><li>MUST HAVE: English business conversation level (E2) for team communication</li><li>Linux setup, operation experience</li><li>NICE TO HAVE: GraphQL or REST API experience</li><li>NICE TO HAVE: Serverless development (Lambda, Functions)</li><li>NICE TO HAVE: RDB operation and tuning (MySQL, PostgreSQL)</li><li>NICE TO HAVE: Docker development environment construction</li></ul> TRADE-OFFS <ul><li>Can accept less than 5 years PHP experience if candidate has senior-level technical skills and capabilities</li><li>Flexible on start date - can wait until 2026 for the right candidate</li><li>Open to offshore candidates as long as they meet the Japanese language requirement (N2-N3 business-beginner level)</li></ul> PRODUCT/PROJECT/TEAM Products/Projects: Operating bilingual job search website supporting career transitions Tech Stack/Tools: Backend: PHP (Laravel/Phalcon), AWS ECS | Frontend: ES6, Sass, React, TypeScript, Next.js, Apollo, HTML5, CSS3 | Frontend Testing: Cypress | Database: MySQL, Amazon Aurora | Tools: Docker | Cloud: AWS | OS: macOS/Linux | Project Management: GitHub | Communication: Slack Team Structure: 5-person development team (2 junior + 2 mid-level + 1 contractor). Work Style: Team communication primarily in English. Hybrid work model with 1 day/week office attendance in Jimbocho. CHARACTER & CULTURE Company: Small-medium sized company (under 300 employees) with approximately 50% foreign staff. International and diverse workplace environment. Team: Highly international development team with multilingual environment. English is the primary team communication language, but Japanese capability needed for coordination with development manager. Mixed experience levels requiring someone who can provide technical leadership and mentorship. Reference Number: 06940-0013310500By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/bWljaGFlbC5oYWdlZG9ybi4zMDQyMi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-10-03T01:54:02Z

Technical Architect / Solution Architect

Tokyo,
remote
Permanent
10.0M - 16.0M JPY / Yearly
Job Opening: Staff Engineer / Technical Architect Division: ERP Cross-Functional Engineering / AI Strategy Office Location: Japan (Tokyo preferred; Osaka, Kyoto, Fukuoka also possible) Company Overview A leading Japanese fintech SaaS company providing a wide range of cloud services for individuals and enterprises. Its cloud-based ERP platform is a core offering, supporting accounting, payments, and business operations for mid- to large-sized enterprises. The company operates globally with engineering hubs in Japan and across Asia, and has a diverse international workforce. About the Division The ERP Cross-Functional Engineering Division was created to unify multiple ERP product teams and streamline development across the platform. Products include accounting, accounts payable, and other finance-related services. This division works closely with the AI Strategy Office, which leads efforts to embed AI across products. Together, they define architecture strategy and ensure scalability, reliability, and innovation in ERP and AI-integrated systems. The team is cross-regional and global, with about 250 engineers spread across Japan, India, Vietnam, and other locations. About the Position As a Staff Engineer / Technical Architect, you will play a critical role in shaping the architecture strategy across ERP and AI-integrated initiatives. This is a hands-on expert position (not a managerial role) where you will drive system design, guide teams, and directly contribute to infrastructure and architecture decisions. Responsibilities<ul><li>Define and execute architecture vision and strategy across ERP and AI projects</li><li>Build and lead a cross-product architect community (~10 engineers in the cross-functional unit)</li><li>Provide architectural guidance for ERP products such as accounting and payments</li><li>Mentor engineers on architecture and design practices</li><li>Lead and participate in technical design and code reviews</li><li>Collaborate with Scrum Masters and product teams to align development across multiple products</li><li>Introduce and evolve cloud infrastructure and DevOps practices</li><li>Drive AI integration into ERP systems in collaboration with the AI Strategy Office</li></ul> Required Skills <ul><li>Proven architecture and systems design expertise (distributed systems, domain-driven microservices, migrations/refactors)</li><li>Cloud infrastructure knowledge: AWS/Azure, multi-account design, VPC, IaC, cost optimization</li><li>Hands-on DevOps and infrastructure setup (introducing and leading infra projects, building environments from scratch)</li><li>Solid software development background (PM-only experience not sufficient)</li></ul> Preferred Skills<ul><li>Experience with Ruby (commonly used in ERP teams)</li><li>Security & compliance (zero-trust architectures, compliance frameworks, secret management)</li><li>Observability & reliability engineering (tracing, logging, SLO/SLA, load testing)</li><li>Mentoring and standardizing architecture across teams</li><li>AI development experience or use of AI tools in development</li></ul>Mindset<ul><li>Highly technical and hands-on expert</li><li>Able to balance deep engineering knowledge with pragmatic organizational needs</li><li>Excited about integrating AI into ERP architecture</li><li>Comfortable working in a global, distributed environment</li></ul>Language<ul><li>English: Required (global team communication)</li><li>Japanese: Not required, but helpful</li></ul>Compensation & Conditions<ul><li>Annual Salary: 10M - 16M JPY (target range for ideal candidates: 10M - 15M JPY)</li><li>Bonus: High Performance Bonus (based on evaluation and company performance)</li><li>Employment Type: Permanent employee</li><li>Work Style: Hybrid (min. 2 days/week in office, 3+ encouraged)</li><li>Work Hours: Discretionary Labor System; basic hours 9:30 - 18:30 (flexible)</li><li>Holidays: Weekends, national holidays, paid leave, seasonal leave, year-end/new year holidays</li></ul>Benefits:Full social insurance, housing/moving allowances, rent deduction, health checkups, book purchase support, corporate pension, stock ownership plan, partner service discounts (housekeeping, babysitting, language classes, etc.) Reference Number: 06940-0013282908By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuNTgzNzQuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-08-20T01:32:14Z

Petabyte-Scale Infrastructure Engineer - Build at Massive Scale

Tokyo,
remote
Permanent
9.0M - 13.0M JPY / Yearly
Join a team architecting petabyte-scale data systems that process billions of security events daily. We're building next-generation cybersecurity infrastructure using cutting-edge distributed systems technology. WHY THIS OPPORTUNITY MATTERS -Work on massive-scale systems protecting millions of endpoints globally -Fully remote position with flexible work arrangements across Japan -Use modern tech stack: Apache Flink, Kafka, ClickHouse, Rust, Go -Direct technical impact on global cybersecurity defense -Join during major product transformation with significant backing WHAT YOU'LL BUILD -Distributed data infrastructure handling billions of events with sub-second latency -Real-time streaming pipelines using Apache Flink and Kafka for threat detection -Time-series databases and data lakes optimized for security analytics -Cloud-native microservices ensuring 99.99% availability -Performance optimization across petabyte-scale workloads REQUIREMENTS Must Have: -7+ years large-scale data infrastructure experience -Apache Flink and Kafka expertise (or similar streaming platforms) -Analytical databases: ClickHouse, Druid, InfluxDB, or TimescaleDB -Programming: Rust, Go, Scala, Java, or Python -Cloud platforms: AWS, GCP, or Azure data services -Kubernetes and Docker at scale -Japan work authorization or current residency Nice to Have: -Apache Iceberg, Delta Lake experience -Airflow or Prefect orchestration -Cybersecurity or SIEM background Reference Number:06940-0013276426By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S2hhbmcuTGUuNjUyNDcuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-08-25T09:08:53Z

Vehicle Data Analysis Engineer

Tokyo,
remote
Contract
9.3M - 9.3M JPY / Yearly
About the RoleJoin a forward-thinking mobility team working on cutting-edge vehicle technologies. As a Vehicle Data Analysis Engineer, you'll dive into large-scale automotive data to uncover insights that drive innovation in safety, performance, and user experience.Key Responsibilities<ul><li>Analyze vehicle sensor and operational data to identify trends, anomalies, and improvement opportunities.</li><li>Build and maintain scalable data pipelines for collection, processing, and visualization.</li><li>Collaborate with cross-functional teams to translate data insights into product and system enhancements.</li><li>Support predictive modeling and machine learning efforts related to vehicle behavior and performance.</li><li>Ensure data quality, privacy, and compliance with industry standards.</li></ul>Qualifications<ul><li>Bachelor's or Master's degree in Computer Science, Data Science, Electrical Engineering, or related field.</li><li>Proficiency in Python, SQL, and data analysis tools (e.g., Pandas, NumPy, Scikit-learn).</li><li>Experience with cloud platforms (AWS, GCP) and big data frameworks (Spark, Hadoop) is a plus.</li><li>Familiarity with vehicle systems, CAN data, or automotive protocols is highly desirable.</li><li>Strong analytical, problem-solving, and communication skills.</li></ul>Location: Tokyo, JapanSalary: Hourly rate JPY 4,500Reference Number: 06940-0013294857By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjAxMzE3LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-09-25T02:45:30Z

Software Engineer

Tokyo,
remote
Contract
10.8M - 10.8M JPY / Yearly
Client Profile Our client is mobility technology company focused on building software platforms and infrastructure for future transportation systems.Overview We are seeking a skilled Software Engineer to join the mobile development team. In this role, you will design, implement, and enhance mobile app features with a focus on performance, stability, and user experience. You will collaborate with cross-functional teams, contribute to clean and scalable architecture, and continuously improve our codebase and development processes.Key Responsibilities<ul><li>Develop and implement mobile app features and UI using Flutter</li><li>Collaborate closely with backend, UX, and other mobile engineers in cross-functional teams</li><li>Independently or jointly develop and deliver new features</li><li>Conduct unit testing and UI regression testing to ensure app quality</li><li>Debug and fix issues to maintain app stability</li><li>Monitor app performance and identify opportunities for improvements</li></ul>Requirements<ul><li>3+ years of mobile app development experience (Android or iOS) in a professional environment</li><li>Experience with native app development (Kotlin, Swift) or Flutter (Dart)</li><li>If no Flutter experience, proven ability to quickly learn new frameworks (e.g., ReactJS, SwiftUI, Jetpack Compose)</li><li>Strong knowledge of Clean Architecture and general software architecture practices</li><li>Hands-on experience with refactoring and improving codebases</li><li>Proactive, innovative mindset with a passion for improving products and processes</li><li>Willingness to learn new technologies and share knowledge with the team</li></ul>Hourly Salary5,200 JPYLocation Tokyo Reference Number: 06940-0013287776By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjM2Nzc1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-09-17T03:43:54Z

Android Engineer

Tokyo,
remote
Permanent
10.0M - 10.0M JPY / Yearly
Job Order: 06940-0013209966 Location: Tokyo (Remote-first, but relocation to Japan required) Salary: ¥10,000,000 annually<hr data-start="317" data-end="320" /><h3 data-start="322" data-end="357">Position: Android Engineer</h3>Join a growing team focused on building cross-border payment solutions used by high-profile global platforms. As the first Android Developer in this role, you'll play a key part in shaping mobile payment products, including a new POS app, SDK, and tap-to-pay functionality.<hr data-start="634" data-end="637" /><h3 data-start="639" data-end="668">Key Responsibilities:</h3><ul data-start="670" data-end="1130"><li data-start="670" data-end="761">Develop and maintain Android-based POS and Tap-to-Pay applications and SDK using Kotlin</li><li data-start="762" data-end="853">Collaborate with product managers and engineers to define and build new mobile features</li><li data-start="854" data-end="933">Partner with backend teams to ensure seamless mobile-to-server integrations</li><li data-start="934" data-end="1032">Participate in technical design reviews and contribute to the evolution of mobile architecture</li><li data-start="1033" data-end="1130">Contribute across the tech stack when needed (flexibility with languages/frameworks encouraged)</li></ul><hr data-start="1132" data-end="1135" /><h3 data-start="1137" data-end="1158">Requirements:</h3><ul data-start="1160" data-end="1554"><li data-start="1160" data-end="1233">3+ years of professional experience in mobile application development</li><li data-start="1234" data-end="1304">Proficiency with Android SDK and mobile development best practices</li><li data-start="1305" data-end="1369">Experience integrating RESTful APIs with mobile applications</li><li data-start="1370" data-end="1434">Strong understanding of UI/UX principles and design patterns</li><li data-start="1435" data-end="1512">T-shaped developer mindset - ability to contribute across technical areas</li><li data-start="1513" data-end="1554">Collaborative, team-oriented approach</li></ul><hr data-start="1556" data-end="1559" /><h3 data-start="1561" data-end="1586">Preferred Skills:</h3><ul data-start="1588" data-end="1794"><li data-start="1588" data-end="1636">Exposure to iOS development and architecture</li><li data-start="1637" data-end="1690">Familiarity with cross-platform mobile frameworks</li><li data-start="1691" data-end="1730">Business-level Japanese proficiency</li><li data-start="1731" data-end="1794">Previous experience working in or with Japanese organizations</li></ul><hr data-start="1796" data-end="1799" /><h3 data-start="1801" data-end="1818">Benefits:</h3><ul data-start="1820" data-end="2069"><li data-start="1820" data-end="1887">Remote-first work environment with Tokyo-based office available</li><li data-start="1888" data-end="1958">10 regular paid vacation days, plus 5 summer and 5 winter holidays</li><li data-start="1959" data-end="1979">Birthday holiday</li><li data-start="1980" data-end="2038">Self-learning budget to support continuous development</li><li data-start="2039" data-end="2069">Language training (Japanese)</li></ul>By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S29qaS5ZYWdpbnVtYS4xODY0Ni4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-09-03T05:53:14Z

Software Engineer

Tokyo,
remote
Contract
11.9M - 11.9M JPY / Yearly
Ref No: 06940-0013287783 Location: Tokyo (Remote OK within Japan) Salary: ¥11,856,000<hr data-start="261" data-end="264" /><h3 data-start="266" data-end="297">What You'll Be Working On</h3>A social application with over 400,000 users (as of September 2024), focused on supporting a specific adult demographic. Built with modern AI technology and an intuitive UI/UX, the platform sees 1 match every 4 seconds and 1,000 new signups daily. It offers users a private and secure space to express concerns beyond their personal and professional environments.As a Full-Stack Web Developer, you will be responsible for designing, developing, and maintaining both new and existing features. You will collaborate with customer support and design teams to improve user experience. Strong skills in both frontend and backend development and familiarity with modern web technologies are required.<hr data-start="1016" data-end="1019" /><h3 data-start="1021" data-end="1043">Technology Stack</h3>Languages & Frameworks<ul data-start="1073" data-end="1296"><li data-start="1073" data-end="1116">TypeScript, JavaScript, Python, Node.js</li><li data-start="1117" data-end="1126">React</li><li data-start="1127" data-end="1139">DynamoDB</li><li data-start="1140" data-end="1165">Git (Version Control)</li><li data-start="1166" data-end="1197">GitHub (Project Management)</li><li data-start="1198" data-end="1223">Slack (Communication)</li><li data-start="1224" data-end="1296">Jest, Amplify, GraphQL, AWS (ALB, EC2, Cognito, Lambda, S3), SCSS, SQL</li></ul><hr data-start="1298" data-end="1301" /><h3 data-start="1303" data-end="1342">Development Environment & Culture</h3>Team & Organization<ul data-start="1370" data-end="1569"><li data-start="1370" data-end="1408">Team size: Fewer than 10 engineers</li><li data-start="1409" data-end="1457">Engineers participate in performance reviews</li><li data-start="1458" data-end="1507">Monthly career check-ins with managers or CTO</li><li data-start="1508" data-end="1569">Engineers earning ¥8M+ annually without management duties</li></ul>Technical Culture<ul data-start="1595" data-end="1750"><li data-start="1595" data-end="1646">Engineers involved in executive decision-making</li><li data-start="1647" data-end="1700">Engineering leadership with technical backgrounds</li><li data-start="1701" data-end="1750">English communication opportunities available</li></ul>Developer Autonomy<ul data-start="1777" data-end="2079"><li data-start="1777" data-end="1830">End-to-end responsibility: design, build, operate</li><li data-start="1831" data-end="1887">Engineers drive technical debt and tool improvements</li><li data-start="1888" data-end="1925">Freedom to choose OS, editor, IDE</li><li data-start="1926" data-end="1964">Engineers estimate their own tasks</li><li data-start="1965" data-end="2013">Iterative development with flexible schedule</li><li data-start="2014" data-end="2079">Tech stack kept up-to-date (within 1 year of latest versions)</li></ul>Quality Assurance<ul data-start="2105" data-end="2323"><li data-start="2105" data-end="2151">Mandatory code reviews or pair programming</li><li data-start="2152" data-end="2191">Shared coding standards across team</li><li data-start="2192" data-end="2229">Multi-environment quality testing</li><li data-start="2230" data-end="2264">Continuous deployment/delivery</li><li data-start="2265" data-end="2323">Pull request-based workflows with full version control</li></ul><hr data-start="2325" data-end="2328" /><h3 data-start="2330" data-end="2355">Scale & Performance</h3><ul data-start="2356" data-end="2465"><li data-start="2356" data-end="2388">Concurrent users: thousands+</li><li data-start="2389" data-end="2431">DB tables: tens of millions of records</li><li data-start="2432" data-end="2465">High traffic: thousands of RPS+</li></ul><hr data-start="2467" data-end="2470" /><h3 data-start="2472" data-end="2494">Work Environment</h3><ul data-start="2495" data-end="2668"><li data-start="2495" data-end="2528">Full remote work within Japan</li><li data-start="2529" data-end="2553">Mid-day break system</li><li data-start="2554" data-end="2626">Family-friendly: team includes engineers with preschool-age children</li><li data-start="2627" data-end="2668">Flextime or discretionary work system</li></ul><hr data-start="2670" data-end="2673" /><h3 data-start="2675" data-end="2699">Benefits & Support</h3><ul data-start="2700" data-end="2845"><li data-start="2700" data-end="2765">Conference participation supported (tickets + business trips)</li><li data-start="2766" data-end="2809">Preferred-spec PC and displays provided</li><li data-start="2810" data-end="2845">Open to new graduate developers</li></ul><hr data-start="2847" data-end="2850" /><h3 data-start="2852" data-end="2877">Required Experience</h3>Must-Have<ul data-start="2895" data-end="3055"><li data-start="2895" data-end="2923">Performance optimization</li><li data-start="2924" data-end="2950">Remote work experience</li><li data-start="2951" data-end="2989">Feature enhancements and additions</li><li data-start="2990" data-end="3027">Release and deployment operations</li><li data-start="3028" data-end="3055">New feature development</li></ul>Nice-to-Have<ul data-start="3076" data-end="3231"><li data-start="3076" data-end="3112">Bug identification and reporting</li><li data-start="3113" data-end="3139">Refactoring experience</li><li data-start="3140" data-end="3187">Experience with large-scale traffic systems</li><li data-start="3188" data-end="3231">Load balancing and scalability planning</li></ul>By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/c2Fvcmkua29kYWthLjEwOTQ5LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-09-19T01:57:22Z

Software Engineer (Frontend)

Japan,
remote
Contract
5.0M - 7.0M JPY / Yearly
CLIENT HOT BUTTONS · Native-level Japanese communication for requirement discussions with Japanese enterprise customers · Full-stack mindset who can handle both frontend leadership and backend contributions to support rapid client delivery · TypeScript expertise as the core development language across all client projects · Agile-experienced engineer who can lead frontend development while adapting to client-specific requirements KEY REQUIREMENTS · 5+ years frontend engineering experience (MUST HAVE) · TypeScript and Next.js development experience (MUST HAVE) · Native-level Japanese proficiency for customer requirement discussions (MUST HAVE) · Basic backend development experience for full-stack contributions · Agile development experience · Japan resident with ability to work 9AM-6PM JST · Remote work capability with proactive communication skills TRADE-OFFS · Can accept basic backend experience if frontend leadership skills are strong · Will consider slightly less than 5 years experience if candidate has exceptional Next.js/TypeScript skills PRODUCT/PROJECT/TEAM Products/Projects: Professional Services division building customized web applications for enterprise clients using client's Platform (Headless ERP). Leading frontend development for client-specific business system implementations. Tech Stack/Tools: Next.js, TypeScript, Go, CUE, cel-go, Playwright, vitest, Docker, Terraform, Datadog, Auth0, GitHub Copilot, WebStorm, GoLand Team Structure: Small international team with 2 foreign engineers, growing Professional Services division Work Style: Agile development, fully remote with flexible hours, focus on client delivery and rapid iteration CHARACTER & CULTURE Company: Mission-driven startup focused on "democratizing product development" with innovative Headless ERP solutions for large enterprises. Values intellectual curiosity, ownership mindset, and open constructive feedback. Team: Small, collaborative team environment requiring proactive communication and self-starter attitude. Growing division with increasing client interaction opportunities.By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/bWljaGFlbC5oYWdlZG9ybi4xNjE4Ny4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-10-03T01:14:44Z

AI Engineer

Tokyo,
remote
Permanent
10.0M - 10.0M JPY / Yearly
Company ProfileA leading innovator in construction solutions is expanding its capabilities in Artificial Intelligence to enhance products and services through cutting-edge technologies. You will be joining a rapidly growing AI division within the Data Value Creation Group. This team analyzes industry challenges, identifies innovative data-driven solutions, and develops state-of-the-art AI technologies both in-house and with external partners-pushing the boundaries of what's possible in the construction sector.The Role In this role, you will:<ul><li>Identify and address technical challenges in areas related to Smart Construction, both within the company and for clients</li><li>Collaborate with AI specialists and cross-functional teams to design and implement AI, ML, or optimization-based solutions</li><li>Contribute to spreading AI literacy throughout the organization</li><li>Participate in the full lifecycle of AI solutions, from ideation and research to deployment</li></ul>Mandatory Requirements<ul><li>Master's degree in Deep Learning, Machine Learning, Data Science, Artificial Intelligence, Computer Science, or a related field with at least 2 years of experience building ML models OR PhD in a relevant field with related thesis/publications</li><li>Solid understanding of modern ML technologies, models, and methods</li><li>Strong foundation in data analytics</li><li>Hands-on experience with Python, PyTorch, and other modern ML libraries</li><li>Ability to understand academic research papers and translate insights into practical applications</li><li>Strong technical communication skills in English</li></ul>Preferred Qualifications<ul><li>Industrial or academic experience with Point Clouds/NERFs, Diffusion Models, Transformers, Deep Reinforcement Learning, or Evolutionary Algorithms</li><li>Experience designing, building, or optimizing models in the above areas</li><li>Familiarity with cloud platforms such as AWS, GCS, or Azure</li><li>Experience packaging and deploying ML models</li><li>Background or interest in civil engineering</li></ul>Ideal Candidate Profile<ul><li>Motivated to solve social and industry-wide challenges</li><li>Intellectually curious, eager to learn new technologies</li><li>Excited to take on ambitious challenges and transform the industry</li><li>Interested in applying AI to create value in Japan and globally</li><li>Internationally minded and open to living in/around Tokyo </li></ul>Salary 10M JPYLocationTokyo Reference Number: 06940-0013206595By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/c3VlLnRpbmcuNjI5MzMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-09-01T05:57:59Z

Software Engineer (Fullstack)

Tokyo,
remote
Contract
7.0M - 9.5M JPY / Yearly
CLIENT HOT BUTTONS<ul><li>Team culture fit - someone who works well in collaborative environments</li><li>Open to feedback - actively seeks and incorporates input from team members</li><li>Can articulate thought process - able to explain technical decisions and reasoning clearly</li></ul>KEY REQUIREMENTS<ul><li>5+ years web development experience</li><li>2+ years TypeScript and React experience</li><li>Web based full stack engineer (react / nodejs)</li><li>2+ years UI testing tools (Cypress) and API experience</li><li>1+ years NodeJS or similar server technologies</li><li>Deployment infrastructure experience (AWS/GCP/Docker)</li><li>Full stack development with databases (PostgreSQL, MongoDB)</li><li>Source control (GitHub/GitLab) and CI/CD experience</li><li>No Japanese language requirement</li></ul>PRODUCT/PROJECT/TEAMProducts/Projects:<ul><li>AI Platform - a platform for AI growth, simplifying training, inference, MLops. Building safety, convenience and autonomy for automotive vehicles. The Portal is the primary interaction mode for all users.</li></ul>Tech Stack/Tools:<ul><li>TypeScript, React, NodeJS, AWS/GCP, Docker, PostgreSQL, MongoDB, Cypress, GitHub/GitLab</li></ul>Work Style:<ul><li>Hybrid 3x/week in office, collaborative development with PM and other engineers</li></ul>Location TokyoSalary7 - 9.5 million yen Reference Number: 06940-0013308616----- By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/bWljaGFlbC5oYWdlZG9ybi4yODk4Mi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-10-03T04:30:21Z

Software Engineer (Experienced) - Python, Java, PHP

Tokyo,
remote
Permanent
8.0M - 10.0M JPY / Yearly
Position Overview Depending on your experience, you will be involved in a range of responsibilities, including: <ul><li>New development and feature enhancement of core systems (e.g., contract, billing, and payment management) </li><li>Design and development of new web services and APIs, including UI/UX improvements </li><li>Backend API development and modification for mobile applications </li><li>System planning for new business initiatives, requirement analysis, and QCD management </li><li>Full-cycle involvement from system and infrastructure design through development, testing, and operations/maintenance </li><li>Working in a hybrid internal/external development team structure, selecting the best technologies and team composition per project. You'll also participate in deciding tech stacks and architecture. </li></ul><hr /><h4>Work Environment</h4><ul><li>Team Size: Approx. 30 members </li><li>Technologies: AWS (ECS, Lambda, etc.), Docker, Laravel, Spring, Flutter, Terraform, Datadog </li><li>Working Hours: 9:00-18:00 (flexible hours available); some overtime </li><li>Work Style: 5-day workweek (weekends and national holidays off); 124 annual holidays; childcare and caregiving support systems available </li><li>Location: Office near Ueno Station (Tokyo) </li></ul><hr /><h4>What We're Looking For</h4><ul><li>5+ years of experience in web system and API development (using PHP or Java) </li><li>Experience developing in cloud environments </li><li>Skills in designing with performance and scalability in mind </li><li>Proactive problem-solver with a hands-on attitude toward improvement in team development </li><li>Curiosity and enthusiasm for learning new technologies </li></ul>Preferred qualifications include: <ul><li>Knowledge of AWS </li><li>Experience leading small teams </li><li>Experience setting up CI/CD pipelines </li><li>Background in energy-related system development </li></ul><hr /><h4>Career Paths</h4>You'll have the opportunity to grow not only as a technical expert but also in roles such as project management, system planning, or people management. Many of our current managers started as engineers, and we offer an environment where you can grow on both technical and business fronts. <hr />Annual Salary: ¥8,000,000 - ¥10,000,000 Reference Number: 06940-0013260037 By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuMjIyMTYuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-08-25T08:35:15Z

Software Engineer (Java)

Tokyo,
remote
Contract
5.0M - 10.0M JPY / Yearly
KEY REQUIREMENTS<ul><li>Japanese N3 level or above required</li><li>3+ years application development experience using COBOL or JAVA/JS</li><li>3+ years database application development experience (any type)</li><li>Flexible thinking without being fixated on specific business domains or technologies</li><li>Understanding of user-side operations and ability to cooperate actively</li><li>Can handle everything from requirements definition to coding and testing</li></ul>PRODUCT/PROJECT/TEAM<ul><li>Products/Projects: Digital transformation initiatives for paperless operations, labor-saving measures, and automation. System modifications across various business domains including underwriting, policy management, claims payment, agent management, and data infrastructure.</li><li>Tech Stack/Tools: Multiple environments - YPS/COBOL on Linux/OpenFrame, COBOL on IBM i (AS/400), Java/JavaScript with Spring Boot on Azure. Tools include Oracle, SQL Server, ETL, ESB, HULFT, JP1, ListWorks, FORM.</li><li>Team Structure: IT Service Delivery Departments 1-3, total organization size 50-60 people. Different departments handle different business domains (operations, agent management, open systems).</li><li>Work Style: Waterfall and Agile development methodologies. Hybrid work system with office/remote flexibility.</li></ul>CHARACTER & CULTURE<ul><li>Company: Customer-led and tech-enabled approach. Values include sharing corporate values, thinking outside the box, taking on challenges, and executing what they believe is right. Vision of changing the way people feel about insurance.</li><li>Team: Cooperative environment where team members actively promote initiatives together. Flexible career design possible with paths toward both management and specialist roles. Job Posting system allows internal applications across the company.</li></ul>Location TokyoSalary5 - 10 million yen Reference Number: 06940-0013293972By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/bWljaGFlbC5oYWdlZG9ybi4zNjYwNi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-09-09T06:19:33Z