28 results for Sdet in Tokyo, Tōkyō

Data Engineer

Tokyo,
remote
Contract
8.1M - 8.1M JPY / Yearly
JO: 06940-0013310510 Location: Tokyo Annual Salary: Around ¥8,112,000Department Overview: The department manages and provides master data across multiple business units, delivering value through data-driven development. It also develops solutions for generating and assigning master data, supporting a variety of use cases.Position Outline: This position is an engineering role within the Product Master Group, responsible for managing standardized product data to enable end-users to search and interact with structured information more efficiently.Responsibilities:<ul data-start="699" data-end="911"><li data-start="699" data-end="822">Full-stack responsibility for data infrastructure and products, including design, development, testing, and operations.</li><li data-start="823" data-end="911">For experienced candidates: contribute to requirements definition and system design.</li></ul>Required Skills:<ul data-start="936" data-end="1714"><li data-start="936" data-end="1036">4+ years of professional experience in Data Engineering or Software Engineering focusing on data</li><li data-start="1037" data-end="1107">Strong proficiency in Java and Spring Boot (version 1.8 or higher)</li><li data-start="1108" data-end="1187">Experience with unit testing (e.g., JUnit) and performance-conscious coding</li><li data-start="1188" data-end="1248">Experience creating batch applications using Spring Boot</li><li data-start="1249" data-end="1337">Experience with relational databases (e.g., MySQL) and NoSQL databases (e.g., HBase)</li><li data-start="1338" data-end="1427">Solid understanding of database schema design, SQL tuning, and performance evaluation</li><li data-start="1428" data-end="1566">Experience with cloud platforms (AWS, GCP, Azure) and related services (e.g., Dataflow, Dataproc, Cloud Functions, Bigtable, BigQuery)</li><li data-start="1567" data-end="1630">Experience with Linux operating systems and shell scripting</li><li data-start="1631" data-end="1714">Experience working in a team environment and collaborating on design and coding</li></ul>Preferred Skills:<ul data-start="1740" data-end="1993"><li data-start="1740" data-end="1824">Experience with large-scale data processing systems (e.g., Apache Spark, Hadoop)</li><li data-start="1825" data-end="1875">Experience with API development (RESTful APIs)</li><li data-start="1876" data-end="1952">Experience with containerization technologies (e.g., Docker, Kubernetes)</li><li data-start="1953" data-end="1993">Experience with TypeScript or Python</li></ul>Language Requirements:<ul data-start="2024" data-end="2099"><li data-start="2024" data-end="2052">Japanese: Conversational</li><li data-start="2053" data-end="2099">English: Business level (e.g., TOEIC 800+)</li></ul>Contract Terms:<ul data-start="2123" data-end="2212"><li data-start="2123" data-end="2212">Initial contract: 2 months, with 3-month extensions expected for long-term employment</li></ul>Working Hours & Holidays:<ul data-start="2246" data-end="2328"><li data-start="2246" data-end="2291">Weekdays: 9:00-17:30 (Break: 12:00-13:00)</li><li data-start="2292" data-end="2328">Weekends and public holidays off</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/c2Fvcmkua29kYWthLjU3MzU2LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-10-30T08:18:18Z

Software Engineer

Tokyo,
remote
Contract
9.4M - 9.4M JPY / Yearly
Location: Tokyo JO: 06940-0013313061 Annual Salary: JPY 9,360,000<h3 data-start="177" data-end="205">Position Overview:</h3>Handle technical support requests, triage problems, basic troubleshooting, and update the support knowledge base. Manage customer requirements, monitor progress, and communicate with internal teams.<h3 data-start="406" data-end="437">Key Responsibilities:</h3><ul data-start="438" data-end="660"><li data-start="438" data-end="492">Support request handling and basic troubleshooting</li><li data-start="493" data-end="519">Knowledge base updates</li><li data-start="520" data-end="574">Customer requirement tracking and status reporting</li><li data-start="575" data-end="603">System integration tasks</li><li data-start="604" data-end="631">Access right management</li><li data-start="632" data-end="660">Internal team coordination</li></ul><h3 data-start="662" data-end="688">Required Skills:</h3><ul data-start="689" data-end="825"><li data-start="689" data-end="714">Experience in C++</li><li data-start="715" data-end="748">ECU knowledge (preferred)</li><li data-start="749" data-end="782">System integration experience</li><li data-start="783" data-end="825">Basic hardware knowledge (preferred)</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/VG9tb2UuTW91bnRlZXIuNjk1MjguMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-10-31T03:34:42Z

Site Reliability Engineer (SRE)

Tokyo,
remote
Contract
10.8M - 10.8M JPY / Yearly
Company ProfileMobility-focused technology subsidiary of a major Japanese automotive manufacturerThe RoleThis role is critical in accelerating production readiness by bringing external SRE expertise, improving operational maturity, and enabling the engineering team to adopt industry best practices. You will play a hands-on role in on-call operations, incident response, observability, and continuous improvement while elevating the team's operational knowledge.<ul><li>Knowledge Transfer & Training: Share SRE best practices, train engineers, establish effective on-call structures, and support tool selection (e.g., PagerDuty).</li><li>On-Call Operations: Serve as the first responder for daily alerts and user inquiries, drive root-cause identification, and escalate appropriately.</li><li>Alert Optimization: Improve alert quality, reduce noise, and ensure accurate and actionable signals.</li><li>Incident Management: Lead incident response, run post-mortems, and implement preventive measures across the organization.</li><li>Monitoring & Reliability: Define and optimize SLOs/SLIs, enhance monitoring systems, and elevate reliability practices.</li><li>Cross-Functional Collaboration: Communicate clearly with SRE, infra, data, and service teams to drive operational alignment.</li><li>Documentation: Build and maintain structured SoPs and runbooks.</li><li>Continuous Improvement: Enhance alerting, operations, and observability (o11y) maturity.</li><li>Security Integration: Incorporate security and compliance into all operational workflows.</li><li>Tooling & Innovation: Evaluate and introduce new technologies that improve efficiency and reliability.</li></ul>LocationTokyoSalary5,210 yen / Hour Reference Number: 06940-0013331590By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/YXJ5YS5wYW11bmdrYXMuMzg0NzMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-12-02T06:50:24Z

Software Engineer

Tokyo,
remote
Permanent
9.5M - 9.5M JPY / Yearly
Company ProfileA Japanese subsidiary of the global cybersecurity firm. it operates independently in Japan. The Role<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> Your Skills <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> Location Tokyo Salary9.5 million yen Reference Number: 06940-0013356214 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/S29qaS5ZYWdpbnVtYS44ODc1Ny4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2026-01-14T02:31:15Z

Data Engineer

Tokyo,
remote
Contract
7.9M - 7.9M JPY / Yearly
Location: Tokyo JO: 06940-0013315515 Annual Salary: JPY 7,904,000<h4 data-start="266" data-end="297">Department Overview:</h4>The Data Lakehouse Section is responsible for providing scalable Lakehouse platform solutions to support the business and operations of the organization. Our mission is to accelerate the use of data by providing flexible platforms that can host a wide range of data solutions.<h4 data-start="576" data-end="605">Position Overview:</h4>This position is focused on developing and managing data warehouse solutions using a Lakehouse platform on Azure. The role involves understanding business requirements, implementing data solutions, and supporting daily operations for the platform.<h4 data-start="855" data-end="887">Key Responsibilities:</h4><ul data-start="888" data-end="1306"><li data-start="888" data-end="1000">Develop and manage data warehouse solutions for business operations using Databricks and other relevant tools.</li><li data-start="1001" data-end="1088">Implement business requirements into the platform and ensure smooth daily operations.</li><li data-start="1089" data-end="1152">Design, implement, and optimize data pipelines and workflows.</li><li data-start="1153" data-end="1236">Collaborate with internal teams to troubleshoot and enhance platform performance.</li><li data-start="1237" data-end="1306">Support continuous improvement initiatives for data infrastructure.</li></ul><h4 data-start="1308" data-end="1335">Required Skills:</h4><ul data-start="1336" data-end="1770"><li data-start="1336" data-end="1397">3+ years of development experience, preferably with Python.</li><li data-start="1398" data-end="1471">Experience working with public cloud platforms (e.g., GCP, AWS, Azure).</li><li data-start="1472" data-end="1545">Proficiency in Databricks or similar platforms for big data processing.</li><li data-start="1546" data-end="1638">Ability to write clean, production-level code that is maintainable and easy to understand.</li><li data-start="1639" data-end="1770">Experience with common machine learning frameworks (e.g., TensorFlow, PyTorch) and libraries (e.g., scikit-learn, NumPy, pandas).</li></ul><h4 data-start="1772" data-end="1800">Preferred Skills:</h4><ul data-start="1801" data-end="2700"><li data-start="1801" data-end="1913">Experience with the deployment and training of machine learning models and MLOps tools (e.g., MLFlow, Seldon).</li><li data-start="1914" data-end="1979">Experience with RESTful APIs and batch processing applications.</li><li data-start="1980" data-end="2120">Familiarity with the full software development lifecycle, including agile development practices and using task management tools like JIRA.</li><li data-start="2121" data-end="2206">Experience with microservice development and operation using Docker and Kubernetes.</li><li data-start="2207" data-end="2282">Knowledge of big data technologies such as Spark, Kafka, Delta Lake, etc.</li><li data-start="2283" data-end="2352">Experience with data modeling and observability of data and models.</li><li data-start="2353" data-end="2418">Experience with production engineering practices such as CI/CD.</li><li data-start="2419" data-end="2464">Performance profiling and tuning expertise.</li><li data-start="2465" data-end="2550">Experience in developing distributed, scalable, and high-availability applications.</li><li data-start="2551" data-end="2630">Understanding of GPU-based applications, machine learning, and deep learning.</li><li data-start="2631" data-end="2700">Experience with orchestration tools such as Airflow, Kubeflow, etc.</li></ul><h4 data-start="2702" data-end="2732">Personal Qualities:</h4><ul data-start="2733" data-end="2968"><li data-start="2733" data-end="2789">Strong problem-solving skills and analytical thinking.</li><li data-start="2790" data-end="2849">Ability to collaborate effectively in a team environment.</li><li data-start="2850" data-end="2898">Eagerness to learn and apply new technologies.</li><li data-start="2899" data-end="2968">Goal-oriented and results-driven with a focus on achieving success.</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/c2Fvcmkua29kYWthLjAwNjIxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-10-31T03:07:20Z

Tech Lead

Tokyo,
remote
Permanent
15.0M - 15.0M JPY / Yearly
Key Skills & Requirements<ul data-start="112" data-end="623"><li data-start="112" data-end="255">Programming: Strong experience in languages such as C++ and C#, with practical knowledge of popular game engines like Unity and Unreal.</li><li data-start="256" data-end="366">Analytical Thinking: Ability to approach technical problems methodically and find effective solutions.</li><li data-start="367" data-end="482">Collaboration: Skilled at communicating and working closely with team members across different disciplines.</li><li data-start="483" data-end="623">Game Development Expertise: Hands-on experience covering all stages of game creation, from initial concept through to final release.</li></ul> JO: 06940-0013354999Location: TokyoAnnual Salary: JPY 15,000,000<img src="https://counter.adcourier.com/aXNhYWMuY2hlbmcuMDk1MjAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-01-15T08:27:51Z

Back End Engineer

Tokyo,
remote
Permanent
12.0M - 17.0M JPY / Yearly
Build Critical Trading Infrastructure | Modern C++ | Tokyo Hybrid Company Profile 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. The Role * You'll architect and develop market connectivity infrastructure using modern C++17/C++20, working on greenfield projects rather than maintaining legacy systems * Drive the technical migration from older Java-based platforms to cutting-edge C++ architecture, making architectural decisions that impact the entire APAC region * Own full delivery cycles. From analyzing requirements with business stakeholders through design, development, testing, and production support * Solve complex challenges in FIX protocol implementation, TCP/IP networking, and multi-threaded systems that serve multiple institutional clients * Work within a lean global team in APAC where your contributions have direct visibility to senior leadership * Participate in code reviews, mentor team members, and shape platform architecture for the APAC expansion initiative * Provide technical estimates and act as the go-to technical resource for business requirements and delivery planning Your Skills Essential Requirements: * Expertise in modern C++ development (C++17 minimum, C++20 strongly preferred) with 6+ years of professional experience * Deep knowledge of TCP/IP networking, socket programming, and multi-threading in production environments * Strong foundation in data structures, algorithms, and the C++ standard library applied to performance-sensitive systems * Problem-solving ability that focuses on finding elegant solutions rather than memorizing syntax * Experience with Linux/Unix systems and understanding of network protocols at a low level * English proficiency for global team collaboration (Japanese language skills are not required) * Valid work authorization to work in Japan (No visa sponsorship) Welcome Experience (Finance background is NOT required): * Hands-on experience with FIX protocol or financial market connectivity platforms * Background in gaming backend development (multiplayer networking, real-time systems) * Telecom or infrastructure engineering with high-performance networking focus * Previous work in low-latency optimization (though not nanosecond-level HFT) * Experience collaborating in global team structures across multiple regions Key Highlights of the Role * Work on greenfield C++ projects with modern standards. You'll be building new systems, not debugging 20-year-old codebases * Join at the ground floor of APAC regional expansion, giving you high impact and visibility in a critical infrastructure initiative * Benefit from hybrid flexibility (3 days office / 2 days remote after onboarding) in Tokyo * Small team size means every contribution matters. You'll directly influence platform direction serving multiple institutional clients * Open to diverse technical backgrounds: gaming engineers, telecom developers, and distributed systems specialists are actively encouraged to apply * Enjoy recognition and career progression typically associated with Western financial institutions while working in Tokyo Apply Confidentially Send your CV with subject line "C++ Connectivity Engineer - Tokyo" All applications handled with complete confidentiality. Whether actively looking or simply exploring, your privacy is respected throughout the process.Location TokyoSalary 7 - 10 million yen Reference Number: 67040-0013364709 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/S2hhbmcuTGUuMDIwNTYuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-01-16T00:11:36Z

Back End Engineer

Tokyo,
remote
Permanent
9.0M - 15.0M JPY / Yearly
Company ProfileGlobal 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. The Role<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> Your Skills Essential Requirements:<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>Welcome Experience:<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> Key Highlights of the Role <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> Apply ConfidentiallySend 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. Location Tokyo Salary9 - 15 million yen Reference Number: 06940-0013358136 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/S2hhbmcuTGUuNjk4MzQuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2026-01-06T00:28:59Z

QA Engineer

Tokyo,
remote
Permanent
9.0M - 11.0M JPY / Yearly
Company ProfileLeading fintech company providing cloud-based financial management solutions for businesses and personal finance applications for individuals across Japan. We're transforming how people and organizations manage their financial operations through innovative technology and agile development practices. The Role<ul><li>As our services expand rapidly with new products and features, we need to strengthen our quality assurance capabilities while maintaining development speed.</li><li>You will be responsible for building and implementing automated testing frameworks to ensure quality within our agile development cycles.</li><li>Design and execute test automation strategies using tools like Selenium to improve test coverage and efficiency.</li><li>Implement Chaos Engineering and other advanced methodologies for non-functional testing.</li><li>Establish quality metrics and drive upstream quality assurance practices across development teams.</li><li>Collaborate with engineering teams based in Japan, India, and Vietnam on cross-border projects.</li><li>Holding Valid working visa in Japan.</li></ul> Your Skills <ul><li>Minimum 3 years of development experience or test automation experience using scripting languages.</li><li>ISTQB Advanced Level certification or equivalent knowledge required.</li><li>Bachelor's degree in Information Processing, Computer Science, or equivalent qualification (e.g., Information Technology Engineer Examination).</li><li>Japanese proficiency at basic/daily conversation level (able to conduct interviews using a mix of Japanese and English).</li><li>Business-level English proficiency (TOEIC 700+ or equivalent) for global project collaboration.</li></ul> Key Highlights of the Role <ul><li>Shape quality engineering practices in a fast-growing fintech environment where your work directly impacts thousands of users.</li><li>Work with cutting-edge automation tools and methodologies including Selenium and Chaos Engineering.</li><li>Join a multicultural, global team spanning Japan, India, and Vietnam with diverse technical perspectives.</li><li>Be part of an agile organization that values innovation, speed, and continuous improvement in both product and process.</li></ul> Location Tokyo Salary9 - 11 million yen Reference Number: 06940-0013359935 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjIyMTQxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2026-01-08T07:57:43Z

DevOps

Tokyo,
remote
Permanent
10.0M - 12.0M JPY / Yearly
Company ProfileA global software company providing cloud-based Product Lifecycle Management (PLM) solutions to major manufacturers in aerospace, automotive, and technology industries is looking for a Site Reliability Engineer in Tokyo. The Role<ul><li>Build and manage cloud systems on Microsoft Azure for enterprise customers.</li><li>Automate routine tasks to make operations more efficient using modern DevOps tools.</li><li>Work with DevOps, support, and development teams to keep services running smoothly.</li><li>Fix technical issues related to security, performance, and system availability.</li><li>Set up cloud environments across different regions and help customers when they need support.</li></ul> Your Skills <ul><li>Experience with cloud platforms (Azure preferred), Docker, and Kubernetes.</li><li>Good understanding of networks: firewalls, load balancers, VPNs.</li><li>Experience running large-scale production systems.</li><li>Familiar with tools like Git, PowerShell, Terraform, and CI/CD pipelines.</li><li>Strong problem-solving abilities and willingness to learn.</li><li>"Infrastructure as code" mindset-automating everything possible.</li></ul> Key Highlights of the Role<ul><li>Use modern cloud technologies in a hybrid work environment (office + remote).</li><li>Support global manufacturing leaders with critical business systems.</li><li>Work with an innovative team that values automation and continuous improvement.</li><li>Career growth opportunities from entry to senior levels based on your experience.</li><li>Join a collaborative, technology-focused workplace.</li><li> </li></ul>Location Tokyo Salary10 - 12 million yen Reference Number: 06940-0013340443By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjc3NTg3LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-11-25T06:42:29Z

Back End Engineer

Tokyo,
remote
Permanent
8.0M - 11.0M JPY / Yearly
Company ProfileA post-IPO tech company in the hospitality industry The Role<ul><li>Lead migration to Service-Oriented Architecture-define domain boundaries, design APIs, select tech stack</li><li>Own full software lifecycle-launch strategies, zero-downtime deployments, observability implementation</li><li>Translate vague product requirements into technical specs, identifying implicit constraints</li><li>Design database schemas for performance, scale, and consistency in distributed payments/bookings</li></ul>Your Skills <ul><li>Proficiency in statically typed languages (Go, Kotlin, Scala, Rust, C#) with strong async/concurrent programming skills</li><li>Experience building SOA services and refactoring legacy monoliths</li><li>Hands-on CI/CD and zero-downtime deployment experience</li><li>Knowledge of scalable databases (Cassandra, AWS Aurora)</li><li>Expertise with observability tools (Datadog, Grafana, Prometheus)</li></ul> Location Tokyo Salary8 - 11 million yen Reference Number: 06940-0013343690 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi43MzM0OS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-12-01T05:58:25Z

IT Consultant

Tokyo,
remote
Contract
20.0M - 20.0M JPY / Yearly
Company ProfileA global consulting firm specializing in business and technology solutions, helping organizations improve performance, manage risk, and achieve sustainable growth. The Role<ul><li>As an IT Consultant, you will work closely with clients to assess their technology needs, design and implement solutions, and ensure alignment with business objectives.</li></ul> Your Skills <ul><li>Minimum 3+ years of experience in IT consulting or technology advisory.</li><li>Strong understanding of IT infrastructure, cloud technologies, and cybersecurity principles.</li><li>Experience with ERP systems, system integration, and digital transformation projects.</li></ul> Location Tokyo Salary10,000 yen hourly Reference Number: 06940-0013342829 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/bHVrZS5mdXJuaXZhbC4xNzgzOS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-12-16T03:46:35Z

Back End Engineer

Tokyo,
remote
Permanent
8.0M - 15.0M JPY / Yearly
Company Profile Innovative SaaS provider delivering a collaborative corporate management platform that centralizes budgeting, forecasting, headcount planning, and investment management for modern enterprises is seeking a Software Engineer to lead new product development.The Role<ul><li>Lead technical development for a brand-new business in the corporate management domain, working from 0→1.</li><li>Collaborate closely with Product Managers to validate customer needs and translate strategic vision into technical solutions.</li><li>Drive MVP design, architecture, implementation, and rapid iteration based on real customer feedback.</li><li>Own end-to-end product development: planning, design, implementation, and testing.</li><li>High-impact role with direct influence on product direction and business growth.</li></ul>Your Skills<ul><li>5+ years of web development experience.</li><li>Strong Ruby on Rails expertise.</li><li>Proven experience in architecture design and technical leadership.</li><li>0→1 product development experience is essential.</li><li>N2+ Japanese proficiency required.</li></ul>Key Highlights of the Role<ul><li>Join a mission-driven company unlocking corporate growth potential through technology (~140 employees).</li><li>Build a greenfield product with high ownership and autonomy.</li><li>Work in a product-focused team environment with experienced corporate planning consultants.</li><li>Enjoy full remote work with flextime (core hours 10:00-15:00).</li><li>Competitive salary: 8M-15M JPY with full social insurance and standard holidays.</li></ul>Location Tokyo Salary 8 - 15 million yen Reference Number: 06940-0013337722By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjIwMzI2LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-11-20T02:58:42Z

IT Consultant

Tokyo,
remote
Contract
9.0M - 9.1M JPY / Yearly
Security Governance<ul><li>Security Education: Support security awareness measures targeting risks associated with the use of generative AI, such as information leaks, unauthorized data entry, and model abuse. We create educational content, plan and implement employee training, assess understanding, and propose improvements.</li><li>NIS2 Directive Compliance: Evaluate governance, risk management, incident reporting systems, supply chain security, and more. Implement management measures, operational processes, and management responsibility systems based on NIS2 requirements.</li></ul>Engineering<ul><li>Device authentication: Utilizes device certificates, MDM integration, and hardware-based identification information (TPM, etc.) to help prevent access from unauthorized or unregistered devices.</li><li>Strengthening remote access security: Based on zero trust, supports the implementation of MFA, device authentication, network isolation, and access control policy optimization.</li><li>Strengthening security of AD domain and PC local administrator privileges: Minimizing privileged accounts, deleting unnecessary accounts, protecting authentication information, and centralizing local administrator password management using LAPS, etc. Support for reducing the risk of privilege abuse and authentication information leakage.</li></ul>Application<ul><li>Strengthening authentication methods: Review authentication methods and help reduce the risk of unauthorized logins and credential leaks.</li><li>Support for strengthening cloud security: Support for the implementation and operation of CSPM. Detecting configuration errors, visualizing compliance violations, vulnerability management, continuous monitoring, etc.</li><li>Support for standardizing password and secret management and implementing remote support solutions: Protecting privileged accounts and application secrets, implementing vault management, and supporting the establishment of regular rotation operations, etc. Support for the implementation of remote support solutions.</li></ul>SecOps<ul><li>Sentinel POC and Microsoft security infrastructure development: Strengthening access with Entra ID, integrating protection and detection with Defender, and supporting the implementation and operation of SIEM/SOAR with Sentinel.</li><li>AI-based security process automation: Leveraging AI technology to support the automation of operational processes such as security monitoring, incident response, threat analysis, and TPRM.</li><li>Evilginx implementation and operation support: Building, configuring, and operating the Evilginx environment, providing the environment necessary for verifying phishing attack methods, and providing technical support.</li></ul> Reference No.: 06940-0013322943By 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/bHVrZS5mdXJuaXZhbC42ODQzMC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-11-14T04:05:48Z

SRE

Tokyo,
remote
Contract
9.2M - 9.2M JPY / Yearly
Responsibilities:<ul><li>Set reliability targets and error budgets, define and measure SLIs, and lead ongoing enhancements of SLOs.</li><li>Participate in on-call rotations to handle incident triaging and provide emergency responses.</li><li>Establish organization-wide processes for incident management, conduct training on incident response, and drive improvements.</li><li>Evaluate critical user journeys and dependencies, deliver architectural recommendations, and promote operational best practices.</li><li>Conduct cost engineering, identify opportunities for optimization, and take ownership of capacity planning.</li><li>Create solutions focused on change management, monitoring, and disaster recovery strategies.</li></ul>Place to work：TokyoReference No.: 06940-0013312102By 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/V2lsbC5GaXRjaC42NTcyMS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-11-05T05:08:42Z

Infrastructure Engineer

Tokyo,
remote
Contract
7.0M - 10.0M JPY / Yearly
Company ProfileA regional organization operating in the B2B sector is seeking a Helpdesk Support professional to join its IT team supporting operations across Japan and the broader APAC region. The team ensures smooth IT operations, infrastructure reliability, and support for local and regional stakeholders. The Role<ul><li>This role provides Level 1 and Level 2 IT support, helping maintain and improve IT systems across the region. You will assist end-users, troubleshoot technical issues, and work closely with colleagues and vendors to ensure reliable IT operations.</li><li>Reporting to the IT Manager, you will contribute to IT projects, support system improvements, and help implement new solutions for the organization.</li></ul>Main Responsibilities<ul><li>Act as the first point of contact for IT incidents; log, clarify, and escalate issues as needed.</li><li>Troubleshoot technical problems and coordinate with external vendors or offsite IT teams.</li><li>Support end-user hardware and software, including desktops, laptops, tablets, mobile devices, and communication tools.</li><li>Assist with setup, configuration, upgrades, and maintenance of IT systems.</li><li>Maintain and track IT assets, including procurement and disposal.</li><li>Provide support for video conferencing, IP phones, and other communication tools.</li><li>Assist with basic network setup and troubleshooting, including rack-and-stack tasks as required.</li></ul> Your Skills <ul><li>Fluent in Japanese and business-level English.</li><li>Experience in IT support, helpdesk, or desktop support (L1/L2).</li><li>Familiarity with end-user hardware and software systems.</li><li>Comfortable working with regional teams and external vendors.</li></ul> Key Highlights of the Role <ul><li>Join a supportive and collaborative work environment with a positive company culture.</li><li>Collaborate with regional and international teams across APAC, gaining valuable cross-border experience.</li><li>Benefit from a flat management structure, encouraging open communication, autonomy, and faster decision-making.</li><li>Receive a competitive salary, up to 10 million JPY, with opportunities for career growth and professional development.</li><li>Be part of a stable organization that values work-life balance and long-term employee satisfaction.</li></ul> Location Tokyo Salary7 - 10 million yen Reference Number: 06940-0013343412 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/ZXJpa2EueWFtYWRhLjE1ODYyLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-11-28T06:33:41Z

Quality Assurance Specialist

Ibaraki,
remote
Permanent
7.5M - 7.5M JPY / Yearly
Client ProfileJapan-based branch of a global specialty chemicals and materials companyJoin a leading global specialty chemicals and materials company's Japan branch as a Quality Assurance Specialist, ensuring that products and processes meet the highest standards of quality, safety, and compliance. This role is ideal for a professional passionate about maintaining operational excellence and regulatory integrity in a fast-paced manufacturing environment.Key Responsibilities<ul><li>Develop, implement, and maintain quality assurance protocols and procedures.</li><li>Conduct audits and inspections of production processes and finished products.</li><li>Identify quality issues and drive corrective and preventive actions (CAPA).</li><li>Manage and maintain Safety Data Sheets (SDS) in compliance with local and global regulations.</li><li>Coordinate with suppliers and internal teams for SDS documentation updates.</li><li>Ensure proper labeling and handling of hazardous materials per SDS guidelines.</li><li>Register chemical substances and manage related SDS documentation.</li><li>Support import/export control tasks, including COA issuance.</li><li>Assist with internal and external audits, including ISO and regulatory inspections.</li><li>Collaborate across production, engineering, and supply chain teams to resolve quality concerns.</li><li>Maintain quality documentation, test results, and compliance records.</li></ul>Qualifications<ul><li>Bachelor's degree in Engineering, Chemistry, Quality Management, or related field.</li><li>Proven experience in quality assurance or control within manufacturing or technical settings.</li><li>Knowledge of SDS regulations (GHS, REACH, OSHA) and chemical safety documentation.</li><li>Familiarity with ISO standards and quality management systems.</li><li>Strong analytical, communication, and problem-solving skills.</li><li>Proficiency in Microsoft Office and quality-related software tools.</li><li>Business-level Japanese and preferably English communication skills.</li></ul>Preferred<ul><li>Certification in Six Sigma, CQE, or equivalent.</li><li>Experience with SPC, RCA, and SDS management systems.</li></ul>Salary7.5M JPYLocationIbaraki Reference Number: 06940-0013309694 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/bG91aWUucmV5ZXMuMDAyNDIuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-10-22T01:40:03Z

Principal Software Engineer

Tokyo,
remote
Permanent
10.0M - 19.0M JPY / Yearly
Company ProfileEnterprise SaaS provider specializing in contract management solutions that transform how businesses leverage contract data. Post-PMF company experiencing rapid growth, backed by years of proprietary OCR and NLP technology development. The platform serves legal, sales, engineering, and executive teams across major Japanese enterprises, combining battle-tested data digitization expertise with cutting-edge generative AI capabilities. The Role<ul><li>Lead critical technical initiatives from architecture design through implementation and team guidance</li><li>Own technology decisions and code reviews across new feature development, improvements, and operations</li><li>Drive performance optimization strategies for contract data processing and full-text search at scale</li><li>Design and implement microservices architecture to support global expansion and feature velocity</li><li>Build LLM inference infrastructure that combines massive document processing with generative AI</li><li>Shape technical stack evolution and modernization across the entire platform</li><li>Provide hands-on technical mentorship to engineering teams while establishing systems that improve code quality</li><li>Identify and solve cross-product technical challenges that impact organizational efficiency</li></ul> Tech Stack: Kotlin, Ktor, Spring Boot, TypeScript, React, Vite, PostgreSQL, Elasticsearch, Google Cloud (Cloud Run, Cloud Functions), GitHub Actions, Splunk Your Skills Required:<ul><li>7+ years building web applications with proven architectural ownership</li><li>Deep backend expertise using statically-typed languages (Java, Kotlin, Go, TypeScript)</li><li>SPA frontend development experience with React, Vue.js, or similar frameworks</li><li>Public cloud architecture - designing and operating systems on GCP, AWS, or Azure</li><li>DDD modeling proficiency and understanding of cloud design patterns</li><li>RDB design and performance tuning skills for high-volume data processing</li><li>Technical leadership experience guiding development teams</li><li>Business-level proficiency in both Japanese and English</li><li>Valid work authorization for Japan or current Japan residency</li></ul>Preferred:<ul><li>Large-scale, high-traffic services experience</li><li>SRE/DevOps background with microservices architecture design</li><li>SaaS product launch experience from zero to production</li><li>Security design and vulnerability remediation knowledge</li></ul> Key Highlights of the Role <ul><li>Post-PMF hypergrowth phase - architect systems that scale from successful product to market-defining platform with massive technical autonomy over technology selection and strategic direction</li><li>Unique technical challenge - combine proprietary OCR/NLP technology developed over years with cutting-edge generative AI to achieve precision levels generic solutions cannot match</li><li>Scale-specific challenges - microservices transformation, large-scale LLM infrastructure, and DDD modeling of complex domains at enterprise scale</li><li>Hands-on + leadership balance - design your own approach between architectural leadership and technical implementation</li></ul> Location Tokyo Salary10 - 19 million yen Reference Number: 06940-0013342172By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/c3VlLnRpbmcuOTQxNzkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-12-02T07:27:57Z

Full Stack Engineer

Tokyo,
remote
Permanent
8.0M - 15.0M JPY / Yearly
Company Profile A growing company providing a next-generation collaborative management platform that connects executives with operational teams. Our solution centralizes "people, assets, and capital" covering budgeting & forecasting, workforce planning, capital investment, and rebate management enabling fast, data-driven decision-making. Our strengths include an intuitive UI/UX and expert support leveraging insights from former corporate strategy professionals. In addition to our existing products, we are expanding into new enterprise solutions. Flexible, fully remote work arrangements are available.The Role This is an engineering position leading the technical side of new business initiatives in the management domain. You will work closely with Product Managers and business teams, driving end-to-end 0→1 development-from deeply understanding customer challenges to defining the MVP, designing the architecture, prototyping, and implementation. You will have significant discretion in technical decision-making and play a key role in directly shaping the direction of the product. Your Skills Must-Have:<ul><li>5+ years of experience in web application development</li><li>Experience developing with Ruby on Rails</li><li>Experience in architecture design and technology selection</li><li>Experience driving projects as a technical lead</li><li>Experience contributing to 0→1 phases of in-house product development</li></ul>Preferred:<ul><li>Experience working in Agile/Scrum environments</li><li>Ability to prioritize based on business requirements and domain understanding</li><li>Proactive experience in improving organizational or team processes</li><li>End-to-end experience from development to operations</li></ul>Key Highlights of the Role <ul><li>Fully remote work and flexible working arrangements</li><li>Significant autonomy to technically lead 0→1 development of new business initiatives</li><li>Opportunity to collaborate closely with Product Managers, corporate planning, and design teams to create customer-driven products</li><li>End-to-end involvement from architecture design to prototyping and iterative improvements</li><li>Career growth potential toward Tech Lead or VPoE roles</li><li>The chance to tackle high-impact product development in the challenging domain of management solutions, delivering real value</li></ul>Location TokyoSalary 8－15 million yen Reference Number：06940-0013337685 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuNzQ3MTYuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-11-19T03:12:32Z

DevOps Engineer

Tokyo,
remote
Contract
6.9M - 6.9M JPY / Yearly
<h2 data-start="159" data-end="173">Job Summary</h2>This role is responsible for the operation and maintenance of systems in the Japan office. The position covers server management, service operations, automation, performance tuning, and ensuring stable system operation.<hr data-start="398" data-end="401" /><h2 data-start="403" data-end="434">Required Skills / Experience</h2><ul data-start="436" data-end="779"><li data-start="436" data-end="485">3+ years of experience managing Linux servers</li><li data-start="486" data-end="533">Experience operating services built on Java</li><li data-start="534" data-end="586">Experience writing and maintaining shell scripts</li><li data-start="587" data-end="632">Experience with CI/CD processes and tools</li><li data-start="633" data-end="699">Experience with configuration management for system deployment</li><li data-start="700" data-end="750">Understanding of system performance and tuning</li><li data-start="751" data-end="779">Basic networking knowledge</li></ul><hr data-start="781" data-end="784" /><h2 data-start="786" data-end="818">Preferred Skills / Experience</h2><ul data-start="820" data-end="1082"><li data-start="820" data-end="883">Software development experience in any programming language</li><li data-start="884" data-end="945">Experience running services in containerized environments</li><li data-start="946" data-end="1000">Experience with monitoring and observability tools</li><li data-start="1001" data-end="1082">Experience with large-scale data processing or distributed systems technologies</li></ul><hr data-start="1084" data-end="1087" />Job Order: 06940-0013342129 Location: Tokyo Salary: Annual ¥6,864,000 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/bHVrZS5mdXJuaXZhbC4yODM3MC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-12-19T01:12:31Z

Software Engineer

Tokyo,
remote
Permanent
9.0M - 13.0M JPY / Yearly
Company Profile | 企業概要<ul><li>Innovative web solutions company building cutting-edge applications that maximize user experience and business outcomes is seeking a Senior Ruby on Rails Engineer to join their international team.</li></ul> The Role | 職務内容<ul><li>Deliver working web-based software using the Ruby on Rails framework in a hands-on technical capacity.</li><li>Propose solutions as a technology specialist within a small product team to drive optimal user experience and business results.</li><li>Collaborate with UX designers and cross-functional team members to build robust, scalable web applications.</li><li>Work with modern technologies including Turbo Frame, Turbo Stream, and Stimulus JavaScript framework.</li></ul> Your Skills | 応募資格<ul><li>-5+ years of recent commercial programming experience with strong emphasis on web solutions and Ruby on Rails.</li><li>-Expert understanding of Ruby on Rails, Ruby programming language, JavaScript, TypeScript, HTML, and CSS.</li><li>-Business-level Japanese and English proficiency (mandatory).</li><li>-Experience with AWS Services and Docker containerization.</li><li>-Degree in Computer Science or equivalent experience.</li><li>-Valid working visa for Japan (6+ months) or available for remote contract work until visa preparation.</li></ul> Key Highlights of the Role | おすすめのポイント<ul><li>20+ paid days off per year with flexible work hours and remote work opportunities.</li><li>Join an international team of talented creators who value your technical input.</li><li>Visa sponsorship available after 6-month trial period.</li><li>Work with cutting-edge technologies including real-time communication, CRDT, and generative AI APIs.</li></ul>Salary900,000 yen - 1,300,000 yenLocationTokyo Reference number : 06940-0013336854By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<hr />「応募」をクリックすることにより、お客様はロバート・ハーフ（以下、当社）のプライバシー通知（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）に同意したものとみなされます。 応募書類には、人種、信条、社会的身分、病歴、犯罪の経歴などの要配慮個人情報や、配偶者、扶養家族など採用選考に無関係な情報を含めないようご注意ください。記載する情報はすべて正確かつ真実であること、また、ハイパーリンクを含める場合には、安全性と信頼性が確保されていることをご確認ください。<img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjkzMzUxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-11-18T07:53:55Z

Java Backend Engineer

Tokyo,
remote
Contract
8.5M - 8.5M JPY / Yearly
Client Profile Japanese multinational conglomerate company. (e-commerce, fintech, digital content, etc.)The Role<ul><li>Backend development for large-scale point systems</li><li>Design, code, review, test, and release web applications</li><li>Enhance and improve existing services and features</li><li>Introduce new architectures and refactor systems for scalability</li><li>Improve development environments (e.g., CI/CD, test automation)</li><li>Troubleshoot production issues and drive service reliability</li></ul>Your Skills Required Qualifications<ul><li>5+ years of Java development experience</li><li>Experience in designing and developing B2C services</li><li>Hands-on experience with relational databases (e.g., MySQL, Oracle, Clustrix)</li><li>Familiarity with Agile development methodologies</li><li>Experience using containers (e.g., Docker, Kubernetes)</li><li>English: Business level (TOEIC 800+ or equivalent)</li><li>Japanese: Not required</li></ul>Preferred Qualifications<ul><li>Experience designing high-traffic systems</li><li>Frontend development experience</li><li>CI/CD pipeline and test automation experience</li><li>Application deployment and operations experience (on-premises or public cloud)</li><li>Knowledge of NoSQL (e.g., Couchbase) or KVS</li><li>Experience collaborating with global teams</li><li>Familiarity with messaging systems (e.g., Kafka, RabbitMQ)</li></ul> LocationTokyo Hourly Salary 4,100 yen Reference Number: 06940-0013315544 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/c2Fvcmkua29kYWthLjgyNTkwLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-10-31T03:45:46Z

Full Stack Engineer

Tokyo,
remote
Permanent
8.0M - 12.0M JPY / Yearly
Company ProfileGlobal fintech provider delivering algorithmic risk management solutions to Japan's leading financial institutions through SaaS B2B platform. The Role<ul><li>Design and implement infrastructure solutions (on-premise/cloud) for banking clients on projects spanning 6 months to 2 years</li><li>Lead technical discovery sessions with risk managers and engineering teams at major Japanese financial institutions</li><li>Participate in pre-sales activities and product demonstrations alongside the Head of Sales</li><li>Provide production support and troubleshooting for live client environments</li><li>Collaborate with global development teams while serving as technical anchor for Japan market</li></ul> Your Skills <ul><li>Native-level Japanese (essential for domestic financial institution communication) and conversational English (for global team collaboration)</li><li>Strong programming skills in Java and Python with packaged software implementation experience</li><li>Infrastructure sizing and architecture planning capabilities (servers/cloud deployments)</li><li>Client-facing technical consultation experience</li><li>Valid work authorization in Japan (citizenship, PR or appropriate visa)</li><li>Bonus: Financial services background, risk management systems experience or work at bank IT subsidiaries (SMBC tech, Mizuho tech, etc.)</li></ul> Key Highlights of the Role <ul><li>Work directly with Japan's blue-chip banks on sophisticated risk management implementations</li><li>Highly flexible work style: only 6-8 days in office per month in a small, collaborative 3-4 person Tokyo team</li><li>Gain exposure to pre-sales and business development, expanding beyond pure technical work</li><li>Competitive package up to ¥12M annually with stable backing from global organization</li><li>Shape cutting-edge algorithmic financial products used for investment risk management across the industry</li></ul> Apply Confidentially Contact with your resume. All inquiries handled with complete confidentiality. Location Tokyo Salary8 - 12 million yen Reference Number: 06940-0013355067 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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.<img src="https://counter.adcourier.com/S2hhbmcuTGUuOTA4MjIuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-12-24T03:27:29Z

Front-End Web Developer

Tokyo,
remote
Contract
9.1M - 9.1M JPY / Yearly
Department Overview We are seeking a Front-End Web Developer who is eager to merge the art of design with the art of programming. If you are an engineer passionate about building SMART systems-Scalable, Maintainable, Automated, Reliable, and Technology-forward-then we are the perfect fit for you! Your role will involve translating UI/UX design wireframes into functional code that creates engaging visual elements for applications.Position Outline Collaborate closely with UI/UX designers and other engineers to bridge the gap between graphic design, user requirements, and technical implementation. Take an active role on both design and technical sides, defining how the application appears and functions.Responsibilities<ul><li>Interpret business requirements and deliver high-quality features at speed.</li><li>Act as a front-end engineer, overseeing design, development, testing, and operation of new user-facing features for large-scale e-commerce systems. Make critical technical decisions in complex situations.</li><li>Build reusable, flexible, and efficient code libraries for future use and contribute innovative ideas for system improvements (e.g., refactoring, adopting new technologies or architectures, optimizing JS performance through suitable techniques).</li><li>Work collaboratively with team members and stakeholders.</li></ul>Required Skills<ul><li>Proven experience leading engineering teams of 5 or more members.</li><li>Project management experience for Waterfall-style projects with a scale larger than 15 man-months.</li><li>5+ years of front-end development experience using HTML, CSS, and JavaScript.</li><li>Front-end development experience with React, Redux, and TypeScript.</li><li>Familiarity with Web APIs such as REST, JSON, and CORS.</li><li>Understanding of and experience with parallel and asynchronous processing (e.g., AJAX, Promises, WebWorkers, WebSockets).</li><li>Linux investigation and operational expertise.</li><li>Skills in software configuration management, including version control tools (e.g., Git) and build tools (e.g., Jenkins).</li><li>Experience developing and maintaining unit tests and integration tests.</li><li>Proficiency in creating documentation, including design documents and test cases.</li><li>Experience with coding and reviewing for performance, maintainability, and security.</li><li>Strong communication skills in English.</li></ul>Preferred Skills <ul><li>Ability to identify team challenges, propose solutions based on root cause analysis, and proactively execute improvement actions.</li><li>Experience with ESLint.</li><li>Expertise in implementing unit tests in JavaScript (e.g., Jest, Intern, WDIO).</li><li>Capability to design front-end architecture from the ground up.</li><li>DevOps experience.</li></ul> Place to work: Tokyo Reference No.: 06940-0013313861By 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/c2Fvcmkua29kYWthLjk4ODQ5LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-11-05T05:36:46Z

IT Consultant

Tokyo,
remote
Contract
8.1M - 8.1M JPY / Yearly
Key Responsibilities； Security Governance & Risk Management<ul><li>Perform security risk evaluations and develop risk mitigation approaches.</li><li>Develop and enforce security guidelines, benchmarks, and processes.</li><li>Contribute to building cybersecurity roadmaps and governance structures.</li><li>Partner with senior leaders to report on risk status and program maturity.</li></ul>Privacy & Data Protection<ul><li>Carry out privacy program reviews and gap assessments.</li><li>Participate in designing and deploying privacy frameworks (such as GDPR, APPI).</li><li>Contribute to Privacy-as-a-Service (PRaaS) initiatives and third-party risk evaluations.</li><li>Safeguard compliance with international and domestic data protection laws.</li></ul>Technology Risk & Compliance<ul><li>Deploy IT risk management frameworks integrated with organizational objectives.</li><li>Execute IT controls reviews and assist with audit preparation.</li><li>Aid in IT governance programs and in meeting regulatory requirements.</li></ul>Location <ul><li>Tokyo</li></ul>Salary<ul><li>8 million yen</li></ul> Reference Number: 67040-0013350790 By clicking 'apply', you are deemed to have agreed to Robert Half Japan Privacy Notice (<a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>). 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. <img src="https://counter.adcourier.com/bHVrZS5mdXJuaXZhbC40MjgxMi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-12-29T01:20:51Z