Top QA Engineer Jobs in Tokyo

The Head of Business Operations for Safety and Quality at Woven by Toyota drives strategy, governance, and transformation initiatives, ensuring operational excellence and risk management across the Safety & Quality organization while engaging with stakeholders globally.

Provide QA oversight for sterile injectable technology transfers, scale-up and validation activities. Review and approve validation protocols/reports, analytical transfers, SOPs, change controls, investigations, and production documents to ensure cGxP compliance and support new product introductions and continuous improvement.

The QA Specialist ensures linguistic and technical quality of English subtitles from Japanese content, collaborating with teams and managing translators to uphold standards and resolve issues.

The Quality Assurance Architect will develop and manage QA strategies, oversee testing frameworks, mentor teams, and ensure quality governance for robotics systems across agile teams.

The QA Consultant will support the implementation of test automation, propose solutions for quality issues, and help improve QA processes using Autify.

Lead QA delivery for projects, estimate testing effort, manage defects, track/report test progress and quality. Define and execute functional, integration, regression, and API tests; create manual and automated scripts; maintain automation frameworks; mentor test team and support UAT. Drive QA standards, configuration management, and continuous improvement.

Join the Futures QA Automation team to design and execute test plans across web, desktop, and mobile. Develop and run automated, performance, security, and mobile-specific tests; set up testing environments (Node.js, Java, Go, Python, local blockchain); diagnose root causes; collaborate with engineers, PMs, designers, and operations to improve quality and processes.

Lead risk management and quality activities for products in the Japanese market: assess changes, investigate and resolve customer complaints, coordinate recalls/field actions, maintain QMS, manage product release and non-conforming products, and perform data analysis and CAPA in collaboration with cross-functional teams.

Lead QA automation for Futures across web, desktop, and mobile: design and execute test plans, set up test environments, write automated tests, perform security and performance testing, root-cause analysis, and improve testing processes across the SDLC.

Senior QA Automation Engineer responsible for designing, building, and maintaining Rust/Java-based automated test frameworks. Participate across the SDLC to create test plans, execute black-/white-box, security, performance, and mobile testing, diagnose root causes, and improve testing processes. Collaborate with engineers, PMs, designers, and operations to ensure system reliability across web, desktop, and mobile platforms. Apply AI models in testing where applicable and coordinate with global stakeholders in English and Mandarin.

Responsible for functional and API testing of platform products, designing and executing end-to-end tests across frontend, backend, strategy, and algorithms. Validate personalized user experiences, improve test coverage and QA processes, and drive adoption of AI-assisted test generation and automation. Collaborate with Product, Engineering, Algorithm, and Strategy teams to identify issues and ensure quality.

Conduct functional, performance, security, and automation testing for blockchain products and DApps. Participate in requirements and architecture reviews, build automation test cases and tools, design performance and stability tests (including chaos engineering), and establish blockchain testing frameworks. Include browser testing for blockchain-enabled browsers.

Test the platform and agent across environments, design and maintain QA automation, execute manual tests, define test plans with Product and R&D, file and track bugs, and produce clear test documentation and reports.

Accountable for overall quality of Android and iOS mobile companion apps. Design QA strategies, create and execute test plans, develop automation frameworks, reproduce complex customer issues, collaborate with developers, product, and design, and improve testing coverage and effectiveness.

Lead QA efforts for Android and iOS companion mobile apps: design QA strategies, create and execute test plans, develop/maintain automation frameworks, reproduce and debug complex customer issues, and collaborate with developers, product, and design to ensure quality delivery.

Lead end-to-end QA for Fiat/BigPay: plan tests, design and execute cases across App/Web/Backend/Admin, maintain Python pytest+k6 automation framework, drive feature and edge-case testing, and collaborate cross-functionally to close quality loops.

Lead Japan pharmaceutical quality assurance as the statutory QA Responsible Person. Ensure regulatory compliance, QA process implementation, CAPA, document control, vendor oversight, license transfers, audit readiness, cross-functional alignment, and continuous improvement while managing QA staff, budgets, and third-party agreements.

Design and execute comprehensive test plans for dApps and smart contracts, perform unit/integration/end-to-end testing, run security audits and vulnerability assessments, automate tests within CI/CD pipelines, monitor quality metrics, debug issues, and collaborate with developers and product managers to ensure reliable DeFi/EVM-compatible applications.

Manage local quality systems and GQP for cell therapy in Japan, oversee product importation, deviations, change controls, complaints, audits, inspections (PMDA), and coordinate with regional/corporate and manufacturing sites to ensure compliance.

Monitor company drug and medical device surveillance programs, prepare and maintain MDR and ADE reports, review and analyze clinical databases to extract and integrate ADE data, ensure unified safety databases and high-quality safety summaries, and act as liaison with internal and external collaborators to develop regulatory reporting programs and processes.

3-6 month internship testing and delivering high-quality products. Design and review test cases, execute functional and regression tests, identify and track bugs, and collaborate with engineering teams to ensure timely delivery.

The Senior Quality Assurance Engineer will enhance test automation, analyze test results, develop QA strategies, and support bug analysis for automotive software.

Early-career QA tooling developer to design and build internal tooling and testing systems, maintain cloud infrastructure and test environments, support engineering teams with configuration management and troubleshooting, and improve development and release cycle efficiency during a 6-month accelerator placement.

Test and ensure quality of Binance Wallet across mobile, browser extension and APIs. Create and execute test cases, estimate and prioritize testing, and contribute to automated and manual test development while collaborating with engineers and product.

Perform functional and regression testing, design and review test cases, execute tests, identify and track bugs, collaborate with team to ensure timely, high-quality product delivery.