Top QA Engineer Jobs in Tokyo

Leads quality assurance and Japanese QMS compliance for medical devices. Responsibilities include maintaining SOPs and certifications, coordinating audits and inspections, overseeing foreign manufacturers, managing inspections, product release, labeling, complaints, nonconformances, CAPAs, recalls, and quality records. Supervises QA staff, supports management reviews, communicates with Japanese regulatory authorities, and drives continuous improvement.

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.

Designs, executes, and maintains automated tests for mobile, web, and API applications. Responsibilities include creating test scenarios, cases, scripts, and data; executing manual and automated tests; analyzing defects and results; improving automation frameworks and testing processes; and collaborating with engineering, design, and QA teams. The role also uses AI-assisted development tools to improve test design, debugging, documentation, and productivity.

Lead weekly functional and non-functional release testing, roadmap project QA, test planning, scope definition, test execution, defect triage, reporting, and test case management. Collaborate with QA engineers, developers, designers, vendors, and affiliated teams to ensure product quality. Maintain master test cases, prepare test data and environments, review test cases, and improve QA processes for mobile securities services.

Designs and maintains automated testing frameworks for margin trading and risk systems using Java and/or Rust. Responsibilities include test planning, environment management, black-box and white-box testing, security and performance testing, defect analysis, and validation of complex trading workflows, margin calculations, liquidation processes, and high-concurrency distributed systems.

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.

Develop and maintain backend integration testing for unreleased features and changes. Responsibilities include designing manual and automated test scenarios, writing Python and other scripting tests, investigating defects, maintaining test environments and artifacts, improving automation and reporting frameworks, and building tools for RESTful API testing. The role requires strong backend QA experience, UNIX/Linux proficiency, and testing expertise across APIs, databases, and distributed services.

Designs and executes manual and automated tests for backend systems, APIs, databases, microservices, and distributed services. Develops test plans, automation scripts, data comparison tools, and QA frameworks; investigates defects and performs root cause analysis. Conducts performance, security, scalability, and big data testing while improving test coverage, release processes, and product quality. Collaborates with engineering, product, support, and external partners in an Agile environment.

Leads quality assurance and quality control across large-scale construction, infrastructure, industrial, manufacturing, pharmaceutical, semiconductor, or data center projects. Develops quality strategies, project quality plans, QMS processes, inspection and testing programs, audits, compliance assessments, and KPI reporting. Oversees NCRs, corrective actions, risk mitigation, client audits, regulatory compliance, and continuous improvement while managing and developing QA/QC teams.

QA Engineers will support quality assurance activities for GMS products and solutions while contributing to innovation and product development. The description provides no specific responsibilities, qualifications, technologies, location, salary, travel, or clearance details.

QA Engineers will support quality assurance activities for GMS products and solutions. The provided description contains limited role-specific details and does not list particular testing responsibilities, technologies, qualifications, compensation, travel, or clearance requirements.

Own quality strategy and release readiness for assigned product areas in Dialpad’s AI communications platform. Responsibilities include functional, integration, regression, exploratory, UI, API, and end-to-end testing; maintaining automated test suites; validating enterprise workflows and AI capabilities; investigating failures; reporting defects; performing root-cause analysis; and collaborating with Japanese, APAC, and global stakeholders to improve quality and release confidence.

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.

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.

Internship QA Engineer supporting Binance’s compliance and digital finance products. Responsibilities include understanding business and technical scenarios, designing and reviewing test cases, executing functional and regression testing, tracking defects, and developing automation scripts. Requires hands-on Java coding, MySQL familiarity, QA methodology knowledge, analytical and troubleshooting skills, communication, and a five-day-per-week commitment.

Participate in Android and iOS app testing, including functional and regression testing. Design, execute, and review test cases; identify, track, and verify bug fixes; and collaborate with developers and product managers to resolve issues. Use AI tools to improve testing efficiency and coverage. This is a six-month, full-time early-career program requiring five days per week.

Support QA Senior Manager in QMS operation and maintenance: prepare QMS/FMR/MAH application documents, manage market release/distribution and non-conformities, translate complaint reports, create and maintain SOPs, change control, quality agreements, CAPA, training, recalls, licensing support, and audit responses. Hybrid role with bilingual (JP/EN) communication and occasional travel.

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.

Design, plan, and execute test plans; perform failure analysis and quality improvements; verify quality from initial development; and manage test automation, working within Agile teams and leveraging test frameworks and CI/CD.

Support aerospace QA by learning QMS, product assurance, supplier quality, nonconformance and document management. Assist process visualization and improvement, product quality monitoring, supplier data structuring, and produce process maps, structured supplier datasets, quality records/KPIs, and a final report with presentation.

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 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.