Top QA Engineer Jobs in Japan

Perform GMP quality assurance for sterile injectable medicines at Takeda’s Osaka manufacturing site. Responsibilities include investigating deviations, reviewing manufacturing records, inspecting manufacturing and testing areas, administering manufacturing and testing equipment systems, preparing product release decisions, and leading continuous improvement activities. The role requires native-level Japanese, pharmaceutical GMP experience, and a relevant scientific or engineering degree.

Manage quality assurance and quality control systems across complex construction, infrastructure, industrial, and engineering projects. Responsibilities include developing project quality plans and inspection test plans, conducting audits and inspections, overseeing testing, managing non-conformances and corrective actions, maintaining quality documentation, coordinating with clients and contractors, leading quality personnel, tracking KPIs, and ensuring compliance with ISO, contractual, regulatory, and HSE requirements.

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.

Leads Japan GxP Quality Assurance operations for a pharmaceutical Marketing Authorization Holder. Responsibilities include establishing quality systems and governance, supporting product launches, overseeing external GxP providers and CMOs, managing product release and quality events, reviewing risk and quality metrics, and leading regulatory inspection readiness. Serves as Deputy Quality Assurance Manager and provides independent quality oversight across the product lifecycle.

Leads Japan product quality assurance activities across the pharmaceutical product lifecycle, including launch readiness, product release, quality events, deviations, CAPAs, change controls, complaints, recalls, audits, inspections, GDP activities, and outsourced partner oversight. The role supports Japan MAH operations, quality systems, risk assessments, trend analysis, continuous improvement, and collaboration with global cross-functional stakeholders.

Leads regional and local quality functions, process improvement, quality planning, metrics, statistical process controls, and internal audits. Uses root cause analysis and CAPA to resolve nonconformances and improve business performance. Develops process maps, mentors and cross-trains staff, supports accreditation and regulatory compliance, and facilitates improvement teams. Requires detailed knowledge of quality systems, auditing, ISO standards, Lean Six Sigma, and business-level Japanese and English proficiency.

Performs manufacturing quality assurance and quality control, including in-process, receiving, and shipping inspections; nonconformity and root-cause analysis; MRB/DRB activities; process audits; KPI management; customer complaint resolution; 8D corrective actions; QMS/ISO maintenance; SPC implementation; measurement-system management; and quality improvement projects. The role collaborates with manufacturing, customers, Sales, and international teams and is based onsite in Ami Town, Japan.

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.

Lead and perform GCP audits of investigator sites, suppliers, and partners across Japan and APAC; develop risk-based audit plans; prepare audit reports and manage CAPA follow-up; support QA governance, training, QA tools and global consistency; mentor junior QA staff and act as QA liaison for Japanese development and PMDA inspections.

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.

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.

Maintain and improve supplier quality for diagnostic components. Responsibilities include handling internal defect reports, registering defects in systems, communicating with suppliers, investigating root causes, implementing corrective actions, and managing supplier 5M changes. Future duties include supplier quality assessments, onsite audits, and process checks for new or changed suppliers. The role requires technical drawing literacy, PC skills, fluent Japanese, basic English reading, collaboration, problem-solving, and domestic and international travel.

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.

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.

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.

Join the Product Regulatory Engineering team to evaluate product environmental impact, ensure compliance with RoHS/REACH/WEEE/PFAS/TSCA/Prop65, perform XRF material testing and manage XRF lab, maintain compliance databases (IPC-1752A, BOMcheck, IMDS, SCIP, GDX), engage suppliers for sustainability data, and support regulatory filings and cross-functional 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.

Lead root-cause analysis for transformer product issues, prepare investigation reports, explain findings to customers, and perform or support on-site inspections. Execute other QA tasks and ensure compliance with internal and external regulations.

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.

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.

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.