Top QA Engineer Jobs in Osaka

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.

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.

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.

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.

Participate in QA for Binance products: design and review test cases, execute functional and regression tests, identify and track bugs, and collaborate with teams to ensure timely delivery and product quality during a fixed-term accelerator program.

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.

Early-career QA role within Binance Accelerator Program. Design and execute functional and regression tests, develop and review test cases, identify and track bugs, and collaborate with engineers to ensure timely, high-quality product delivery. Requires commitment of at least six months and minimum three days per week.

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.

Lead and maintain GQP/QMS for pharma/medical device products: manage quality agreements, audits, change/deviation/complaint handling, recalls, SOPs, trainings, product master formulas, QMS records, support product introductions and site transfers, and supervise group-level budget and personnel.

The role involves manual and automation testing, guiding teammates, solving client challenges, and using various automation tools and scripting languages.

Lead mobile QA for iOS, Android, and responsive web: design and execute manual and automated tests, run exploratory/regression/smoke testing, validate performance and cross-device compatibility, perform API/integration testing, document defects, improve QA processes, mentor junior QAs, and communicate release readiness.

Own end-to-end quality validation for new features and releases on a genomics platform. Design, build, and maintain scalable automated regression suites (Playwright/Cypress/Selenium), run API/integration tests (Postman/Swagger), integrate tests into CI/CD, lead exploratory testing and release readiness, track defects to resolution, improve QA processes, and mentor junior QA engineers while communicating quality risks across teams.

Design and execute functional, integration, regression, and end-to-end tests for high-throughput, low-latency backend trading systems. Validate real-time data flows, messaging, caching, and data integrity (WebSocket, Kafka, Redis, databases). Collaborate with product and engineering, document defects, and improve testing processes, tooling, and automation.

Join Binance Accelerator Program as a QA Automation intern to design and execute functional, regression, and automated tests. Develop test cases, review test plans, identify and track bugs, and build automation scripts to increase testing efficiency while collaborating closely with engineering teams to ensure timely, high-quality deliveries.

Support the Aprimo platform by gathering and documenting business requirements, writing user stories and acceptance criteria, and assisting configuration. Develop and execute test plans (functional, regression, UAT), track defects in ticketing tools, validate post-change performance, and collaborate with stakeholders and senior configurator to ensure timely resolution and high-quality delivery.

Oversee QA and QC activities for manufacturing and testing of power transformers for the Japanese utility market at overseas factories. Lead and instruct the TR JP2408 quality control team, troubleshoot legacy and new products, and manage HSE responsibilities in coordination with HE-J and HUB APMEA.

Lead QA strategy and execution across web and mobile product suites: define test plans, drive automation, oversee release readiness, track quality metrics, mentor QA team, and partner with Product, Engineering, DevOps, and Security to ensure reliability, performance, and security.

Design, build, and maintain automated test suites for smart contracts and UI; integrate testing into development; identify, document, and track bugs; improve automation frameworks; analyze results and ensure comprehensive coverage for new features.

Responsible for maintaining and improving product quality in manufacturing, leading quality control efforts, handling customer complaints, and collaborating cross-functionally on quality projects.

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.

As a Quality Assurance professional, you will analyze product issues, create reports, explain root causes to customers, conduct investigations, and ensure compliance with regulations.

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.