Top QA Engineer Jobs in Osaka

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 testing backend microservices across APIs and service integrations. Design and execute functional, integration, and regression tests; track defects; validate MySQL data, idempotency, Kafka messaging, Redis state, and cross-service behavior. Build Java-based automated test suites using tools such as JUnit, TestNG, and REST Assured. Collaborate with developers and product managers, and use AI tools to improve testing coverage and efficiency.

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.

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.

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.

Execute functional, regression, compatibility, and event-tracking tests across Android, iOS, Web, and Admin platforms. Prepare test data, reproduce production issues, document clear bug reports, verify fixes through closure, and maintain test case documentation. The role involves using existing QA tools, scripts, spreadsheets, and online test platforms within a mature testing process.

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 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.

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.

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.

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.

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.

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.

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.

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.