Top QA Engineer Jobs in Lisbon

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.

Manual and automated QA for Pod releases: run local/staging environments, submit transactions, verify APIs/receipts/state, reproduce and report bugs, write end-to-end and headless browser tests, and build release checklists and automation.

As an Automation QA Engineer, you'll test payment integrations, define test scope, develop automation plans, and build reliable automated tests to ensure product quality and continuous improvement.

Quality-check ocean freight contracts, rates and surcharges against source documents; correct errors before customer-facing; communicate with vendor partners; find recurring error patterns and improve QA processes; use AI tools to speed QA and maintain high-quality master data.

Responsible for designing, implementing, and executing automated test scripts, integrating tests into CI/CD pipelines, and validating web and mobile applications.

The QA Automation Engineer is responsible for designing, implementing, and executing automated test scripts, ensuring software quality through various testing tools and techniques, and collaborating with cross-functional teams.

Lead a hybrid QA team to own testing lifecycle from requirements to release. Design and run manual and automated web, mobile, and API tests, develop test frameworks, improve CI pipelines, mentor engineers, track defects, and ensure high-quality releases.

Perform manual testing across the SDLC: create and run test cases, execute functional/regression/integration/exploratory/UAT, manage defects, validate releases, support performance testing, collaborate with developers and PMs, and leverage AI tools to improve QA efficiency.

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.

Plan, execute, and supervise testing activities; define test strategies and plans; manage test backlog; coordinate manual and automated test execution; track and prioritize defects; facilitate QA communication; and drive continuous improvement of QA processes and tools within an Agile environment.

Perform functional, regression, smoke, and exploratory testing of web and enterprise applications. Create and maintain test cases, reproduce and investigate issues with developers, test REST APIs, verify data with SQL and DB testing, participate in refinement and release testing, and improve QA processes and coverage.

The QA Engineer will develop and maintain automated end-to-end functional regression tests using UFT, assist teams with automation tools, and train team members on best practices.

The Backend QA Engineer will ensure the reliability and performance of backend systems through testing APIs and databases, and will collaborate with engineering teams to maintain high quality standards.

Own QA strategy within Agile squads by defining acceptance criteria, building and maintaining automated test frameworks (Cypress for web, Maestro for mobile), integrating regression suites into CI/CD, performing API and database validation, mentoring junior testers, and driving continuous QA tooling and process improvements.

As a Senior QA Engineer, you will design and implement automated tests, collaborate on test strategies, and enhance testing pipelines while ensuring a user-centric approach in a cloud-native communication platform.

The Senior QA Engineer will co-design test strategies, implement automated tests in Kotlin, and improve testing pipelines within a collaborative engineering team.

As a QA Engineer, you will ensure the quality and usability of applications through manual and functional testing, working closely with cross-functional teams to detect bugs and validate software before deployment.

As a QA Automation Engineer, you'll build and maintain automated test frameworks, execute tests, and enhance software quality across web and mobile platforms.

Investigate and reproduce customer-reported issues, create actionable bug reports, design and run manual and automated test plans, validate fixes, improve automated coverage, and track quality metrics for Kestra OSS and Enterprise editions.

Join COLIBRIX.ONE as a Manual AI-Assisted QA Engineer focusing on fintech solutions, validating payment and wallet flows through various testing methods while leveraging AI tools for optimization and efficiency.

As a Quality Assurance Engineer, you will test software, validate new features, perform regression testing, and manage user-reported bugs.

Lead and architect end-to-end QA automation for a distributed data SaaS platform: build scalable frameworks, embed tests in CI/CD, drive integration/API/performance/data-integrity testing, eradicate flaky tests, mentor engineers, own release quality sign-off, collaborate across product and engineering, and apply AI tools to accelerate testing and optimize QA metrics.

Build and maintain automated test suites for smart contracts and UIs, integrate testing into development, identify and track bugs, improve test frameworks, and ensure comprehensive coverage for new features.

Perform 50/50 manual and automated testing using Python within an established automation framework. Increase test coverage, add new tests, improve stability, address test tech debt, design test strategies, and integrate automated tests into CI/CD. Collaborate with developers and stakeholders, identify bottlenecks, improve QA processes, and perform performance and API testing to ensure product quality in a payments/B2B fintech context.