Top QA Engineer Jobs in Portugal

Lead and build a Lisbon QA engineering team to validate consumer electronics (headphones, speakers, home theater). Define QA processes, drive test automation and CI/CD integration, provide risk-based coverage and clear release readiness metrics, and partner with global engineering to improve product quality.

Validate Bose consumer audio products through manual and automated testing of firmware, mobile integrations, Bluetooth connectivity, and embedded systems. Design test strategies, lead exploratory testing, analyze logs for root cause, contribute to automation and CI/CD integration, and collaborate with cross-functional teams to ensure release readiness and quality improvements.

Define and evolve the QA Test Center technical strategy, design and deploy QA tooling and automation pipelines, support sales with technical materials and client assessments, adapt solutions to client stacks, and act as technical reference for delivery teams while tracking QA and AI trends.

Lead automation quality for a global React Native mobile app across iOS and Android. Build and maintain Detox/Jest test suites, validate payment/auth flows, run tests on real devices via BrowserStack, integrate quality gates in CI/CD, perform manual and automated functional/regression testing, track defects in Azure DevOps, monitor performance via Sentry/Firebase/Quantum Metric, and collaborate with product and engineering in Agile ceremonies.

Drive automation quality for a global QSR mobile app: build and maintain Detox/Jest automation, validate payment/authentication, run functional/regression tests on real devices, integrate CI/CD quality gates, analyze results, document bugs, and collaborate with product and engineering teams to ensure React Native app testability and accessibility.

Build and maintain end-to-end automated tests using Playwright and JavaScript for a B2B procurement platform. Increase coverage of critical user flows, investigate failures vs flakiness, log reproducible defects, collaborate with developers, and ensure CI/CD pipelines stay green while participating in test planning and QA improvements.

The Senior QA Tester designs testing processes for web/mobile applications, identifies software issues, and collaborates with teams to uphold quality standards.

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

Build and maintain end-to-end automated tests for a B2B procurement platform using Playwright and JavaScript. Grow coverage of critical user flows, triage failures, log reproducible defects, collaborate with developers, and contribute to CI/CD test stability and QA process improvements.

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 end-to-end automated tests using Playwright and JavaScript for a B2B procurement platform. Grow coverage of critical user flows, investigate failures, log reproducible defects, collaborate with developers, and keep CI/CD pipelines green while participating in QA planning and continuous improvement.

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.

Own web QA across website, checkout, and B2B product. Design and build test infrastructure, define coverage strategy, and run regression, smoke, end-to-end, and integration tests. Implement web test automation (Playwright/Selenium), API testing (Postman), integrate tests into CI/CD, investigate root causes, file actionable Jira/X-ray tickets, and apply AI tooling where useful. Perform manual testing when needed and collaborate with product, developers, and design.

Lead manual QA for Paper.io 2 mobile game: design test plans, find and document defects, create QA processes/tools, track live KPIs, collaborate with design/dev teams, and support quality initiatives across studios.

Build and maintain E2E test automation using Playwright and JavaScript, grow coverage of critical user flows, investigate failures and flakiness, log reproducible defects, collaborate with developers, and contribute to CI/CD test pipelines and QA process improvements.

Execute functional, regression, smoke, exploratory testing; create and maintain test cases and QA docs; test REST APIs and verify data with SQL; reproduce issues and work with developers; participate in refinement and release testing; improve processes and coverage.

Design, build, and maintain scalable test automation frameworks and CI/CD-integrated test suites for web, mobile, and backend systems. Test REST and GraphQL APIs, reduce flakiness, apply risk-based testing, improve pipelines and tooling, and mentor engineering teams to raise delivery quality and speed.

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.

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.

The App Integration Specialist will engage in creating test environments, maintaining third-party repositories, performing product testing, and supporting automation scripts while collaborating with the development team.

Perform manual and automated testing across web, mobile, APIs, backend services, and blockchain integrations. Build and maintain Python-based test frameworks, investigate issues across distributed systems, analyze logs/metrics/network traffic, contribute to release validation and automation, and collaborate with product, engineering, and DevOps. Use AI tools to accelerate testing, support incident analysis, and proactively improve testing coverage and product reliability.

Lead and coach multidisciplinary teams to ensure compliance with quality processes and standards (ISO 9001, AQAP/STANAG), perform independent quality assessments, audits and root-cause analysis, report performance to management, identify risks and improvements, and contribute to deployment and continuous improvement of the Quality Management System across defence and aerospace projects.

Own and improve product quality by designing, implementing, and maintaining automated API and UI tests. Collaborate with developers and product managers on test approaches, review test cases, ensure reliability and stability of automation, and provide insights to enhance product quality.

The Sr. QA Auditor conducts independent audits for compliance with regulations, manages quality issues, and provides consultation on policies and procedures in the pharmaceutical industry.

Define test strategies and plans; design, execute and maintain manual test cases; report, track and analyze defects; support UAT and business stakeholders; ensure traceability and QA process improvements; collaborate with development/product teams; and progressively move from manual testing to test automation and CI/CD integration.