Top QA Engineer Jobs in Lisbon

The QA Automation Engineer will design, develop, and maintain automated tests for web, mobile, and APIs, ensuring quality through CI/CD integration and defect tracking.

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.

As a QA Automation Engineer, you will drive the software testing lifecycle, collaborate with teams, execute testing, and ensure quality deliverables for mobile applications.

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.

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.

Plan, schedule, conduct and close independent GCP clinical audits; report findings; consult on regulations and corrective actions; review RCA/CAPA/EC; maintain eQMS; lead QA initiatives and training; support inspections and pre-inspection/site visits; manage quality issues and continuous process 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.

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.

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.

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.

Embedded in agile scrum teams to design, document, and execute manual and automated tests for ecommerce platforms. Build Playwright automation in JavaScript/TypeScript, integrate tests into CI/CD, perform API and backend testing, analyse logs and data, report defects, join client-facing meetings, and drive process and tooling improvements to improve quality.

Design, build, and maintain automated test frameworks for web apps and APIs using .NET/C#. Create and run UI, API, integration, and regression tests; integrate tests into CI/CD pipelines; troubleshoot failures; document test plans; collaborate with developers, DevOps, and QA; and participate in Agile ceremonies.

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.

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.

Landskill seeks a QA Engineer to develop automation tests, document processes, and manage test cases in a supportive environment.

The QA Manager will lead QA teams, design and implement test cases, and ensure quality through Agile methodologies, requiring 5 years of QA and 2 years of leadership experience.

The QA Analyst is responsible for designing test cases, managing defects, and ensuring quality through various testing tools and methodologies in an Agile environment.

The Senior QA Engineer tests Veeam products, develops test strategies, analyzes software requirements, trains team members, and maintains defect databases.

The Senior SW QA Engineer will collaboratively ensure high quality in optical networking solutions through automated testing, Agile ceremonies, and continuous improvement of QA practices.

Manual QA Engineer responsible for end-to-end manual testing of a SaaS cybersecurity product across UI, APIs, integrations and backend workflows. Analyze requirements, create and maintain test documentation in Zephyr, validate data via PostgreSQL queries, review automated test results, report bugs, and suggest product/documentation improvements while collaborating with PO/PM and dev teams.

Lead GCP quality for Prilenia's clinical programs from startup through inspection readiness. Oversee CRO and vendor QA, eTMF quality, CAPA resolution, audits, and regulatory inspection responses. Provide GVP and GLP QA oversight, author SOPs, define quality metrics, build a fit-for-purpose QMS, mentor QA staff, and represent QA in cross-functional governance.

Design, build, and maintain end-to-end test automation frameworks (UI, API, smart contracts, wallet flows), write Web3-specific tests, integrate suites into CI/CD, improve coverage, and promote quality across engineering using AI-assisted tooling.