Top QA Engineer Jobs in Lisbon

Designs and executes automated tests for optical networking products within an Agile R&D team. Responsibilities include integrating Python and pytest automation into CI/CD pipelines, refining requirements and acceptance criteria, identifying risks, applying AI-assisted testing techniques, analyzing failures, optimizing coverage, and continuously improving QA strategies and frameworks.

Build and maintain Playwright and TypeScript automated tests for financial data and payment systems. Perform API, backend, functional, integration, regression, system, and manual testing; validate data integrity; analyze logs; debug issues; document defects; and collaborate with engineering and product teams to improve test coverage and software reliability.

Leads quality assurance across mobile, web, and desktop products through risk-based manual and automated testing. Designs and evolves test automation frameworks, owns GitLab CI/CD test pipelines, manages release readiness and defect lifecycles, reviews requirements for testability, establishes quality standards, analyzes quality metrics, and mentors QA team members.

Participate in test strategy and planning, estimate testing effort, identify risks, design and execute manual test cases, analyze results, track defects, prepare status reports, and support user acceptance testing in an agile environment.

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.

Own and execute end-to-end quality assurance for airline applications running on the CUSS platform. Perform hands-on testing across kiosks, Auto Bagdrops, peripherals, platform services, and backend systems. Analyze logs, document defects and results, support root-cause analysis, collaborate with developers and airline teams, improve certification and test automation, and ensure reliable transitions to business-as-usual operations. Provide guidance on CUSS workflows, airline integrations, self-service processes, and applicable industry standards.

Monitors affiliate and sales managers’ partner communications across Telegram, Skype, and email. Reviews tone, accuracy, compliance, response times, and SLA adherence; identifies risks and escalates critical cases. Provides constructive feedback, maintains communication standards and error records, prepares quality reports, and supports process improvements. The role requires strong written English, objectivity, responsibility, stress resilience, and the ability to understand affiliate and iGaming operations.

Perform manual testing across web UI, APIs, integrations, databases, and backend workflows. Analyze requirements, identify risks, maintain Zephyr test plans and cases, validate PostgreSQL data, review automated test results, support root-cause analysis, report defects, improve documentation, and occasionally deliver product walkthroughs.

Designs and maintains end-to-end automated testing across AWS web applications and Salesforce workflows. Responsibilities include cross-platform user journey automation, Salesforce Lightning UI testing, Shadow DOM handling, REST API and integration testing, SOQL-based database verification, and CI/CD pipeline integration using Git-based developer tools.

Develops and tests integrated hardware and software products, resolves customer trouble tickets, diagnoses complex issues, and recommends corrective actions. Supports controlled software and hardware releases, change management, technical documentation, quality standards, emergency issue resolution, and process improvements. Provides technical training and informal guidance to support teams and new members while contributing to customer requirements planning and product evolution.

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.

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 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.

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.

Build and maintain automated QA frameworks using Python, PyTest, and Selenium. Create and execute feature test cases, perform API, backend, and manual testing, analyze logs, debug system behavior, and document defects. Collaborate with engineering and product teams to validate APM Gateway features, improve testing practices, and deliver stable software.

Design and execute performance, load, and scalability tests for enterprise backup/data protection products; build and maintain realistic test labs and topologies; identify bottlenecks and system limits; analyze results and drive remediation with developers, QA, and product managers; own environment creation, configuration, monitoring, and support root-cause investigations reported by support and customers.

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

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

Execute manual test cases for web and mobile apps, perform smoke and regression testing, document and report bugs, support triage with developers and PMs, validate across browsers/devices, and maintain QA documentation using test management and project tools.

The Staff Software QA Engineer leads quality initiatives, mentors team members, develops, and executes automated tests, and participates in Agile ceremonies to ensure product quality.

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.

Conduct manual testing of web applications and new features across frontend and backend systems. Create and maintain test documentation, perform functional and regression testing, identify and track defects, verify fixes, and validate releases. Collaborate with development and product teams, analyze requirements, test REST APIs and databases, and provide quality improvement feedback within Agile environments.