Top QA Engineer Jobs in Portugal

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.

Conduct manual testing for Paper.io 2, identify and document defects, create test plans, improve QA processes and tools, monitor technical KPIs, and collaborate with design, development, and central technology teams. The role owns QA activities across development and release stages while providing feedback on game mechanics, quality, and player experience.

Drive process and product quality improvements through data analysis, root cause investigations, audits, corrective actions, quality metrics, and continuous improvement initiatives. Collaborate with cross-functional manufacturing teams to ensure compliance with quality standards, customer requirements, and regulations. Provide guidance on quality methodologies, defect prevention, and best practices.

Develop scalable backend services and APIs for AI-powered Contact Center and Unified Communications products. Design distributed, real-time systems; integrate AI and ML capabilities; improve performance, reliability, and operational efficiency; write tests and documentation; troubleshoot production issues; review code; mentor engineers; and collaborate with Product, Data Science, frontend, and backend teams.

Develop and maintain Python-based automated tests for functional and software security validation. Integrate testing into CI/CD pipelines and support authentication, authorization, API security, vulnerability, and robustness testing. Collaborate with engineering and security teams on secure-by-design development, DevSecOps, security automation, and AI-assisted testing for optical networking solutions.

Join a cross-functional Scrum team to embed quality throughout the software lifecycle. Design and maintain Python and pytest automation aligned with CI/CD, apply AI and LLM techniques for test generation and defect analysis, and perform root-cause troubleshooting. Participate in Agile ceremonies, requirements analysis, and reviews while collaborating with developers, architects, and testers. The role supports recent graduates through mentorship and hands-on experience in automated testing, AI quality frameworks, telecommunications, and optical networking.

Supports pharmaceutical quality assurance activities under cGMP, including audits, documentation, change controls, deviations, validation, investigations, supplier qualification, KPI reporting, and regulatory compliance. The trainee assists project and product quality teams, maintains audit readiness, supports manufacturing operations, and develops expertise in pharmaceutical QA while ensuring HSE compliance.

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.

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.

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.

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.

Manage pharmaceutical quality assurance activities in a GMP-regulated CDMO environment. Responsibilities include maintaining the QMS, overseeing deviations, CAPAs, change controls, validation, audits, inspections, documentation, supplier qualification, quality oversight of manufacturing, and continuous improvement. The role collaborates across manufacturing, quality control, regulatory affairs, procurement, and external suppliers while supporting compliance, inspection readiness, and quality training.

Lead QA activities by analyzing requirements, creating test plans, executing manual and automated tests (functional, regression, integration), validating APIs and UX, tracking defects, integrating tests into CI/CD, and mentoring junior QA engineers to ensure high-quality SaaS, web, and mobile releases.

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.

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.

Owns the technical architecture and evolution of a QA Test Center offering, including test automation, governance, tooling, integrations, environments, CI/CD pipelines, reporting, and AI adoption. Supports client-facing presentations, assessments, demos, proofs of concept, and technical pre-sales. Documents repeatable solutions, adapts them to client environments, and serves as the technical reference for delivery teams.

Owns the technical architecture and evolution of a QA Test Center offering. Defines QA governance, test automation, AI adoption, tooling, integrations, environments, CI/CD pipelines, reporting, and dashboards. Supports client presentations, technical pre-sales, demos, proofs of concept, and adaptation to existing QA stacks. Documents repeatable solutions, advises delivery teams, monitors emerging QA technologies, and serves as the technical reference point for the offering.

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.

Leads pharmaceutical quality assurance and Qualified Person activities, ensuring cGMP, GDP, regulatory, and patient-safety compliance. Certifies and releases API, drug product, and investigational batches; oversees quality systems, deviations, recalls, audits, validation, stability, supplier quality, and regulatory interactions. Manages teams, drives continuous improvement, and provides autonomous quality and risk decisions across the product lifecycle.

Supports manual, regression, and automated testing of new and existing software. Responsibilities include creating test plans and cases, identifying and tracking defects, reviewing requirements, maintaining quality metrics, investigating issues, and improving testing processes. The role collaborates with QA, Applications, and Product teams while developing technical skills and progressing toward a Quality Assurance Engineer position.

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.

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.

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.

Designs and executes functional, integration, API, and end-to-end testing across Salesforce, Azure/.NET applications, and Genesys Cloud. Builds and maintains automated test suites, integrates testing into CI/CD pipelines, owns regression frameworks, validates cross-platform customer journeys, manages defects, reports quality metrics, and communicates risks. The role collaborates with developers, architects, Product Owners, and delivery teams to establish quality standards and improve test coverage.

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.