Top QA Engineer Jobs in Cologne

Lead quality assurance for medical devices and combination products across development and sustaining lifecycles. Provide risk-based design control and quality system oversight, review complaint investigations, support post‑market activities, partner with cross‑functional teams, and drive process improvements to ensure regulatory compliance and patient safety.

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.

Perform manual and automated functional and regression testing of marketing sites, web services, and analytics. Build automated checks, leverage AI to generate tests and data, validate tracking and localization, document QA artifacts, report metrics, and collaborate with Marketing, Analytics, Engineering, and Mobile teams to ensure reliable product and marketing 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.

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.

Leads the end-to-end QA strategy for Camunda 8, including quality gates, automation, reliability, performance, resilience testing, metrics, dashboards, and release governance. Manages functional and reliability QA teams totaling 12 individual contributors, a principal engineer, and a manager. Partners with engineering, product, UX, documentation, and field teams to embed quality across the organization and scale QA processes for Kubernetes, cloud, and bare-metal environments.

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.

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.

Provide executive-level administrative support to the SVP GQA, managing calendar, travel, communications, meeting minutes, follow-ups, and stakeholder liaison. Oversee departmental administrative tasks including budgeting, invoice processing, presentations, SharePoint/United content, event organization, and internal communications while maintaining confidentiality and acting proactively under pressure.

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.

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.

The Senior Software Quality Engineer will enhance test automation frameworks, improve efficiency and quality of products, and collaborate across teams.

Design, implement, and maintain cross-platform automated end-to-end tests for IntelliJ IDEA Ultimate. Expand test coverage, reduce flakiness, track quality metrics, debug failures, improve CI/CD and test infrastructure, collaborate with QA and developers, and perform manual QA when needed.

Verify and quality-check evaluation tasks for frontier AI models: confirm correct answers and evidence, spot and explain errors, apply skeptical verification, and communicate concise findings. Work remotely ~20 hours/week on a one-month contract (possible extension), meet delivery deadlines, and prioritize what needs deeper review versus quick resolution.

Consult as a remote Quality Engineer building and maintaining automated test frameworks (Playwright/Selenium), integrating tests into CI/CD, performing API and database verification, driving SQA processes, advising clients through technical discovery and demos, and using AI-assisted tools to accelerate testing and governance.

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.

The Compliance & Quality Assurance Consultant manages compliance projects, consulting on quality and regulatory issues while developing QMS and ensuring adherence to GxP regulations.

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 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.