Top QA Engineer Jobs in Hamburg

Design, implement, and maintain scalable automated test suites (E2E, integration, UI); build testing tools, mock layers, and configs; perform exploratory manual testing; collaborate with product and engineering to refine acceptance criteria, reproduce bugs, and manage bug lifecycle to protect application stability and accelerate developer velocity.

Build the QA foundation for a greenfield Campaign Engine product: define QA strategy, set up manual testing frameworks for API and web UI, perform manual and exploratory testing, manage bug triage and tracking, and act as quality advocate within a cross-functional team.

Design, build, and maintain automated test suites and perform manual exploratory testing for slots, instant-win games, and scratchcards. Define game-specific test strategies, run cross-device and cross-browser tests, maintain test documentation, support regulatory compliance and certification efforts, and collaborate with developers, designers, and artists to ensure a player-first quality mindset.

Senior QA & Compliance consultant providing SME support for Blood & Plasma investigational and commercial products across the EU. Duties include QP-related activities (batch certification), GxP auditing, QMS development, GDP/Responsible Person duties, risk assessments, client training, project delivery and profitability, and promoting CQA services while keeping regulatory knowledge current.

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

The Quality Assurance Manager will prioritize and manage bug reports, coordinate testing efforts, and contribute to automatic testing strategies while ensuring product quality and stakeholder communication.

Design and implement QA strategies and automation frameworks, analyze product requirements, mentor team members, and ensure testing aligns with business needs.

Lead QA for the customer-facing Storefront API: design and execute manual and automated (Playwright) tests, maintain smoke and end-to-end suites, collaborate with engineers on test cases/data, and oversee deployments in an agile environment.

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.

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.

Lead end-to-end QA for mobile SDKs and analytics: design and execute test strategies, perform device and backend testing, build/maintain automation, investigate system health with observability tools, and collaborate closely with engineers to validate releases.

Perform manual and exploratory testing across frontend and backend, validate APIs and data using SQL, contribute to UI/API automation (Playwright/Cypress/Postman), document bugs in Jira, participate in sprint planning, and own quality and regression testing before releases.

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.

Design, improve, and execute test scenarios for Kotlin-based web applications; perform exploratory testing; investigate and reproduce complex user issues; review requirements; communicate with teams to find optimal solutions and maintain high-quality sales and licensing services.

The Senior Automation QA Engineer will document test plans, perform regression testing, identify software defects, collaborate with teams, and maintain testing environments.

Lead QA automation for a healthcare scheduling platform: define test strategy, build and maintain Playwright + TypeScript E2E tests, manage risk-based regression, perform manual/exploratory testing, validate authentication and permissions, collaborate with engineers on test coverage, and evolve the testing framework.

Design, build, and maintain automated test suites, evaluation scenarios, metrics, and datasets for AI-powered features. Automate QA workflows with Python and CI/CD, test APIs and ML model outputs, define quality strategy and acceptance criteria, create CI/CD quality gates, mentor teams, participate in code reviews, and document findings.

Design and implement automated tests, perform manual backend investigations, reproduce and track defects, conduct root-cause analysis, document test scenarios, expand scripted coverage, and improve QA processes while collaborating with developers, product managers, and stakeholders.

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.