Top QA Engineer Jobs in Hamburg

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.

Design, develop and run automated end-to-end tests for checkout; lead regression testing, manage bug lifecycle, validate APIs against OpenAPI, analyze data/workflows and coordinate cross-functional testing to ensure stable, high-traffic transaction flows.

Lead QA for the Site Intelligence product: build QA processes and standards, design and implement scalable test automation for backend APIs, UI, microservices and data pipelines, validate cross-system integrations, and integrate automated tests into CI/CD. Partner with product, engineering, and infrastructure teams to embed quality throughout the development lifecycle and ensure reliable staging and release processes.

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.

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.

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.

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 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 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.

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.

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, 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.

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.

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

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 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.

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.

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, implement, and maintain automated test frameworks and suites (Selenium); integrate automated tests into CI/CD pipelines; define testing strategies across the SDLC; track and document defects; collaborate with developers and product teams; consume APIs with Postman; improve QA processes, defect management, and test environments (including HIL where required); ensure compliance with quality and cybersecurity standards.

Test native iOS and Android photo-editing apps (manual and automated), validate image-processing and ML features, design/maintain automated test suites, perform exploratory testing, use AI-assisted tools for test generation and analysis, report QA metrics, collaborate with cross-functional teams, and create testing documentation.

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.