Top QA Engineer Jobs in Berlin

Perform manual testing of the web app and website, identify bugs and UX issues, report clear reproduction steps, verify UI consistency, support pre-release testing, and help improve onboarding, simulation, booking, and profile flows.

As a Senior QA Automation Engineer at Fireblocks, you will own the quality of financial applications, utilizing automation and AI to enhance testing processes and ensure robust product reliability.

Support quality in high-precision production of optical components and assemblies: act as main quality contact, perform inspections and release decisions, manage deviations, maintain documentation, lead root-cause analysis and corrective actions, and drive continuous improvement with manufacturing and engineering teams.

Lead manual QA for Paper.io 2 mobile game: design test plans, find and document defects, create QA processes/tools, track live KPIs, collaborate with design/dev teams, and support quality initiatives across studios.

As a Quality Assurance Engineer, you'll own testing tasks, design manual/automated test cases, analyze results, and ensure compliance with quality standards.

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.

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 QA Engineer will design testing strategies, review specifications, create automation scripts, and collaborate with teams to ensure product quality.

The Quality Assurance Analyst will ensure the quality and usability of mobile and web applications through testing, documentation, and collaboration with teams.

The QA Engineer will ensure quality, reliability, and performance of mobile apps through automated and manual testing, API testing, and collaboration with cross-functional teams to improve software quality.

As a QA Engineer, you will test web and mobile apps, advocate for users, validate experiments, track bugs, and contribute to test automation.

Design, develop, and maintain cross-platform automated tests and CI for Maven/Gradle workflows in IntelliJ IDEA; expand coverage, reduce flakiness, debug failures, track quality metrics, and collaborate with QA and developers.

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.

As a QA Automation Engineer, you will develop and maintain automated test frameworks, create tests, integrate into CI/CD, and ensure application quality.

The Backend QA Engineer will ensure the reliability, performance, and scalability of backend systems, focusing on testing APIs and databases while collaborating with engineering teams.

Join COLIBRIX.ONE as a Manual AI-Assisted QA Engineer focusing on fintech solutions, validating payment and wallet flows through various testing methods while leveraging AI tools for optimization and efficiency.

The Senior Quality Engineer will design automated test frameworks, ensure risk-based coverage, conduct exploratory testing, and mentor peers in a remote-first startup environment.

Perform exploratory and regression testing of Kotlin language features and compiler frontend changes; localize and report bugs; contribute automated tests; plan testing with developers; create and debug small test programs; work with IDEs, VCS, bug trackers, and CI systems.

The QA Engineer will shape testing strategies, ensure robust test coverage, collaborate across functions, and mentor junior engineers.

Lead Embedded QA efforts for hardware and mobile products: build and maintain HIL test infrastructure, own mobile testing tools, enforce quality standards, implement CI-driven test libraries, support releases, and promote a quality-first mindset across the Hardware tribe.

Own end-to-end QA for a mobile F2P game: write test plans and Python automation, perform performance profiling on iOS/Android, monitor regressions, coordinate playtests/releases, and drive QA process and tooling improvements.

Lead and scale QA automation for a legal AI product: design and own test frameworks, build complex end-to-end/integration tests, improve CI pipelines, integrate AI-powered testing tools, and establish patterns for non-deterministic LLM/RAG/async flows while coaching engineers on test design.

Design and execute test plans and cases in an agile team, drive frontend and backend test automation, integrate continuous testing into CI/CD, manage test data and environments, oversee releases to go-live, and help evolve QA strategy including AI-supported testing methods while coordinating with stakeholders and providers.

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.