Top QA Engineer Jobs in Prague

As a Senior QA Engineer, you will design and implement automated tests, collaborate on test strategies, and enhance testing pipelines while ensuring a user-centric approach in a cloud-native communication platform.

As a Performance QA Engineer, you will develop automated performance tests, identify system issues, analyze performance metrics, and enhance testing frameworks to ensure distributed system reliability.

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.

As a Senior QA Engineer, you will enhance quality in the backend systems, collaborate with team members, and improve testing processes throughout the development cycle.

Ownership of QA for Web3 products: design and implement API and backend test strategies, build automation suites, manage and resolve bugs, maintain testing documentation, and collaborate cross-functionally to shift testing left and ensure product quality.

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.

Responsible for manual-first, API-heavy QA of payment flows: risk-based test scope, API/webhook end-to-end validation, PostgreSQL data checks, maintaining smoke/regression suites, converting incidents into tests, and delivering concise release QA notes.

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 50/50 manual and automated testing in Python, extend and stabilize an existing automation framework, design test strategies, integrate tests into CI/CD, conduct API, performance and load testing, collaborate with developers and stakeholders, and improve QA processes.

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.

Own QA operations and release quality for civil engineering software. Collaborate with scrum teams to run manual and automated tests, design and maintain test cases, report and track defects, reproduce customer issues, automate dashboards/APIs, and improve testing processes to reduce product quality risk.

Own and drive QA processes for the Nexus team: develop and maintain automated API/UI tests, perform backend manual testing, maintain test infrastructure (CI/CD, Docker), document workflows, collaborate with product and engineering, and support internal users troubleshooting product issues.

The Automation QA Engineer will conduct manual and automated testing, improve test quality, analyze requirements, and contribute to testing strategies using PHP and Codeception.

The General Automation QA Engineer will perform both manual and automated testing, improve product quality, and collaborate with QA and engineering teams.