Top QA Engineer Jobs in Czechia

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.

Own and prioritize the product backlog for customer-facing mobile apps, write user stories and acceptance criteria, collaborate with engineering, UX/UI, QA and analytics, support discovery and go-to-market activities, monitor customer behavior and KPIs, and deliver incremental product improvements across European markets.

Write and execute manual and automated tests (front-end and back-end), document workflows, test REST APIs, create Zephyr test cases, automate regression with Claude Code and Playwright, integrate tests into CI, and maintain QA procedures and standards.

Plan and perform functional, technical, and performance testing of trading software and the theoretical price engine. Create and maintain test models and automation scripts, coordinate with functional and operations teams, support simulations and production, and act as the final QA gateway for releases.

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.

Own end-to-end quality validation for new features and releases on a genomics platform. Design, build, and maintain scalable automated regression suites (Playwright/Cypress/Selenium), run API/integration tests (Postman/Swagger), integrate tests into CI/CD, lead exploratory testing and release readiness, track defects to resolution, improve QA processes, and mentor junior QA engineers while communicating quality risks across teams.

The QA Engineer will lead testing initiatives, identify bugs, collaborate with development teams, and design AI solutions for customer products.

Ubiquiti is seeking a Manual QA Engineer for manual testing of web and mobile apps, bug reporting, and communication with R&D teams, requiring 2+ years of experience and network knowledge.

Lead and own QA strategy and governance across a fast-growing, AI-native insurance platform. Define QA processes, scale automated and performance/security testing, deliver executive-level quality reporting, mentor QA leads, and partner with engineering and product teams to ensure robust testing, automation, and release stability across web and API products.

Perform manual testing of mobile games across real devices and emulators; identify, document, and track bugs; develop and maintain test cases and automated scripts using Python with Selenium or Playwright; work with CI/CD and Docker; use Jira, TestRail, Confluence, and Postman; collaborate with product owners and developers and improve QA processes.

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.

Perform hands-on functional and exploratory testing of Veeam products: analyze requirements, execute tests, evaluate results, log and manage defects, and collaborate with development teams to ensure product quality.

Implement and maintain automated and exploratory tests for reader firmware. Design performance, interface, and stability tests, run automated tests on embedded hardware, validate secure behavior, and use tools like Wireshark and logic analyzers while collaborating within a small development team.

On-site QA Engineer in Brno testing Terminal and Kiosk apps on real devices and hardware. Perform exploratory/manual testing, extend Maestro automation for stable user journeys, validate Android/iOS releases, collaborate with developers, and improve testing strategy and CI/CD pipelines.

The QA Automation Engineer will design and execute automated end-to-end tests, report bugs, perform testing, and maintain test frameworks.

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.

Lead and implement automation testing strategy, design and run automated test suites (functional, integration, load, distributed, chaos), mentor engineers, maintain frameworks and CI/CD pipelines, report quality metrics, and collaborate with product and development teams to improve testing processes.

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.

Lead QA for AI platforms by defining test strategy, automation, and quality governance. Design AI-specific and CI/CD-integrated test frameworks, validate agent behavior, manage QA team, enforce quality gates, drive metrics and continuous improvement across engineering and product teams.

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.

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.

Contribute to testing cycles for reference data management: design and execute tests, automate and maintain test frameworks, collaborate to resolve defects, ensure data integrity, produce test reports, and participate in Agile ceremonies to drive continuous improvement.

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.

Design, implement, and maintain test strategies and automated tests for backend services, APIs, data pipelines, and web applications. Identify and document defects, improve test coverage and reliability, integrate tests into CI/CD, and collaborate with engineers and product teams to prevent issues and ensure production reliability. Participate in debugging using logs, metrics, traces, and database queries.