Senior QA Engineer

Wymagania: Must-have (technical): - Strong C# (modern features) and .NET 8 test code experience.- Experience with test frameworks: NUnit and test runners.- UI automation with Playwright/Selenium using Page Object Model.- API automation using HttpClient / RestSharp; JSON validation and schema checks.- Worked with BDD (Specflow/ReQNRoll).- Test architecture: reusable helpers, stable selectors, retry/backoff for flakiness.- CI/CD automation experience (Bitbucket/Bamboo)- Fluent Git knowledge, code review practices and maintaining test pipelines.- Failure diagnostics, debuging.- Open for manual testing according to needs. Nice-to-have: - GitHub Copilot Experience: - 5+ years in automation on .NET stacks Codzienne zadania: - Design, develop, and maintain scalable automated test frameworks for C# / .NET 8 applications. - Build and extend automated UI, API, integration, and end-to-end test suites. - Define and drive test automation strategy, quality standards, and best practices. - Integrate automated tests into CI/CD pipelines and ensure reliability of test execution. - Analyze test results, troubleshoot issues, and collaborate closely with development teams. - Improve test stability, execution time, and overall QA efficiency. - Contribute to application architecture from a testability and quality perspective. - Mentor junior QA engineers and promote a strong quality engineering culture.