Senior Test Automation Engineer C#, .NET, Playwright, Selenium, Git, GitHub Copilot Gdańsk

Senior Test Automation Engineer

Own and scale automated test suites for a C# / .NET 8 solution Design, implement, and maintain test automation for UI and APIs Perform UI automation using Playwright / Selenium with Page Object Model Implement API automation, including request handling, JSON validation, and schema checks Apply BDD practices using SpecFlow or ReQNRoll Design and maintain test architecture, including reusable helpers, stable selectors, and flakiness handling (retry/backoff) Integrate and maintain test automation within CI/CD pipelines (Bitbucket / Bamboo) Perform failure diagnostics and debugging of automated tests Conduct manual testing when required, based on project needs Collaborate within the team to ensure test quality and stability Requirements

Strong hands‑on experience with C# (modern language features) and .NET 8 test code Experience with test frameworks such as NUnit and test runners Solid experience in UI test automation using Playwright and/or Selenium Experience in API test automation using HttpClient and/or RestSharp Knowledge of JSON validation and schema checks Practical experience with BDD (SpecFlow / ReQNRoll) Experience in designing robust test automation architecture Hands‑on experience with CI/CD automation (Bitbucket, Bamboo) Strong Git knowledge, including code reviews and test pipeline maintenance Experience in failure analysis and debugging Willingness to perform manual testing when required Very good command of English, both spoken and written 5+ years of experience in test automation within .NET‑based stacks Nice to have

Experience using GitHub Copilot Offer

Private medical care Co‑financing for the sports card Constant support of dedicated consultant