Senior Test Automation Engineer - .NET UI/API, CI/CD

Diverse CG Sp. z o.o. Sp.k.; Województwo pomorskie; On-site; PLN 111,600 - 167,400; Full time

Benefits offered by this job

Private medical care

Co-financing for the sports card

Constant support of dedicated consultant

Job summary

Diverse CG Sp. z o.o. Sp.k. is looking for a Senior Test Automation Engineer in Poland, Województwo pomorskie. This role involves owning and scaling automated test suites for C#/.NET solutions, designing and maintaining test automation for UI and APIs, and integrating these within CI/CD pipelines. Ideal candidates will have over 5 years of test automation experience, strong skills in C# and .NET 8, and proficiency in UI testing using Playwright/Selenium. Benefits include private medical care and sports card co-financing.

Qualifications

• 5+ years of experience in test automation within .NET‑based stacks.
• Strong hands-on experience with C# and .NET 8 test code.
• Solid experience in UI test automation using Playwright and/or Selenium.

Responsibilities

• Own and scale automated test suites for a C# / .NET 8 solution.
• Design, implement, and maintain test automation for UI and APIs.
• Integrate and maintain test automation within CI/CD pipelines.

Skills

C# modern features

Test automation frameworks (NUnit)

UI test automation (Playwright/Selenium)

API test automation (HttpClient/RestSharp)

JSON validation and schema checks

Behavior Driven Development (SpecFlow/ReQNRoll)

CI/CD automation

Git version control

Failure analysis and debugging

Manual testing willingness

English proficiency

Job description

Diverse CG Sp. z o.o. Sp.k. is looking for a Senior Test Automation Engineer in Poland, Województwo pomorskie. This role involves owning and scaling automated test suites for C#/.NET solutions, designing and maintaining test automation for UI and APIs, and integrating these within CI/CD pipelines. Ideal candidates will have over 5 years of test automation experience, strong skills in C# and .NET 8, and proficiency in UI testing using Playwright/Selenium. Benefits include private medical care and sports card co-financing.