Must Have Qualifications:Fluent in English with excellent written and verbal communication skills.Senior software quality assurance experience, including extensive manual testing and test case design.Proficiency in building and maintaining automated tests in .NET (C#) for UI and/or API layers.Strong understanding of .NET/.NET Core, ASP.NET (MVC/Web API) fundamentals, HTTP, and JSON.Hands-on with Selenium and/or Playwright, plus NUnit/xUnit/MSTest; experience.Comfortable reading application code, using Visual Studio/Visual Studio Code, debugging tests, and collaborating on testability.Experience with Azure DevOps or GitHub for source control, boards/issues, and CI/CD pipelines.