SDET .NET Developer
Tech3pillars Technologies
Job Title : SDET .NET Developer
Location : Austin, TX
Job Summary
We are seeking an experienced SDET .NET Developer with strong expertise in software test automation, C#, and .NET technologies. The ideal candidate will be responsible for designing, developing, and maintaining automated testing frameworks for UI and API-based applications.
The candidate should have strong hands-on experience with Selenium/Playwright, API automation, SQL, test frameworks, Git, and CI/CD pipelines and should be comfortable working in an Agile development environment.
Key Responsibilities
Design, develop, and maintain robust test automation frameworks using C# and .NET.
Develop automated UI tests using Selenium WebDriver, Playwright , or similar tools.
Develop and execute automated API tests using RestSharp, Postman, Swagger/OpenAPI , or similar tools.
Create automated tests for functional, regression, integration, and end-to-end scenarios.
Validate REST APIs, JSON/XML payloads, methods, response codes, and business logic.
Write and execute SQL queries for backend data validation.
Integrate automated test suites into CI/CD pipelines .
Work with Azure DevOps, Jenkins, GitHub Actions, or similar CI/CD platforms.
Analyze test failures, troubleshoot defects, and collaborate with developers to resolve issues.
Maintain test scripts, frameworks, test data, and automation documentation.
Participate in Agile ceremonies including sprint planning, daily stand-ups, retrospectives, and defect triage.
Required Technical Skills
Experience in SDET, QA Automation, or Test Automation.
Strong hands-on experience with C# and .NET / .NET Core .
Strong experience with Selenium WebDriver and/or Playwright .
Hands-on experience with API automation testing .
Experience with RestSharp, Postman, Swagger/OpenAPI , or equivalent tools.
Experience with NUnit, MSTest, or xUnit .
Strong understanding of RESTful APIs, JSON, XML, and web services .
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