SDET: .NET Automation Engineer — Hybrid (Atlanta)

Stellent IT LLC; Atlanta (GA); Hybrid; USD 80,000 - 110,000; Full time

Job summary

Stellent IT LLC is seeking a highly motivated SDET to join the team in Atlanta. The role balances manual testing with automated validation of .NET Framework and .NET Core applications. The candidate should be able to grow into Java-based testing as technology needs evolve.

The role emphasizes building scalable automation, integrating tests into CI/CD pipelines, and collaborating across dev, product, and QA teams to improve quality and delivery speed.

Qualifications

• 4 years of experience in manual and automation testing.
• 3 years in .NET Framework and .NET Core applications.
• 1 year in test automation using C# with modern frameworks (NUnit, xUnit, Selenium, Playwright).
• 2 years of API testing (REST/SOAP) using Postman, RestSharp.

Responsibilities

• Design, develop, and execute manual and automated test cases to ensure high-quality software delivery.
• Build and maintain scalable automation frameworks for UI, API, and integration testing.
• Validate application functionality against business and functional requirements.
• Collaborate with development, product, and QA teams to refine acceptance criteria and prevent defects early in the lifecycle.
• Integrate automated tests into CI/CD pipelines to enable continuous testing and fast feedback loops.
• Perform functional, regression, integration, and performance testing across multiple environments.
• Analyze test results, troubleshoot defects, and ensure proper documentation and traceability.
• Contribute to test planning, test data management, and release validation activities.
• Continuously improve testing strategies, tools, and processes for better coverage and efficiency.

Tools

Selenium

Playwright

NUnit

xUnit

Postman

RestSharp

Job description

Stellent IT LLC is seeking a highly motivated SDET to join the team in Atlanta. The role balances manual testing with automated validation of .NET Framework and .NET Core applications. The candidate should be able to grow into Java-based testing as technology needs evolve.

The role emphasizes building scalable automation, integrating tests into CI/CD pipelines, and collaborating across dev, product, and QA teams to improve quality and delivery speed.