Tech Consultant - SDET .NET Automation

Compunnel, Inc.; Atlanta, Northern (GA, KY); Hybrid; USD 90,000 - 130,000; Full time

Job summary

Compunnel, Inc. seeks a results-driven Software Development Engineer in Test (SDET) in Atlanta, GA. You will balance manual testing with automation, focusing on UI, API, and integration testing for .NET applications, and expanding into Java-based testing as needed.

This hybrid role requires a proactive, ownership-minded professional. You will design and execute test cases, build automation frameworks, and validate functionality against requirements.

Qualifications

• 4+ years of experience in manual and automation testing.
• 3+ years testing applications built on .NET Framework and .NET Core.
• 1+ year of test automation using C# with NUnit, xUnit, Selenium, and Playwright.
• 2+ years API testing using REST/SOAP; familiarity with Postman and 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 software lifecycle.
• Integrate automated tests into CI/CD pipelines to enable continuous testing and rapid feedback.
• Perform functional, regression, integration, and performance testing across multiple environments.
• Analyze test results, troubleshoot defects, and maintain appropriate documentation and traceability.
• Contribute to test planning, test data management, and release validation activities.
• Continuously improve testing strategies, tools, and processes to increase coverage and efficiency.

Skills

Manual testing

Automation testing

API testing

C# programming

Tools

NUnit

xUnit

Selenium

Playwright

Postman

RestSharp

Job description

We are seeking a highly motivated and results-driven Software Development Engineer in Test (SDET) to support high-quality software delivery through a combination of manual testing and advanced test automation. The role focuses on applications built on .NET Framework and .NET Core platforms, including UI, API, and integration testing. The ideal candidate is a self-starter, quick learner, adaptable contributor, and strong owner who continuously seeks to improve testing strategies and processes and is open to expanding into Java-based application testing as technology needs evolve. This position is based in Atlanta, Georgia, with a hybrid schedule of 3 days per week in the office.

Key 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 software lifecycle.
• Integrate automated tests into CI/CD pipelines to enable continuous testing and rapid feedback.
• Perform functional, regression, integration, and performance testing across multiple environments.
• Analyze test results, troubleshoot defects, and maintain appropriate documentation and traceability.
• Contribute to test planning, test data management, and release validation activities.
• Continuously improve testing strategies, tools, and processes to increase coverage and efficiency.

Required Qualifications

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

Preferred Qualifications

• Experience with data migration testing, including ETL validation, data reconciliation, and source-to-target comparisons.
• Exposure to event-driven or microservices architectures.
• Familiarity with cloud platforms such as AWS or Azure.
• Experience with or strong interest in Java-based testing frameworks such as JUnit, TestNG, and RestAssured.
• Experience with performance or load testing.
• Knowledge of contract testing and API validation strategies.
• Experience working in Agile/Scrum delivery models.