> Markdown version of [/jobs/ext/471268-senior-quality-engineer-net-test-automation](https://www.wearedevelopers.com/jobs/ext/471268-senior-quality-engineer-net-test-automation). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Quality Engineer (.NET / Test Automation) - **Company:** SYMHAS L.L.C. - **Location:** Dallas, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** .NET Framework, Software System Penetration Testing, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), Data Validation, Database Queries, Apache JMeter, Microsoft UI Automation, Nunit, Azure DevOps Pipelines, Mstest, Selenium, Software Engineering, Software Quality Assurance (SQA), SQL Databases, Web Content Accessibility Guidelines, Web Applications, Enterprise Software Applications, Performance Testing, Postman, Delivery Pipeline, Gatling, Backend, Xunit, Specflow, Bug Reporting, Playwright, Selenium Webdriver, Api Management - **Published:** June 7, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=42a4493905e3f2fd ## About the Role Do you have experience in SQL?, * 5-6 years of experience in software quality assurance, with at least 3 years focused on automation * Strong expertise in C# / .NET test automation (NUnit, xUnit, MSTest, SpecFlow) * Proficiency in UI automation using Selenium WebDriver or Playwright * Experience with API testing using RestSharp, Postman, or similar tools * Knowledge of BDD/TDD methodologies and their implementation in .NET * Hands-on experience integrating tests into Azure DevOps CI/CD pipelines * Strong SQL skills for backend data validation * Excellent analytical and problem-solving skills with attention to detail Nice to Have * Experience with performance testing tools (JMeter, k6, Gatling) * Familiarity with accessibility testing standards (WCAG 2.1) * ISTQB certification or equivalent * Experience in security/penetration testing for web apps ## Description We are hiring a Senior Quality Engineer to lead and execute quality assurance activities across .NET-based enterprise applications. The ideal candidate will be a hands-on automation expert who can drive test strategy, build robust automation frameworks, and champion quality throughout the software development lifecycle., * Design and implement end-to-end test automation frameworks for .NET applications using tools such as Selenium, Playwright, SpecFlow, or NUnit/xUnit * Develop and maintain automated test suites covering functional, regression, integration, and API testing * Define and enforce QA standards, test plans, and traceability matrices across projects * Collaborate with developers, business analysts, and product owners during requirement analysis and sprint ceremonies * Conduct performance, load, and stress testing using tools such as JMeter or k6 * Integrate automated tests into CI/CD pipelines via Azure DevOps * Identify, document, and track defects with clear reproduction steps; validate fixes * Mentor junior QA engineers and promote shift-left testing practices across teams ## Related Videos - [pytest: Simple, rapid and fun testing with Python](https://www.wearedevelopers.com/videos/213-pytest-simple-rapid-and-fun-testing-with-python) - [Testing .NET applications a Tool box for every developer](https://www.wearedevelopers.com/videos/704-testing-net-applications-a-tool-box-for-every-developer) - [Using code generation for test automation – the fancy way](https://www.wearedevelopers.com/videos/230-using-code-generation-for-test-automation-the-fancy-way) - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) - [How I Built QA from Scratch in a Scaling Startup - no fluff real life story](https://www.wearedevelopers.com/videos/2041-how-i-built-qa-from-scratch-in-a-scaling-startup-no-fluff-real-life-story) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)