> Markdown version of [/jobs/ext/2270524-software-testing-engineer](https://www.wearedevelopers.com/jobs/ext/2270524-software-testing-engineer). 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). --- # Software Testing Engineer - **Company:** Cosmos IT Solutions - **Location:** Washington, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Testing (Software), Microsoft Access, Microsoft Word, Java (Programming Language), Microsoft Excel, Agile Methodology, Automation of Tests, Data Files, Relational Databases, JSON, Python (Programming Language), Microsoft Visio, Regression Testing, Smoke Testing, SoapUI, Software Engineering, SQL Databases, Extensible Markup Language (XML), Scripting, Postman, Office365, Api Management - **Published:** August 27, 2026 - **Apply:** https://www.dice.com/job-detail/2ccdb059-7660-4629-8ad0-9ffac8c9173a ## About the Role Minimum of 5-7 years' experience, in technology or software development preferred. Experience eliciting and documenting business process and requirement. Experience creating manual and automated test scripts, performing customer acceptance testing or user acceptance testing; document test results, and providing test artifacts. Experience performing production validation through smoke testing, regression testing, and functional testing; document test results, and providing test artifacts. Experience working with data files and formats such as CSV, XML, JSON; and relational databases. Experience with MS O365 tools: MS Excel, Word, Project, Visio, Access, Workflow Hands-on knowledge of scripting language such as SQL, Java, Python (optional) Experience with API Testing using tools like Postman, SoapUI, or similar Experience with software test management using Agile and/or Waterfall methodology. Experience using automation tools Software Testing certification is preferred. ## Related Videos - [Are Your APIs Ready for AI Agents](https://www.wearedevelopers.com/videos/2004-are-your-apis-ready-for-ai-agents) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Testing .NET applications a Tool box for every developer](https://www.wearedevelopers.com/videos/704-testing-net-applications-a-tool-box-for-every-developer) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [JSON and Beyond](https://www.wearedevelopers.com/videos/968-json-and-beyond) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [How to create a test plan for software testing](https://www.wearedevelopers.com/magazine/56-how-to-create-a-test-plan-for-software-testing) - [What is a Test Plan: Guide to Test Planning](https://www.wearedevelopers.com/magazine/191-what-is-a-test-plan-guide-to-test-planning) - [Integration And E2E Testing: Are They Complementary or Interchangeable?](https://www.wearedevelopers.com/magazine/86-integration-and-e2e-testing-are-they-complementary-or-interchangeable) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)