> Markdown version of [/jobs/ext/3922006-mid-level-software-test-engineer-266k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/3922006-mid-level-software-test-engineer-266k-yr-ts-sci-fs-poly). 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). --- # Mid-Level Software Test Engineer [$266k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Herndon, VA, United States - **Experience:** Experienced - **Salary:** $266,000.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Agile Methodology, Amazon Web Services, Software Applications, Database Storage Structures, Integrated Development Environments, Scrum Methodology, Software Engineering, Software Troubleshooting, Backend, Microservices - **Published:** October 26, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9250953/mid-level-software-test-engineer-266kyr-tssci-fs-poly ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 11+ years * Total Compensation: $266k+ yearly ## Description * Perform comprehensive software application testing and quality assurance for backend microservices. * Support software development, database engineering, and AWS cloud integration within an Agile framework., * Design, develop, and execute comprehensive test plans, scripts, and procedures for complex applications. * Collaborate with engineering teams to build and maintain scalable backend microservices and database structures. * Implement automated and manual testing strategies to identify, track, and resolve system defects. * Leverage AWS cloud technologies and enterprise tools in a fast-paced Agile/Scrum development environment. * Troubleshoot complex technical issues and ensure delivery of reliable, high-performance software solutions.