Software Development Engineer in Test (SDET) - Okemos, MI

DTS is looking for experienced Software Development Engineer in Test (SDET) for our Client position based in Okemos, MI Summary We are seeking a forward-thinking SDET to help modernize and lead our test automation strategy. To be clear, the candidate needs to understand why they are doing what they are doing and be able to clearly articulate it to others (not an order taker).

This role will focus on building and maintainingscalable, maintainable, and integrated test automation frameworksacross UI and API layers using modern tools likePlaywright and TypeScript, while also contributing to CI/CD testing integration. The SDET will also play a key role insupporting manual testing effortswithin Agile feature teams guiding test case creation/documentation, exploratory testing, and quality validation for areas not yet automated.

This position is critical to enablingfeature teams to take ownership of both automated and manual testing, ensuring faster, higher-quality releases. Primary Responsibilities Partner with Agile feature teams to understand user stories, define acceptance criteria, and promote atest-first mindset through collaboration in design and refinement sessions. Build, maintain, and evolve test automation frameworks using Playwright (preferred), Typescript, or other enterprise-approved tools to supportAPI and UI testing. Drive the transition from legacy frameworks (e.g.

Selenium + Java, Postman/Newman) to unified automation aligned with our CI/CD strategy. Collaborate with developers and QA engineers to ensure test cases are executed in CI pipelines and provide fast, actionable feedback. Testcase design, exploratory testing, and validation of complex workflows that are not yet automated. Develop and maintainautomated API tests (REST/SOAP)andend-to-end teststhat validate functional and non-functional requirements. Participate in code reviews and contribute to test architecture decisions to ensurereliability, reusability, and scalabilityof test assets.

Write and maintainSQL queriesto validate data integrity and support test data creation strategies. Serve as aquality engineering champion help guide automation strategy, mentoring peers, and contributing to continuous improvement of QA practices. Ensure traceability between requirements, tests, and defects, and support compliance with enterprise policies (e.g., HIPAA, security, audit readiness). Support feature teams with manual testing effortswhen needed, including test