Software Development Engineer in Test (SDET)

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Software Development Engineer in Test (SDET) based in the United States. The SDET will play a key role in strengthening software quality, reliability, and performance across a healthcare-focused SaaS platform. This position combines hands-on test automation engineering with ownership of the broader testing strategy and roadmap. You will design and maintain automated testing solutions for .NET backend services, APIs, web applications, and cloud-based workflows. Working closely with engineering, product, and quality teams, you will help ensure data integrity, regulatory compliance, and dependable user experiences. You will also introduce AI-assisted testing practices and performance monitoring to improve coverage and accelerate release cycles. This is an opportunity to influence engineering standards while mentoring other automation professionals in a collaborative, fast-paced environment.