Role Summary ATG is hiring a Senior Software Development Engineer in Test (SDET) for a developer- First quality role. The ideal candidate has the same core coding background we expect from a Senior Full Stack Software Engineer: strong React/TypeScript, strong C#/.NET, SQL, CI/CD, production debugging, and experience working in complex service-based Systems. This is a good fit for a senior developer who is interested in moving into an SDET role and wants to use engineering skill to improve quality, testability, automation, and Release confidence. Prior QA or testing experience is a plus, but it is not the primary requirement. What You Will Do - Build, improve, and maintain automated tests, test utilities, and quality tooling using TypeScript, C#/.NET, and modern engineering practices. - Work closely with developers, QA, product, and SDETs to make customer-facing Features are easier to test, safer to release, and easier to debug in production. - Contribute hands-on to React/TypeScript fr...