
Senior Software Development Engineer in Test (SDET)
Topstep seeks a Senior Software Development Engineer in Test to lead automation across API, UI, and end-to-end paths for a real-time futures trading platform. The role requires building and maintaining CI/CD-integrated test frameworks (TypeScript preferred), extending AI-assisted test-generation tooling, ensuring coverage for real-time streams and financial calculations, and mentoring engineers on testing practices and non-functional testing.










