Software Engineer in Test

What you’ll do Test Infrastructure & Automation • Design, build, and maintain scalable test automation frameworks for API, UI, and end-to- end testing across Xometry’s suite of products • Integrate automated test suites into CI/CD pipelines to enable fast, reliable feedback loops for development teams • Build and maintain test observability tooling including dashboards, flakiness tracking, and failure triage automation • Partner with engineers to define testability requirements and embed quality practices early in the software development lifecycle Agentic Test Authoring • Design and maintain agent-readable context files (CLAUDE.md, AGENTS.md, etc.) that Give AI coding agents the knowledge they need to write correct, idiomatic E2E tests • Write reusable agent skills and rules that encode your team’s testing conventions, page object patterns, assertion strategies, and fixture management - so agents produce tests that pass code review • Build and maintain agent workflows (e.g., Claude Co...