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...