To support a complex enterprise-grade Agent Development Platform initiative, the full-time Senior Automation QA Engineer will design, build, and maintain automated test suites for both Frontend and Backend systems, ensuring quality and reliability through innovative testing strategies in a remote environment. Key responsibilities: Design and maintain automated test suites for platform components, including contract tests and long-running workflows Implement adversarial testing strategies to validate non-deterministic behaviors and ensure system reliability under various conditions Integrate test suites into CI/CD processes as release gates, producing auditable evidence for client milestone sign-offs Required qualifications: 8+ years of experience in test automation, particularly with API testing and building test frameworks Hands-on experience with testing LLM-powered systems, including statistical assertions and semantic scoring Strong skills in CI/CD integration and designing release gates using tools like GitHub Actions Proficiency in Playwright and TypeScript for building automated test suites Solid SQL skills and experience in creating synthetic test-data pipelines