Polymarket - Senior QA Engineer
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Requirements
• 3+ years in QA engineering or SDET roles, with time at startups scaling quickly • Strong automated testing skills. You've built test infrastructure from scratch, not just maintained existing suites. Experience with modern frameworks (Playwright, Cypress, or similar) • Trading or fintech product experience. You've tested products where real money is at stake and understand what can go wrong. • Crypto/DeFi familiarity. Understanding of blockchain mechanics and how crypto products work. Strongly preferred • Full-stack testing experience across web applications and backend APIs • Comfortable with TypeScript or Python for test automation • Experience with CI/CD integration (GitHub Actions, CircleCI, or similar) • Strong communication skills. You can explain quality tradeoffs to engineers and push back when needed • (Plus) Experience at prediction markets, sports betting platforms, or trading exchanges • (Plus) Experience leading or mentoring a small QA team • (Plus) Performance and load testing background • (Plus) Security testing exposure
Responsibilities
• Automated Test Infrastructure: Build automated test suites from scratch covering web, backend APIs, and critical trading flows. We recommend TypeScript and Playwright, but you'll have input on the stack. • Automated Test Infrastructure: • Release Quality: Define and own the release testing process. Work with the TPM to ensure releases are structured, tested, and still shipping fast. • Release Quality: • Product Coverage: Deeply understand the product so you can identify what to test. Trading flows, market creation, settlement, edge cases that could cost users money. • Product Coverage: • CI/CD Integration: Integrate automated tests into the deployment pipeline so issues get caught before they hit production. • CI/CD Integration: • Bug Tracking & Visibility: Use Linear to track issues, coordinate with engineering on fixes, and maintain visibility into quality metrics. • Bug Tracking & Visibility: • Team Building: As we grow, hire and mentor 2-3 additional QA engineers to build out the function. • Team Building:
Benefits
• Full Health, Vision, & Dental coverage • Hardware setup — new MacBook Pro, big display, & accessories
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