Senior QA Engineer

Polymarket is looking for a Senior QA Engineer to build the quality assurance function from the ground up. You'll define how we test, what we test, and when code is ready to ship.

Requirements

• 3+ years in QA engineering or SDET roles, with time at startups scaling quickly
• Strong automated testing skills, experience with modern frameworks (Playwright, Cypress, or similar)
• Trading or fintech product experience, understanding of blockchain mechanics and how crypto products work
• Full-stack testing experience across web applications and backend APIs
• Experience with CI/CD integration (GitHub Actions, CircleCI, or similar)
• Strong communication skills, comfortable with TypeScript or Python for test automation

Benefits

• Competitive salary & meaningful equity
• Unlimited PTO
• Health, Vision, & Dental coverage
• 401k match
• Hardware setup — new MacBook Pro, big display, & accessories