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Join Polymarket as a Senior QA Engineer to build the quality assurance function from the ground up, defining testing processes and leading a small team.
Polymarket is the world’s largest prediction market platform. We enable individuals to express views on real-world events by trading on outcomes across politics, economics, sports, culture, and current affairs. Built as a peer-to-peer marketplace with no centralized “house,” Polymarket aggregates diverse opinions into transparent, market-based probabilities that reflect collective expectations about the future.
- Build automated test suites from scratch covering web, backend APIs, and critical trading flows.
- Define and own the release testing process.
- Deeply understand the product to identify what to test.
- Integrate automated tests into the deployment pipeline.
- Use Linear to track issues and maintain visibility into quality metrics.
- Hire and mentor 2-3 additional QA engineers.
- 3+ years in QA engineering or SDET roles, with time at startups scaling quickly.
- Strong automated testing skills with experience in modern frameworks (Playwright, Cypress, or similar).
- Trading or fintech product experience.
- Crypto/DeFi familiarity.
- Full-stack testing experience across web applications and backend APIs.
- Comfortable with TypeScript or Python for test automation.
- Experience with CI/CD integration.
- Strong communication skills.
- Competitive salary & equity.
- Unlimited PTO.
- Full Health, Vision, & Dental coverage.
- 401k match.
- Hardware setup — new MacBook Pro, big display, & accessories.