Polymarket · 20 hours ago
Senior QA Engineer
United States
Full-time
Remote
Mid, Senior Level
3+ years expPolymarket is the world’s largest prediction market platform, enabling individuals to express views on real-world events. They are seeking a Senior QA Engineer to build the quality assurance function from the ground up, defining testing processes and establishing automated test infrastructure.
CryptocurrencyFinancial ServicesPrediction MarketsPredictive Analytics
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
Release Quality: Define and own the release testing process. Work with the TPM to ensure releases are structured, tested, and still shipping fast
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
CI/CD Integration: Integrate automated tests into the deployment pipeline so issues get caught before they hit production
Bug Tracking & Visibility: Use Linear to track issues, coordinate with engineering on fixes, and maintain visibility into quality metrics
Team Building: As we grow, hire and mentor 2-3 additional QA engineers to build out the function
Qualification
Required
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
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
Preferred
Crypto/DeFi familiarity. Understanding of blockchain mechanics and how crypto products work. Strongly preferred
Experience at prediction markets, sports betting platforms, or trading exchanges
Experience leading or mentoring a small QA team
Performance and load testing background
Mobile iOS testing experience
Security testing exposure
Benefits
Unlimited PTO
Health, Vision, & Dental coverage
401k match
Hardware setup — new MacBook Pro, big display, & accessories.
Company
Polymarket
Polymarket is a prediction market platform where traders predict future event outcomes, reacting to news in real time.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$2.28BKey Investors
Intercontinental ExchangeFounders FundBlockchain Capital
2025-12-08Series A
2025-10-07Corporate Round· $2B
2025-07-15Series C· $150M
Leadership Team
Shayne Coplan
Founder & CEO
Recent News
2026-02-04
2026-02-04
Company data provided by crunchbase