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PolymarketPolymarketNew York, NY

Growth Engineer

First Growth Engineer building referral systems, leaderboards, onboarding flows, and share mechanics. Full-stack IC role shipping end-to-end growth features with marketing collaboration and A/B testing.

Salary not listed
On-siteGTM Engineering

About the role

What You'll Do

  • Ship end-to-end growth features across onboarding, referral, and market discovery flows, from spec to production to measurement.
  • Build and maintain core growth surfaces including leaderboards, referral code systems, invite flows, and social share mechanics.
  • Partner with marketing to take half-formed GTM asks and turn them into clearly scoped, buildable features, pushing back when the idea won't move the right metric.
  • Instrument every feature you ship with proper event tracking and funnel analytics so you always know whether it worked.
  • Run A/B experiments, analyze results with appropriate statistical rigor, and make the call to kill, iterate, or scale.
  • Identify drop-off points in acquisition and activation funnels using product data and propose the next set of bets.
  • Move fast and make smart tradeoffs. A referral MVP does not need the architecture of the matching engine.

What We're Looking For

  • Proven track record shipping production growth features end-to-end, referrals, onboarding, virality loops, or similar, with minimal oversight.
  • Strong enough full-stack skills to build independently across frontend and backend without waiting on other engineers.
  • Comfortable working directly with marketing or GTM stakeholders, translating ambiguous requests into scoped engineering work.
  • Fluency in experimentation, including A/B testing, event instrumentation, funnel analysis, and interpreting results correctly.
  • Good product instincts. You should be able to look at a growth loop and have a real opinion on what's broken and what to build next.
  • Experience making deliberate speed versus quality tradeoffs. You know when to ship scrappy and when technical shortcuts will cost you later.
  • (Plus) Experience at a crypto or web3 product company.
  • (Plus) Familiarity with prediction markets or financial products.
  • (Plus) Background in consumer growth at a high-scale startup.

Benefits

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

Skills

Full-Stack DevelopmentFrontendBackendA/B TestingEvent InstrumentationFunnel AnalysisExperimentationReferral SystemsOnboarding FlowsProduct Analytics
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