Senior Fullstack Engineer (Growth)

Location: New York, United States; on-site

Company

A prediction market platform where users trade on outcomes across politics, economics, sports, culture, and current affairs.

What you will do

• Own and improve the new-user onboarding flow from account creation through KYC completion.
• Build acquisition-funnel surfaces that route users from external campaigns to relevant prediction markets.
• Ship fullstack features across frontend UI, backend services, and third-party integrations.
• Use product analytics and experiments to identify and reduce friction in the user acquisition funnel.
• Make architectural decisions, review code, and coordinate changes across engineering teams.
• Raise the technical bar through feedback, code review, and support for less senior engineers.

Requirements

• 7+ years of fullstack engineering experience with substantial frontend and backend depth.
• Experience shipping onboarding flows, KYC integrations, or acquisition-funnel features with measurable results.
• Experience working across teams in a larger engineering organization and navigating ownership boundaries.
• Strong product instincts and the ability to identify funnel problems and propose solutions independently.
• Ability to make system-level tradeoffs across frontend, backend, and external services.
• Clear communication with engineers, product managers, and stakeholders.

Nice to have

• Experience with Web3 onboarding flows or crypto-native KYC and compliance tooling.
• Familiarity with prediction markets, financial platforms, or other high-stakes transaction products.
• Experience running growth experiments with A/B testing frameworks and interpreting results.

Culture & Benefits

• Mission-driven engineering structure with close collaboration across product, data, and engineering teams.
• Competitive salary and equity.
• Unlimited PTO.
• Full health, vision, and dental coverage.
• 401(k) match and a hardware setup including a new MacBook Pro, display, and accessories.