Founding Engineer, Frontend

About the companyThe company is building an exchange where sports fans can invest in the performance of individual professional athletes and trade 24/7, all season long. Unlike single-game player props or fantasy roster management, fans hold positions in players over time.The team is 4 people, founded in 2025, with backgrounds at Apple, Google, Microsoft, and startups that built leading trading platforms. They have raised $4.1M in seed funding from top-tier crypto investors who were early backers of leading prediction markets.What you'll doOwn and lead development of the company's consumer web trading platform.Build fast, intuitive trading and portfolio experiences that make onchain settlement invisible to sports fans.Work directly with the two cofounders, a former crypto VC partner and product manager and a former Big Tech tech lead, to shape the product and technical roadmap.Drive frontend architecture decisions across a service-based stack, managing complex application state and rea