We are building a full-featured platform for trading on prediction markets (Polymarket, Kalshi, Limitless) with real bets, AI insights, and future copy-trading. Development is already in progress — the new developer will join the ongoing workflow and immediately work on key parts of the product. Responsibilities • Implement the core architecture of the platform • Aggregate and process data via APIs / WebSockets / subgraphs • Develop backend and frontend • Ensure system scalability and reliability for high-load traffic Requirements • Very strong senior full-stack experience • Proven experience with production-grade and high-load systems • Experience with real-time data and API integrations • Node.js, PostgreSQL/TimescaleDB, Redis • Self-driven and ready to join an active development process Tech Stack • Next.js + Vercel • Node.js workers • PostgreSQL / TimescaleDB • Redis