AI Product Engineer — Polymarket

You build the Polymarket comparison app end to end, from a Python/FastAPI backend through a vanilla JS frontend with real-time WebSocket updates. You keep the fee, dispute and index-rule resolution data accurate and current, and expose it to AI agents through a clean API and MCP surface.

⭐ Bonus points for any apps built on the platform using "Build it Better"

💰 Salary: $150,000 – $220,000 USD / year · Remote OK

What you'll do

• Build backend endpoints that serve accurate fee, dispute and resolution comparison data
• Implement the vanilla JS frontend with real-time WebSocket data delivery
• Expose the app's data to AI agents through a well-structured API and MCP interface
• Keep the published-index-rule resolution logic and displayed figures correct end to end
• Ship features across backend, frontend and agent surfaces together so each release is complete

What you bring

• Strong Python and FastAPI backend engineering
• Vanilla JS frontend skills with real-time WebSocket experience
• Experience wiring product data into AI agents via API and MCP
• Ability to own a feature across backend, frontend and agent interfaces

Try the app

cymetica.com/polymarket

This role is part of AI Product Engineer — EventTrader AI Apps.