AI Product Engineer — ET10-PERP

You build ET10-PERP end to end — the perpetual on the ET10 fund-share index with up to 3x leverage and a CLOB-median mark. You ship the FastAPI backend, the vanilla JS trading frontend, and the real-time WebSocket feeds for mark, book and positions, then expose the app to AI agents through API and MCP.

⭐ 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 order, position and margin features across a FastAPI backend and vanilla JS frontend
• Implement the CLOB-median mark and real-time WebSocket delivery for mark, book and PnL
• Enforce leverage and liquidation logic up to 3x correctly and fail-closed
• Expose the perpetual's trading surface to AI agents via clean API and MCP interfaces
• Ship features across backend, frontend and API the same turn so the flow works end to end

What you bring

• Strong Python and FastAPI backend experience on real-time systems
• Proficiency in vanilla JavaScript and WebSocket-driven frontends
• Understanding of order books, mark pricing and leveraged position mechanics
• Experience exposing product functionality to AI agents through APIs or MCP

Try the app

cymetica.com/perp/trade/ET10-PERP

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