AI Product Engineer — NinjaScript

You build NinjaScript features end to end, from a Python and FastAPI backend to a vanilla JavaScript frontend with real-time data over WebSocket. You keep the public, documented, key-issued API clean and wire NinjaScript strategies into AI agents through that API and an MCP interface.

⭐ 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 NinjaScript features across a FastAPI backend and a vanilla JavaScript frontend
• Deliver real-time strategy data to the client over WebSocket
• Maintain the public, documented API and its signup key-issuance path
• Expose NinjaScript to AI agents via the API and an MCP interface
• Keep the documentation accurate against the shipped API behavior

What you bring

• Strong Python and FastAPI backend skills plus vanilla JavaScript on the frontend
• Experience building real-time features with WebSocket data flows
• Ability to design and document clean, key-issued public APIs
• Familiarity wiring services into AI agents through API and MCP interfaces

Try the app

cymetica.com/ninjascript

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