Kalshi API Developer – Weather Data & Realtime Trading Infrastructure

We are seeking an experienced freelance developer to build and maintain integrations with the Kalshi API for weather-related market data and automation. The ideal candidate has experience building realtime API systems, websocket integrations, trading infrastructure, or financial/market data platforms. This is a remote freelance contract project estimated at 1–3 months, with potential for ongoing work. Responsibilities - Integrate with the Kalshi API - Build realtime weather market data pipelines - Implement websocket connections and monitoring - Develop backend systems for data processing and automation - Handle API authentication, rate limits, retries, and error handling - Assist with deployment and infrastructure setup Required Skills - Python or Node.js - REST APIs - Websockets / realtime systems - Backend development - Experience with cloud deployment (AWS, DigitalOcean, etc.) Preferred Experience - Trading APIs - Financial market infrastructure - Prediction markets - Automated systems - Async programming To Apply Please include: - GitHub profile - Relevant API or realtime system experience - Hourly rate - Timezone/location - Availability