[Remote] Sports Trading Systems Engineer

Note: The job is a remote job and is open to candidates in USA. 4C Software builds the technology powering one of the largest sports prediction markets in the world. They are seeking a Sports Trading Systems Engineer to write and maintain code for automated trading systems and contribute to Go services, while working closely with a small team in a fast-paced environment. Responsibilities Write and maintain JavaScript / Node.js code for automated trading systems, background jobs, and market data ingestion Contribute to Go services where concurrency and predictable behavior matter Rewrite outdated or messy JavaScript services in Go Work across multiple repositories communicating via WebSockets, Redis, and HTTP Debug real production issues in live systems Move fast: build, break, fix, and ship Gradually take ownership of small but critical parts of the system Skills Comfortable with JavaScript / Node.js Some exposure to Go, or interest in learning it Understanding of async code, OOP, and event-driven systems Not afraid of messy codebases or unfamiliar repos Able to move quickly, ask questions, and take feedback well Strong debugging instincts Startup, side-project, or self-taught engineering background Flexible availability, including occasional nights or weekends Betting, trading, or market-related experience Experience with real-time systems (WebSockets, Redis, pub/sub) Some infrastructure or Linux experience Bonus: scraping or automation experience (Playwright, Puppeteer, Selenium) Benefits Equity: Available for the right candidate Company Overview peer-to-peer betting software It was founded in 2017, and is headquartered in Chicago, Illinois, USA, with a workforce of 2-10 employees. Its website is