Lead Java Fullstack Developer

Lead Java Fullstack Developer | Sports Betting Quant Startup | London - Fully Remote

Please note: this role cannot provide sponsorship. Applicants must have existing right to work.

We're partnering with an ambitious, well-funded sports betting and systematic trading startup that's building cutting-edge technology at the intersection of sports analytics, quantitative research, and automated trading .

As a Lead Java Fullstack Developer , you'll work directly with quantitative researchers, mathematicians, and trading specialists to build the systems that power data-driven betting strategies. This is a genuine opportunity to join a high-calibre team and have a significant impact on a rapidly growing business.

What You'll Be Doing

• Building and scaling Java-based trading and data platforms
• Developing integrations with sports data providers and betting exchanges
• Working closely with quant researchers to support systematic trading models
• Designing high-performance solutions for real-time data processing
• Contributing to greenfield projects and influencing technical direction

What We're Looking For

• 8+ years' commercial Java development experience. This role is likely suited to someone at a small or startup company who has had to do everything .
• Degree in Computer Science, Engineering, or a related field is a MUST have
• Experience working with REST and streaming APIs
• Frontend exposure with React, Next.js and TypeScript
• Strong understanding of databases, data structures and software architecture
• AWS or other cloud platform experience
• A self-starter who enjoys ownership, autonomy and solving complex problems

Why Join?

• Work alongside exceptional engineers, researchers and analysts
• Greenfield development with real technical challenges
• Direct exposure to quantitative trading and sports analytics
• Small, highly talented team where your work has visible impact
• Excellent opportunity for career progression in a fast-growing business

If you're a strong Lead Java fullstack engineer looking for a role that combines technology, data, and systematic trading, we'd love to hear from you. Apply now with your CV for immediate consideration.