Senior Java Software Engineer

Senior Java Engineer | Sports Betting Startup | London Please note: this role cannot provide visa sponsorship. Please do not apply if you require sponsorship.I’m working on a great opportunity for a Senior Java Backend Engineer to join a small, fast-moving engineering team building critical sports data services that support high-frequency decision-making.This is a hands-on Java role where you’ll be working with live and historical sports data, third-party APIs, data modelling and downstream integrations — solving the messy, real-world problems that come with external data.What you’ll bring:Computer Science degree5+ commercial Java experienceSpring Boot or similar modern backend experienceStrong SQL / relational database skillsExperience working with third-party APIs or external data feedsSolid understanding of data modelling and data qualityStrong debugging and problem-solving skillsA proactive, autonomous approach to deliveryGood testing and code-review practicesComfortable working in a small, fast-moving engineering teamExperience using modern AI coding toolsThe techJava 21 | Spring Boot | PostgreSQL | JPA | Flyway | AWS SQS | WebFlux/Reactor | Bazel | ContainersYou don't need to know everything — what matters is strong Java fundamentals, curiosity and the ability to get stuck into complex problems.The role can be fully remote but you need to be based in UK. If you're a Java engineer who enjoys working close to the data and wants a role with real ownership, autonomy and technical influence, I'd love to hear from you.DM me for more details or to arrange a confidential chat.