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Mid-Level Java Backend Engineer

Ventureups — United Kingdom · Posted ~2 hours ago

Mid No Visa

Skills

Java Spring Boot SQL Relational databases Third-party APIs Data modeling Data quality Debugging Problem solving Testing Code review

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Summary ✨ AI‑Generated

A mid-level Java backend engineering role within a fast-moving technology team. You will build services that process live and historical data, integrate with third-party APIs, model and validate data, and contribute to testing, debugging, code reviews, and reliable delivery.

Highlights

Hands-on backend engineering in a small, fast-moving team, working with live data, external APIs, data modeling, and integrations. The role provides meaningful ownership and exposure to real-world technical challenges.

Description

Mid-Level 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 Mid-Level 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 degree3+ 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 tools The tech Java 21 | Spring Boot | PostgreSQL | JPA | Flyway | AWS SQS | WebFlux/Reactor | Bazel | Containers You 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.