Backend Java Developer - Birmingham • Hybrid • £50–65k • Not London

Job description

Backend Java Developer Location: Birmingham (Hybrid): Employment: Fixed Term Contract Salary: £50,000 – £65,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you. We’re building the core backend services of a Data Fabric platform that governs data access, entitlements, and query policy enforcement across distributed enterprise data systems. This is platform engineering : deterministic rule engines, SQL planning/interception, and high-throughput services that sit on the critical path of data access . This is deep backend + data infrastructure work . 🚀 What You’ll Do - Build core backend services in Java (17/21) for access control and query manipulation - Implement deterministic policy / rule engines for data governance - Work on SQL parsing, planning, validation, and transformation (e.g., Calcite or similar planners) - Integrate with distributed data platforms / query engines (e.g., Starburst or similar) - Own API contracts with living documentation in CI/CD - Build production-grade, testable pipelines - Drive observability, reliability, and performance - Contribute to architecture decisions...