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

United Kingdom·Londonmid

OtherBackend Java Developer

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Quick Summary

Overview

Backend Java Developer Location: Birmingham (Hybrid)Employment: Fixed Term ContractSalary: £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.

Technical Tools

dockerjavajenkinssqlci-cdmicroservicesperformance-optimization

Responsibilities

~1 min read

→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 (modularity, DI, extensibility)

Strong hands-on experience in Java (17/21) + Spring
Deep understanding of JDBC, SQL parsing/validation, query planning/optimization
Experience with SQL planners or query transformation layers
Strong grounding in data structures, algorithms, and backend performance
Production-grade testing using JUnit 5, Mockito
Experience with clean architecture, DI, modular design
Comfortable owning CI/CD, code quality, observability
Familiarity with Docker, Maven, Jenkins