Senior Java Software Engineer

Contract Java/Full Stack Developer £575/day Inside IR-35 Active SC Clearance mandatory Remote with occasional travel to London for client meetings only - expensable We are looking for experienced senior Fullstack Java Software Engineers to support projects across UK Government and Policing. You’ll work in multidisciplinary teams delivering secure, reliable and scalable systems. The role is hands‑on and focused on building high quality software using modern engineering practices.

What you’ll do You’ll design, build and maintain Java based microservices, applying test driven development and following established engineering standards. You’ll work with technologies including Java, Spring Boot, Postgres, Kafka, Docker, React and AWS. You’ll contribute to CI/CD pipelines, ensure non‑functional requirements are met and collaborate with colleagues across engineering, analysis and design.

Essential experience Java and Spring Boot Building and maintaining microservice based systems Postgres or other relational SQL databases Test‑driven development (JUnit, Mockito or similar) Docker and containerisation CI/CD pipelines (Jenkins or similar) Working in agile, multi‑disciplinary teams Desirable experience Kafka Liquibase or similar migration tooling Swagger/OpenAPI Gradle React TypeScript