We are looking for an experienced Back End Developer with excellent Java, PostgreSQL and API skills due to software development moving from an outsourced model to in-house .Working alongside the development team you will
* Be highly involved with knowledge transfer, including code walkthroughs, pairing sessions, and documentation reviews with the outgoing external tea
* Gain understanding of the current Java application architecture — service boundaries, dependency injection patterns, build system, and deployment configuration
* Design and implement new back-end features, enhancements, and bug fixes in Java, following agreed coding standards and architectural principle
* PostgreSQL data model — schema design, migration management (Flyway/Liquibase), indexing strategy, and query optimisation
* Design, document, and maintain RESTful and/or GraphQL APIs, ensuring consistency, versioning, and thorough OpenAPI/Swagger documentation
* Identify, catalogue, and systematically address technical debt in collaboration with the wider team
Your background and experience will include
* Great communication skills, able to contribute to future roadmaps for the products
* Excellent Java development experience (Java 11+) in a production environment — including Spring Boot, dependency injection, and RESTful API design.
* PostgreSQL skills: schema design, complex query writing, index optimisation, and migration tooling (Flyway or Liquibase).
* Experience designing and documenting APIs using OpenAPI/Swagger
* Proficiency with build tools — Maven or Gradle — and a modern Java development workflow.
* Understanding of software design principles (SOLID, DRY, Clean Architecture)
* Familiarity with containerised deployment environments (Docker, Kubernetes) from a developer perspective.
* Understanding and interest in AI coding assistants — Claude Code, GitHub Copilot, Cursor, or equivalent
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