Salary: £? - ? per year Requirements:

Strong backend development experience with Java.
Experience developing RESTful APIs and microservices with Spring Boot.
Experience designing scalable, resilient, loosely coupled microservices, including service-to-service communication.
Strong RESTful API design skills, including API contracts, versioning, and integration patterns.
Experience with JUnit automated unit testing.
Experience working with JSON API data structures and formats.
Experience containerising microservices with Docker.
Hands-on experience deploying and managing microservices with Kubernetes.
Experience with Git, CI/CD, version control, and automated build and deployment pipelines.
Desirable: experience with JPA/Hibernate, Kibana, Maven/Gradle, Mockito, AWS, GitLab, Helm, OpenAPI/Swagger, SQL, or shell scripting.
Availability to start during the week commencing 4 January 2027.

Responsibilities:

Design, develop, test, and deploy Java-based RESTful APIs and microservices.
Use approved AI tools and agents throughout the backend development lifecycle, including analysis and technical design, code generation, automated testing, debugging, code review, and refinement.

Technologies:

AI
API
AWS
Backend
CI/CD
Docker
Git
GitLab
Gradle
Helm
Hibernate
JPA
JSON
JUnit
Java
Kibana
Kubernetes
Maven
OpenAPI
SQL
Spring
Spring Boot
Swagger
microservices
Cloud

More:

We are recruiting a Senior Java Backend Developer for a major application modernisation programme for a Central Government client. The 12-month contract is based in Telford, with a minimum of two days per month onsite and the remaining time remote. The rate is £550 per day, and the role is inside IR35.

last updated 45 week of 2026

Senior Java Developer (API Development)

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