About the Job

Everything you need to know before applying for this role.

Java Developer

83zero Limited

Reading, England, gb

6 November 2026

Location: Reading, Berkshire (Hybrid)

Day rate: £400 - £450 (Inside IR35)

Clearance: Active SC Clearance required

We are looking for an experienced SC Cleared Java Developer to join a growing technology team working on complex, business-critical applications.

This is a great opportunity for someone who enjoys hands-on development, solving technical challenges and working on secure, large-scale projects.

What you'll be doing

  • Designing, developing and maintaining Java-based applications.
  • Building and integrating RESTful APIs and microservices.
  • Working with Spring Boot and modern Java frameworks.
  • Developing scalable, secure and high-performing solutions.
  • Collaborating with architects, developers and DevOps teams.
  • Supporting testing, troubleshooting and continuous improvement.
  • Working in an Agile development environment.

What we're looking for

  • Strong commercial experience developing applications using Java.
  • Hands-on experience with Spring Boot and microservices.
  • Experience developing and integrating REST APIs.
  • Good understanding of SQL and relational databases.
  • Experience with CI/CD pipelines, Git and automated testing.
  • Exposure to cloud technologies such as AWS or Azure would be beneficial.
  • Experience working within Agile/Scrum teams.
  • Active UK SC Clearance.


Click apply if you are interested.


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