Java Full Stack Developer

About the Role

We are hiring a Java Full Stack Developer to join a major digital transformation programme for a central UK government department. This initiative will enhance and modernise the UK's next-generation biometric capabilities, replacing Legacy technologies and integrating with multiple government systems.

You will work within a multidisciplinary Agile team, contributing to the design and development of secure, scalable, and high-performing solutions. This is an exciting opportunity to work on a large-scale, mission-critical public sector programme with a leading digital services provider.

Key Responsibilities

• Develop high-quality Back End and full-stack solutions using Java and AWS.
• Build and maintain Spring Boot microservices and REST APIs.
• Develop simulators and components as part of the end-to-end solution.
• Write robust JUnit tests and participate in code reviews.
• Work with DevOps practices including Git, Jenkins, CI/CD, and containerisation.
• Collaborate within an Agile team, contributing to sprint planning, retrospectives, and continuous improvement.
• Troubleshoot issues, optimise performance, and ensure best-practice standards across SDLC.

Essential Skills

• Strong hands-on development experience with Java 8+
• Experience with Spring Framework/Spring Boot
• Writing unit tests using JUnit
• Experience with PostgreSQL or other relational databases
• Hands-on experience with Git, Jenkins, CI/CD
• Solid understanding of microservices architecture
• Working knowledge of AWS services (ECS, EKS, S3, SQS)
• Experience building and consuming REST APIs
• Understanding of Kubernetes

Nice-to-Have Skills

• Docker and containerised development
• JavaScript frameworks (preferably ReactJS or NodeJS)
• AWS API Gateway and Serverless technologies
• Apache Kafka or other messaging brokers
• BPM frameworks
• Mustache templates
• Experience with large-scale integration and distributed systems
• ELK stack experience
• OpenStack platform exposure
• Agile/Scrum, TDD experience

What We're Looking For

• A proactive self-starter who can work in structured or ambiguous environments
• Experience working with central government or regulated sectors (preferred)
• Strong communication, analytical, and stakeholder-management skills
• Passion for digital transformation and modern engineering practices
• Ability to work collaboratively in a highly dynamic, cross-functional team
• Must have the right to live and work in the UK