Java Full Stack Developer

Role Overview

We are hiring experienced Java Full Stack Developers to join a major government digital transformation programme. This programme will deliver next-generation, cloud-native capabilities while integrating with multiple Legacy systems across departments.

You will work within a multi-vendor Agile delivery environment with a shared codebase, building secure, scalable and highly resilient cloud-native applications.

This role suits engineers who enjoy solving complex problems, collaborating across teams, and working with modern engineering practices and tooling.

Note: Must be eligible for SC Clearance or hold Active SC Clearance

Key Responsibilities

• Design and develop secure, scalable cloud-native applications and microservices
• Build RESTful APIs and Back End services using modern Java frameworks
• Collaborate with cross-functional teams to ensure seamless integration across systems
• Participate in architecture and design discussions
• Lead and mentor developers within the Scrum team
• Conduct code reviews and ensure adherence to engineering best practices
• Own sprint deliverables, timelines and technical quality
• Contribute to CI/CD pipelines and DevOps practices
• Communicate technical solutions to both technical and non-technical stakeholders
• Propose solutions to complex challenges within existing architecture
• Actively participate in Agile ceremonies (Scrum/Kanban)

Required Skills & Experience

Core Java & Backend

• Strong hands-on experience with Java 8+
• Deep expertise in:
  • Spring/Spring Boot
  • Hibernate/JPA
  • Microservices architecture
  • RESTful API design & development

Testing & Quality Engineering

• Strong experience with TDD/BDD
• Experience with testing frameworks:
  • JUnit
  • Mockito/PowerMockito
  • WireMock
• Strong understanding of unit and integration testing

DevOps & Cloud

• Experience working with CI/CD pipelines and containerisation:
  • Docker
  • Jenkins
  • Kubernetes
• Experience working in Agile delivery environments

Frontend & Databases

• Experience with:
  • HTML, JavaScript, jQuery, Mustache Templates
  • PostgreSQL or other relational databases

Leadership & Collaboration

• Experience leading or mentoring developers
• Strong stakeholder communication skills
• Ability to work in multi-vendor and multi-team environments

Nice to Have

• Experience with AWS services (EC2, ECS, EKS, API Gateway, Serverless)
• Workflow/BPM tools knowledge
• Monitoring & performance tools:
  • JMeter
  • Kibana
  • Splunk
  • Dynatrace
• Apache Camel/ActiveMQ integration experience
• Shell Scripting or Python knowledge
• Experience working within UK Public Sector or regulated environments