Senior Java Developer

Senior Software Engineer (Java/Spring Boot)

£55,000 - £75,000 | UK-wide | Hybrid (1 day per month onsite)
Security Clearance (SC) eligibility required

We're hiring an experienced Senior Software Engineers to join a growing engineering team delivering high-impact digital services for a large UK public sector organisation.

This is a hands-on engineering role, focused on building, deploying and supporting modern Java-based services in a mature Agile and DevSecOps environment. You'll work end-to-end on real-world systems used at national scale, alongside engineers, testers, DevOps and product specialists.

What you'll be doing:

• Designing, building and supporting Java/Spring Boot services from concept through to production
• Developing RESTful APIs and loosely coupled microservices (sync & async)
• Applying engineering best practice including TDD, automated testing, CI/CD and pair programming
• Working across the full service life cycle: build, test, deploy, monitor and support
• Contributing to technical discussions, improving ways of working and sharing knowledge with peers
• Supporting and informally mentoring less experienced engineers (no line management)

What you'll bring:

• Strong commercial experience with Java and Spring Boot
• Experience building and testing REST APIs and microservices
• Solid understanding of TDD, unit testing and integration testing
• Experience with open-source integration frameworks

Working knowledge of:

• SQL and NoSQL databases
• Spring JPA, transactions and application design patterns
• Containers (Docker) and container platforms (eg Kubernetes)
• Exposure to cloud environments, CI/CD pipelines and application security principles

Other Info:

• Comfortable working in an Agile/DevSecOps delivery environment
• Location & working pattern
• Open to candidates based anywhere in the UK
• Hybrid working with office attendance once per month
• Some flexibility required to meet client and project needs
• Fully remote working is not available
• Security requirements
• You must be eligible for UK Security Clearance (SC)
  (UK residency required - background checks will apply)
• Salary
• £55,000 - £75,000, depending on experience
• Plus a competitive benefits package

RSG Plc is acting as an Employment Agency in relation to this vacancy.