Backend Software Engineer

  • Certain Advantage
  • Guildford, Surrey
  • Jan 30, 2026
Contractor Telecommunications

Job Description

Backend Software Engineer - Java / Cloud (SC Cleared)Guildford, Surrey (Hybrid - x3 days per week on-site)12-month contractRates: Negotiable (DOE) We are currently supporting a major organisation within the Defence & Space sector who are looking for an experienced Software Engineer to join a collaborative Agile Scrum team working on innovative geospatial software solutions.You'll be involved across the full software development lifecycle, contributing to the design, development, testing and deployment of scalable, cloud-based services using modern technologies.Key Responsibilities
  • Design, develop and maintain high-quality, scalable Java-based applications
  • Contribute to reusable design patterns to improve team velocity
  • Write unit and automated tests to support high-quality delivery
  • Participate in design and code reviews, ensuring best practice around security, maintainability and scalability
  • Produce clear technical documentation and share knowledge across the team
  • Actively contribute within an Agile Scrum environment, including sprint planning, reviews and daily stand-ups
  • Work collaboratively to meet sprint commitments and delivery milestones
Essential Skills
  • Strong commercial experience with Java
  • Experience developing cloud-based services
  • Unit testing and test-driven development experience
Desirable Skills
  • DevSecOps awareness (e.g. Tekton, ArgoCD, SonarQube)
  • Experience with Kubernetes or Red Hat OpenShift
  • Exposure to Quarkus framework
  • Front-end development experience using Angular
Additional Information
  • Security Clearance: SC required (or eligible)
  • Working hours: 35 hours per week (compressed working pattern available)
  • Occasional travel between UK sites may be required
  • Interview process: virtual interview followed by onsite visit
If you're an experienced Java Software Engineer looking for a long-term contract within a secure, high-impact environment, this is an excellent opportunity to work on meaningful technology programmes with modern tooling and strong engineering culture.