Software Developer (Java/C++)
Summary
Software Developer building high-performance backend systems in Java and/or C++ on Linux for secure UK government and defence projects in Cheltenham. Day-to-day work spans APIs, distributed systems, Docker/CI-CD pipelines and databases, with active A1 SC clearance required.
Salary: £75,000 - 75,000 per year
Requirements:
- Commercial experience developing with Java and/or C++
- Strong experience working within Linux environments
- Experience building backend applications, APIs and distributed systems
- Understanding of software architecture, design patterns and object-oriented programming
- Experience with multithreading, debugging and performance optimisation
- Exposure to Docker, CI/CD, DevSecOps and Git workflows
- Experience working with relational and/or NoSQL databases
Responsibilities:
- Design, develop and maintain scalable software systems using Java and C++ within Linux environments
- Work across technical design, architecture and engineering best practices
- Develop backend services, APIs and distributed applications
- Help deliver secure, reliable and maintainable software solutions
- Contribute to technical decisions
- Collaborate with engineering teams
- Support the continuous improvement of development practices
Technologies:
- Backend
- CI/CD
- DevSecOps
- Docker
- Git
- Support
- Java
- Linux
- NoSQL
- C++
More:
We are a leading engineering team looking for a Software Developer to support the development of high-performance backend software solutions within secure government and defence environments. We offer the opportunity to work on technically challenging projects, developing secure software solutions alongside an experienced engineering team. The role is based on a salary of £53,000-£78,000 and requires active A1 SC clearance.
last updated 40 week of 2026
