Salary: £17,500 - 35,000 per year
Requirements:
- Valid SC security clearance at the time of application.
- Approximately 5 years of commercial software development experience using C++ with some Java, ideally within Linux-based environments.
- A degree in Computer Science, Software Engineering or a related discipline, or equivalent practical experience.
- Experience investigating, diagnosing and improving software performance within Linux environments.
- Strong knowledge of software architecture, design patterns and object-oriented programming.
- Background in developing enterprise-level backend applications, APIs and distributed systems.
- Understanding of multithreading and concurrent application development.
- Knowledge of software debugging and diagnostic techniques.
- Experience working in an Agile development environment and with relational and/or NoSQL databases.
- Familiarity with Docker and application containerisation.
- Understanding of Git and version control, and CI/CD technologies such as Jenkins, GitLab CI/CD or Azure DevOps.
Responsibilities:
- Designing, developing and maintaining backend applications using C++ and Java within Linux environments.
- Leading the technical development of software components, services and APIs.
- Producing reliable, scalable and maintainable code with a strong focus on performance and security.
- Providing technical guidance and mentoring to junior and mid-level developers.
- Contributing to software architecture, technical decisions and development roadmaps.
- Reviewing code and promoting consistent engineering standards and development practices.
- Diagnosing and resolving complex software issues, including problems involving third-party dependencies and customer libraries.
- Building and supporting RESTful APIs, microservices and distributed applications.
- Using static analysis, profiling and debugging tools to improve software quality and performance.
- Containerising applications with Docker to support deployment and scalability.
- Contributing to CI/CD pipelines and DevSecOps processes.
Technologies:
- Azure
- Backend
- CI/CD
- DevSecOps
- DevOps
- Docker
- Git
- GitLab
- Support
- Java
- Jenkins
- Linux
- NoSQL
- Security
- microservices
- Cloud
- C++
More:
We are an innovative technology organisation delivering complex software solutions for customers across a specialist technical environment. This role offers up to £78,000, with a relocation package considered for the right candidate, plus benefits including 25 days of annual leave plus bank holidays, healthcare coverage, a Cycle to Work scheme, a company electric vehicle scheme, company pension contributions, dedicated training and development support, and opportunities for continued career progression. This is an excellent opportunity for a Software Developer looking for a technically challenging role and the chance to further their career.
last updated 36 week of 2026
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Software Developer / Software Engineer - C++ in Cheltenham employer: Additional Resources
At Additional Resources, we pride ourselves on fostering a collaborative and innovative work culture that empowers our employees to thrive. As a Senior App Security Engineer, you will benefit from flexible hybrid remote work arrangements in London, competitive salary packages, and ample opportunities for professional growth in the rapidly evolving field of application security. Join us to make a meaningful impact while enjoying a supportive environment that values your contributions and encourages continuous learning.
