Software Developer / Software Engineer - C++

Additional Resources; Cheltenham; On-site; GBP 18,000 - 35,000; Full time

Benefits offered by this job

25 days annual leave

Bank holidays

Healthcare coverage

Cycle to Work scheme

Company pension contributions

Dedicated training and development

Relocation package considered

Job summary

Additional Resources is seeking a software professional to design, develop and maintain backend applications in C++ and Java within Linux environments. You will lead technical development of components, services and APIs with emphasis on performance and security.

The role involves mentoring junior developers, contributing to architecture decisions and driving CI/CD and DevSecOps practices, while leveraging Docker, Git and modern tooling. A SC clearance is required for this opportunity.

Qualifications

• Valid SC security clearance at time of application.
• ≈5 years of commercial software development using C++ with some Java, ideally in Linux-based environments.
• Degree in Computer Science, Software Engineering or related discipline, or equivalent practical experience.
• Experience 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 in an Agile 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.

Skills

C++

Java

Linux

OO design

APIs

Backend systems

Multithreading

Agile

Education

CS degree or related

Tools

Docker

Git

GitLab

Jenkins

Azure DevOps

CI/CD

Job description

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