Software Engineer (C++) - eDV Cleared

Searchability NS&D; Gloucester; On-site; GBP 43,000 - 60,000; Full time

Job summary

Searchability NS&D in Cheltenham is seeking a Software Developer with commercial C++ experience to join a security-focused engineering team. You will design, develop and maintain high-performance Linux applications in a mission-critical environment, contributing to robust software and secure coding practices.

You will work within an Agile team, participate in code reviews, and help evolve CI/CD pipelines and Docker-based deployments while staying current with evolving security standards.

Qualifications

• A degree in Computer Science, Software Engineering or related discipline (or equivalent commercial experience).
• At least 18 months' commercial experience developing software in C++.
• Strong experience working within Linux-based development environments.
• Experience debugging software and using tools such as Valgrind or similar.
• Knowledge of networking concepts, protocols and packet analysis.

Responsibilities

• Design, develop and maintain high-performance software applications using C++ in Linux environments.
• Produce clean, efficient and maintainable code with a focus on performance, scalability and reliability.
• Investigate and resolve software defects, including issues with third-party libraries.
• Containerise applications using Docker to support deployment.
• Contribute to CI/CD pipelines and work with cross-functional teams to deliver solutions.

Skills

C++

Analytical thinking

Team collaboration

Effective communication

Continuous learning

Education

Bachelor's degree in CS/Software Engineering or related field

Tools

Docker

Git

Jenkins

Valgrind

CI/CD pipelines

Job description

Software Developer (C++) - DV Cleared

Location: Cheltenham
Salary: £43,000 - £60,000 + Benefits

Please note: Applicants must hold Enhanced Developed Vetting (DV) Clearance to be considered for this opportunity.

We're looking for a Software Developer with commercial C++ experience to join a highly skilled engineering team delivering secure, high-performance software solutions within a mission-critical environment. This is an excellent opportunity to work on technically challenging projects using modern development practices and cutting‑edge technologies.

Working within a collaborative Agile team, you'll be involved throughout the software development lifecycle, designing, developing and maintaining robust applications for Linux environments while contributing to the continuous improvement of engineering standards and delivery processes.

The Role

As a Software Developer, you will:

• Design, develop and maintain high-performance software applications using C++ in Linux environments.

• Produce clean, efficient and maintainable code with a focus on performance, scalability and reliability.

• Use debugging, profiling and static analysis tools to ensure high-quality software and maximise code coverage.

• Investigate and resolve software defects, including issues relating to third‑party libraries and dependencies.

• Containerise applications using Docker to support efficient deployment.

• Contribute to the development and maintenance of CI/CD pipelines.

• Work closely with cross‑functional teams to understand requirements and deliver effective technical solutions.

• Participate in code reviews, testing and continuous improvement initiatives to maintain high engineering standards.

• Use modern version control and collaboration tools to support efficient software delivery.

About You

You'll ideally have:

• A degree in Computer Science, Software Engineering or a related discipline (or equivalent commercial experience).

• At least 18 months' commercial experience developing software in C++.

• Strong experience working within Linux-based development environments.

• Experience debugging software and using tools such as Valgrind or similar.

• An understanding of networking concepts, protocols and packet analysis.

• Knowledge of web technologies including HTML, CSS, JavaScript and Bootstrap.

• Experience using Docker for containerisation.

• Familiarity with CI/CD tools such as Jenkins.

• Experience using Git and modern source control workflows.

What We're Looking For

We're interested in developers who are:

• Strong problem‑solvers with an analytical approach.

• Comfortable working both independently and as part of a collaborative team.

• Effective communicators with the ability to work closely with technical and non-technical stakeholders.

• Passionate about producing high-quality, secure and maintainable software.

• Committed to continuous learning and professional development.

Additional Information

• UK Enhanced Developed Vetting (DV) Clearance is essential.

• Occasional travel to customer or company sites may be required.

• You'll be expected to maintain awareness of evolving technologies and security best practices while contributing to a culture of continuous improvement.