C++ Application Software Engineer

Company: Certain Advantage
Apply for the C++ Application Software Engineer
Location: Filton
Job Description:

Overview

World Class Defence Organisation is currently looking to recruit 3x C++ Application Software Engineer subcontractors on an initial 12 month contract. The team is implementing a demonstration system for a complex new Command and Control application, which extends existing concepts and logic. If the demonstration is successful, it may develop into a project for a fully operational capability. This role requires strong experience in C++ application development, a strong background in software engineering, its realisation and system wide impact, experience in CI/CD pipelines, GitLab, Docker, and experience of developing software for virtual environments.

Rate: £65.00 per hour. Location: Bristol. Hybrid / Remote working: The role will likely be onsite – a compressed 4 day week (Monday to Thursday is fine). There may be some scope for hybrid working (project dependent).

Contract: 37 Hours per week. Overtime: Hours worked over 37 hours per week will be calculated at time and a quarter. Duration: 12 Months (initially and then ongoing and long-term thereafter). IR35 status: Inside IR35 (Umbrella). Interview Process: One stage Video Interview.

Responsibilities

  • Application development and testing, including sophisticated business logic.
  • Collaborating with internal algorithm teams to integrate algorithms, implement complex transformation logic, test and verify.
  • Implementing and integrating interfaces with other subsystems and external simulators.
  • Building and extending components within an existing software application framework and deploying into a virtualised test environment.

Qualifications

  • Experience in developing application-level software (C++, C#, Java or similar).
  • Familiarity with CI/CD pipelines and modern software engineering practices.
  • Knowledge of Data Distribution Service (DDS) is advantageous.
  • Defence industry experience is advantageous.

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Posted: March 30th, 2026