Overview
World Class Defence Organisation based in Stevenage, Hertfordshire is recruiting a C++ Software Engineer subcontractor on an initial 12 month contract, with a very likely extension. The role is onsite 4 days per week (Monday to Thursday).
Candidates with a strong C++ Software Engineering / Embedded Software Engineer background, ideally from the Defence or Aerospace industry, are suitable for this position.
Contract details: Rate: £67.00 per hour. Overtime Rate: Hours over the standard 37 hours per week are paid at time and a quarter. Location: Stevenage. Hybrid / Remote: Onsite 4 days per week (Monday to Thursday). Duration: 12 months with a very likely extension. IR35 status: Inside IR35 (Umbrella). Interview process: One stage video interview.
Responsibilities
- Design and develop real-time test and capture software on Linux systems using C++.
- Interface with high-speed SFPDP cards across multi-channel data pipelines.
- Architect and implement robust, scalable, and maintainable multi-threaded applications.
- Define and implement data sequencing and synchronization logic to support deterministic capture and replay.
- Collaborate with hardware teams to ensure seamless integration and timing alignment between software and capture cards.
- Lead and contribute to system integration, verification, and testing at component and system levels.
- Perform performance analysis, debugging, and optimization of real-time systems.
- Document architecture, interface definitions, and test procedures to support handover and formal test activities.
Qualifications and Skills
- Extensive experience in C++ development in a Linux environment.
- Proficiency in C# for tooling, test interfaces, or Windows components as needed.
- Proven experience with real-time data systems, preferably involving SFPDP or other high-speed digital protocols.
- Strong multi-threaded and concurrent programming skills.
- Experience with low-level I/O, DMA, or driver-level interactions with PCIe cards or similar.
- Familiarity with software sequencing frameworks or custom state machines for test execution.
- Strong integration, system test, and debugging capabilities for software–hardware interactions.
- Solid understanding of software design principles, memory management, and performance optimization.
- Experience with version control (e.g., Git) and CI/CD pipelines.
Desirable Skills
- Experience with SFPDP in defence, aerospace, or data acquisition contexts.
- Knowledge of FPGA-based data acquisition systems and synchronization methods.
- Familiarity with unit testing frameworks, automated test rigs, or hardware-in-the-loop (HWIL) setups.
- Experience developing or integrating with real-time operating systems (RTOS) or real-time Linux extensions.
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