Software Engineer C++

Our client, a prominent player in the Defence & Security sector, is currently seeking a skilled Software Engineer C++ for a contract role in Stevenage, Hertfordshire. This position involves working 100% on-site, developing and maintaining software in a Linux environment. You will engage with high-speed real-time data flows, and complex multi-threaded processing pipelines.
Key Responsibilities:
Designing and developing real-time test and capture software on Linux systems using C++ Integrating and interfacing with high-speed SFPDP cards across multi-channel data pipelines Architecting and implementing robust, scalable, and maintainable multi-threaded applications Defining and implementing data sequencing and synchronisation logic for deterministic capture and replay Working with hardware teams to ensure seamless integration and timing alignment Leading and contributing to system integration, verification, and testing at both component and system levels Conducting performance analysis, debugging, and optimisation of real-time systems Documenting architecture, interface definitions, and test procedures
Job Requirements:
Extensive experience in C++ development in a Linux environment Proficiency in C# for tooling, test interfaces, or Windows components Experience working with real-time data systems, particularly involving SFPDP or other high-speed digital protocols Demonstrable skills in multi-threaded and concurrent programming Experience with low-level I/O, DMA, or driver-level interactions with PCIe cards Familiarity with software sequencing frameworks or custom state machines Strong experience with integration, system test, and debugging complex interactions between software and hardware Understanding of software design principles, memory management, and performance optimisation Experience with version control systems (e.g., Git) and CI/CD pipelines
Desirable Skills:
Experience with SFPDP specifically in defence, aerospace, or data acquisition contexts Knowledge of FPGA-based data acquisition systems and synchronisation methods Familiarity with unit testing frameworks, automated test rigs, or hardware-in-the-loop setups Experience developing or integrating with real-time operating systems (RTOS) or using real-time Linux extensions
If you are an experienced Software Engineer proficient in C++ and ready to contribute to mission-critical systems within the Defence & Security sector, apply now to join our client\’s highly dedicated and innovative team in Stevenage.
TPBN1_UKTJ