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