Senior Embedded Software Engineer Location: Stroud, Gloucestershire Salary: Up to £70,000 KO2's client is an ambitious, well funded and fast-growing technology start-up based in Stroud, developing advanced sensing and monitoring systems that combine low-power embedded platforms, intelligent signal processing, and secure wireless connectivity. The Role - Senior Embedded Software Engineer You will be responsible for the full embedded development lifecycle: Scoping and requirements definition System architecture (hardware & software) Simulation and modelling Firmware development Integration and verification Validation and production release The successful Embedded Software Engineer will work closely with hardware, data, and product engineers to deliver robust, secure, and power-efficient sensing platforms operating in demanding real-world environments. Key Responsibilities Architect and develop low-power embedded firmware (C/C++) for sensor platforms Design for ultra-low power consumption in battery-operated and remote systems Implement sensor data acquisition and processing pipelines (e.g. MEMS microphones, accelerometers and other environmental sensors) Develop and optimise RF communications systems, particularly: LoRa or similar LPWAN technologies Mesh networking architectures Implement secure communications including encryption, authentication and secure boot mechanisms Develop machine learning-enabled acoustic detection and classification systems: Data pre-processing and feature extraction Deployment of optimised ML models on constrained embedded devices Essential Experience Significant experience in embedded C/C++ development Strong experience across the full product lifecycle (concept ? production) Proven expertise designing for low-power embedded systems Experience with sensor data acquisition and real-time signal processing Strong RF communications experience, particularly LoRa or comparable technologies Experience implementing mesh networking protocols Solid understanding of embedded security (encryption, authentication, secure firmware updates) Strong debugging and hardware bring-up skills Highly Desirable Machine learning for acoustic detection/classification Experience with MEMS microphone-based systems Wind/ambient noise mitigation design (hardware and software) Secure OTA update mechanisms Experience in a start-up or high-growth environment If you're a Senior Embedded Software Engineer looking to build intelligent, low-power sensing systems from the ground up - KO2 would be delighted to discuss this opportunity with you.

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