Senior Embedded Software Engineer Type: Permanent Location: staffordshire (Hybrid) Salary: £60,000 – £70,000 Key Responsibilities Translate customer and system requirements into software specifications and acceptance criteria Design and develop firmware for embedded controllers (STM32, FreeRTOS) Develop embedded applications in C/C following MISRA-C, IEC 61508, and secure coding practices Implement communication protocols including Modbus/TCP, serial (RS232/422/485), CAN, and Ethernet Integrate analogue sensors and actuators using ADCs/DACs Support HIL/SIL testing and conduct code peer reviews Produce technical documentation including specifications, diagrams, and test plans Required Skills & Experience Experience developing embedded or industrial control software Strong C/C programming skills for ARM Cortex-M microcontrollers (STM32 preferred) Experience with FreeRTOS or similar RTOS Knowledge of functional safety concepts (IEC 61508) and MISRA-C standards Experience with unit testing frameworks, static analysis, and code coverage tools Proficiency with Git in a trunk-based development workflow Familiarity with industrial communication protocols such as Modbus/TCP, CAN, and Ethernet (UDP/TCP)