Contract Embedded Software Engineer Remote / Sheffield £60-70p/h Outside IR35 Location: Fully Remote (UK-based only), occasional visits to Sheffield Rate: £60-70 per hour (Outside IR35) Duration: 6-12 months IR35 Status: Outside IR35 An exciting contract opportunity has opened for an experienced Embedded Software Engineer to support the delivery of next-generation embedded platforms in the aerospace security and IoT sectors. The company is based near Sheffield but the role is predominantly remote. You'll join a collaborative team working on low-level embedded C/C++ development, focusing on real-time performance and robust hardware integration. Key Skills Required: Embedded C/C++ for ARM Cortex or STM32 Real-time operating systems (FreeRTOS, Zephyr) Bare-metal and low-level driver development Serial comms: I2C, SPI, UART Version control (Git) and debugging tools (oscilloscopes, logic analyzers) Nice to Have: Experience with secure boot / OTA updates Previous work in aerospace, automotive, or defence Familiarity with Python or scripting for test automation If you have the skills required for this Embedded Software Engineer role please get in touch ASAP with an up-to-date copy of your CV. ADZN1_UKTJ