Employer: E&D Recruiters Embedded Software Engineer vacancy in Centurion to be part of the R&D team. This mid-level role requires solid working experience and the ability to hit the ground running. Bachelor's or Master's degree in Electronic Engineering, Computer Engineering required with at least 5 years experience in embedded software development. Firmware/Embedded Software Engineer Centurion Requirements: * Bachelor's or Master's degree in Electronic Engineering, Computer Engineering, or related discipline * 5+ years in embedded software development * Strong proficiency in C, particularly bare-metal embedded programming * Thorough understanding of microcontrollers, digital/analogue circuits, and low-level hardware interaction * Experience with real-time operating systems (RTOS) and concepts * Experience with hierarchical state machines * Proficient with 8-bit, 16-bit, and 32-bit microcontrollers * Experience with unit and system testing Tools & Platforms: * Embedded IDEs: STM32CubeIDE, MPLAB, or similar * Communication protocols: SPI, I²C, UART, CAN, USB, Ethernet * Debugging tools: oscilloscopes, logic analyzers, protocol analyzers * PCB design software: Altium Designer (to support hardware collaboration) * Version control: Git * Microsoft Office suite (Word, Excel, PowerPoint) Responsibilities: * Develop and optimize firmware for 8-bit, 16-bit, and 32-bit microcontrollers and embedded platforms (MIPS, ARM, STM32) * Implement and manage RTOS or bare-metal solutions * Design and maintain device drivers and middleware for communication interfaces (SPI, I²C, UART, CAN, USB, Ethernet) * Conduct integration testing and qualification of firmware with hardware systems * Collaborate closely with hardware engineers for seamless firmware-hardware integration * Write technical documentation including firmware specifications, test descriptions, interface definitions, user manuals, and integration guides * Contribute to process improvements through automation and coding standards Apply via www.edrecruiters.co.za or submit your CV to cv@edrecruiters.co.za (#3943) ONLY SA CITIZENS