Senior Software Engineer

Upper Highway. Competitive remuneration, with relocation costs covered where applicable.
An exciting opportunity is available for an experienced Senior Software Engineer with at least 8 years’ embedded software development experience and strong C / C++ programming skills to join an innovative, well-established IT company. The ideal candidate will hold a relevant Degree in Electronic / Electrical Engineering, Computer Engineering, Computer Science or have equivalent practical experience, with a solid background in microcontroller-based systems, real-time firmware and cellular communications. This role offers the opportunity to contribute to the development of reliable, high-performance technology used in electronic security and communications equipment.

Responsibilities:

• Design, develop and maintain embedded firmware in C / C++ for microcontroller-based devices
• Develop and optimise communication drivers, protocols and interfaces for cellular connectivity and embedded peripherals
• Ensure firmware meets reliability, security and power-efficiency requirements
• Collaborate with hardware and software teams on product development, integration, testing and improvements
• Implement diagnostics, error handling and recovery mechanisms
• Contribute to firmware architecture, coding standards, code reviews and technical documentation
• Conduct software testing, support production processes and troubleshoot complex field issues
• Keep up to date with cellular technologies, embedded security and relevant regulatory requirements
• Provide technical guidance to junior engineers and improve development processes

Requirements:

• Minimum 8 years’ embedded firmware / software development experience
• Strong C and C++ skills, preferably with ARM Cortex-M or similar microcontrollers
• Experience with RTOS environments such as FreeRTOS or bare-metal development
• Knowledge of GSM / LTE modules, AT commands and wireless communications
• Understanding of embedded peripherals and interfaces, including UART, SPI, I2C, ADC, GPIO and DMA
• Experience with Git, debugging tools, build systems and software testing
• Proven ability to develop reliable, production-ready firmware for deployed devices
• Strong analytical, problem-solving and communication skills
• Relevant degree or equivalent practical experience

Advantageous:

• Experience in security, alarm systems, IoT, telemetry or industrial communications
• Knowledge of alarm signalling protocols, such as Contact ID
• Experience with OTA firmware updates, device management or low-power design
• Exposure to hardware development, PCB testing and ICASA compliance requirements
• Python scripting for test automation
• Previous technical leadership or mentoring experience

If you are passionate about embedded technology and enjoy tackling complex engineering challenges, this is an excellent opportunity to contribute to the development of innovative, reliable products.

Apply: recruiter@sandicrowther.co.za