10 Digital Signal jobs in South Africa

• Design, develop, and test embedded software for microcontrollers and processors.
• Collaborate with Hardware Engineers to ensure the seamless integration of systems.
• Debug, optimize, and maintain embedded code for reliability and performance.
• Work with communication protocols (UART, SPI, I2C, CAN, Ethernet, etc.).
• Contribute to product development from concept to deployment.

• Bachelor of Engineering (BEng) in Electronic / Electrical / Computer Engineering (mandatory).
• Proven experience with C/C++ for embedded systems.
• Strong understanding of microcontrollers, RTOS, and hardware-software interfacing.
• Experience with debugging tools, oscilloscopes, and logic analyzers.
• Knowledge of embedded Linux or IoT systems would be beneficial.

• Competitive salary package.
• Exposure to exciting projects across multiple industries.
• Growth opportunities in a dynamic, innovative environment.

• Develop firmware in C/C++ for embedded microcontrollers (e.g., C2000, ESP32).
• Implement industrial communication protocols such as UART, CAN, RS485, Modbus.
• Integrate systems with cloud/local platforms using MQTT, HTTP, or proprietary protocols.

• Design low-voltage and high-voltage circuits (12V1000VDC).
• Develop power conversion systems (DC-DC, AC-DC) and battery management solutions.
• Select and design with power components (MOSFETs, IGBTs, gate drivers, etc.).
• Perform worst-case, thermal, and overcurrent analysis.
• Conduct EMI simulations and lab testing.
• Contribute to mechanical enclosure design, especially around thermal management.

• Build and test prototypes; integrate firmware and hardware.
• Develop automated test scripts (Python or C#) for validation.
• Support field installation, commissioning, and troubleshooting.

• Work cross-functionally with mechanical, software, and production teams.
• Collaborate with clients, technicians, and suppliers.
• Maintain technical documentation and production files.

• BEng/BSc in Electronic, Electrical, or Mechatronic Engineering.
• 3+ years of hands-on experience in embedded systems and power electronics.
• Proficient in embedded C/C++ development.
• Comfortable with mid to high voltage systems (48V1000V).
• Knowledge of circuit protection and battery safety fundamentals.
• Experience using schematic and PCB design tools.
• Proficient with test equipment (oscilloscopes, multimeters, etc.).

Key Responsibilities

Develop and maintain robust firmware for embedded systems using C/C++.
Design and implement drivers for a wide range of peripherals and optical components (SPI, I2C, UART, USB, GPIO).
Collaborate closely with hardware teams during schematic reviews, PCB bring-up, and hardware testing phases.
Integrate and control optical subsystems such as lasers, photodiodes, modulators, and high-speed ADCs.
Work within embedded Linux or RTOS environments to develop real-time, high-reliability applications.
Apply signal processing and digital filtering techniques for interpreting sensor and optical data.
Create automation and testing tools using scripting languages such as Python or Bash.
Conduct system-level testing, debugging, and optimisation to improve performance and stability.
Document firmware architecture, module interfaces, and standard operating/test procedures.
Support regulatory and compliance efforts, including EMC, CE, and general safety standards.
Contribute to continuous improvement and innovation in photonic/optical-based embedded solutions.

Experience

Experience Summary
7+ years in embedded C/C++ firmware development for microcontrollers (STM32, NXP, TI). Skilled in embedded Linux/RTOS (FreeRTOS, Zephyr). Experience collaborating with hardware teams on custom board firmware. Strong debugging skills (oscilloscope, logic analyzer, JTAG). Proficient in Python/Bash scripting for automation. Worked on optical subsystems (lasers, photodiodes, ADCs) with focus on real-time, reliable embedded solutions. Familiar with EMC/CE standards.

Professional Experience
7+ years experience developing embedded applications in C and C++, focusing on real-time performance and reliability.
4+ years hands-on firmware development for microcontroller platforms such as STM32, NXP, and TIcovering driver development, peripheral integration, and low-level hardware interfacing.
3+ years collaborating with hardware teams to adapt and optimise firmware based on custom board layouts and hardware requirements.
Strong experience in embedded Linux and RTOS environments (e.g., FreeRTOS, Zephyr), including bootloader development and multitasking systems.
Skilled in debugging hardwaresoftware interactions using oscilloscopes, logic analysers, multimeters, and JTAG/SWD debuggers.
Proficient in scripting with Python and Bash for test automation, configuration, and system diagnostics.
Experience developing and integrating optical subsystems, including lasers, photodiodes, ADCs, and signal processing pipelines.
Solid understanding of real-time constraints, power optimisation, and memory-constrained systems for rugged embedded product deployment.
Familiar with regulatory standards including EMC, CE compliance, and hardware safety practices.
Strong interpersonal and cross-cultural communication skills through collaboration with international teams and clients.
Experience supporting full product development cycles from concept to prototyping, testing, certification, and production handover.

Why Join
Be part of a team of experienced and innovative South African engineers driving cutting-edge advancements in photonics and embedded technologies. Work with international clients and cutting-edge technology in a fast-growing company with global reach.