Embedded C Dev (JHB, perm)

A client based in Gauteng is seeking an Embedded C (Firmware) Developer as follows

Responsibilities:

• To build and maintain firmware code that manages industrial power systems for clients
• Embedded apps run on modular I/O boards and integrate with higher-level Linux systems
• Implement failsafe recovery, design real-time energy safety mechanisms, build API’s with Linux systems
• Work with hardware engineers to finalize PCB specs that align with the firmware apps
• Work with Linux engineers to ensure API integration with higher level systems
• Implement SANS / IEC safety standards for international electronics compliance
• Build Test Harnesses to allow lab testing of the I/O board functionality

Skills Required:

• At least 4-5+ yrs exp. in C / C++ firmware dev
• Exp. with FreeRTOS for scheduling, message queues, memory management
• Strong in Message Queue management tools (like MQTT)
• Industrial comms protocols for interfaces (like ModBus RTU / TCP, CAN Bus)
• Debugging with testing tools (like JTAG / SWD)
• Source code management with Git and CI/CD pipelines
• Ideally with microcontrollers dev exp. on I/O boards for energy systems (not required)

Work Arrangement:

• This is a permanent full-time position starting in Jan. 2026
• On a hybrid work basis, on-site at their offices in Randburg (1-2 days / 2 weeks)
• Open to SA citizens with an SA ID (no foreigners)

How to apply:

• Complete your application below with your latest CV
• Ensure you use a valid email address in the email field
• You’ll receive an email, confirming we’ve received your application
• Thereafter you will receive status updates per email as we progress