Senior Firmware Engineer - Bare Metal

A growing technology team in Cambridge is looking for a Senior Firmware Engineer who thrives on solving complex problems at the intersection of hardware and software. You'll be working on low-level embedded systems that power next-generation products, contributing across the full development lifecycle - from concept and architecture through to implementation, test, and optimisation., Design, develop, and maintain firmware for embedded systems using C

• Implement object-oriented design principles in resource-constrained environments
• Develop bare-metal and RTOS-based applications
• Work closely with hardware, systems, and software teams to define requirements and interfaces
• Debug, test, and optimise firmware for performance, reliability, and power efficiency
• Use Git for version control, branching, code reviews, and collaborative development
• Contribute to continuous improvement of development processes and coding standards

Strong proficiency in embedded C

• Solid understanding of object-oriented programming concepts
• Experience developing for bare-metal systems and/or RTOS environments
• Familiarity with common embedded development tools (compilers, debuggers, oscilloscopes, logic analysers)
• Confident using Git in a collaborative engineering environment
• Ability to read schematics and understand hardware-software interactions
• Strong problem-solving skills and attention to detail

Desirable Skills

• Experience with ARM Cortex-M or similar microcontrollers
• Knowledge of C++ in embedded contexts
• Exposure to communication protocols (SPI, I2C, UART, CAN, etc.)
• Understanding of low-power design techniques

Opportunity to work on cutting-edge technology in a world-class engineering hub

• Collaborative, supportive team culture
• Clear progression and development pathways