Firmware Engineer

Fuse Energy is a forward-thinking renewable energy startup on a mission to deliver a terawatt of renewable energy - fast.

We're creating a fully integrated energy company: from developing solar, wind and hydrogen projects to real-time power trading and distributed energy installations.

As a Firmware Engineer, you will:

• Develop low-level firmware and drivers for microcontrollers and embedded peripherals (SPI, I2C, UART, DMA, ADC, etc.)
• Design and implement real-time control software and embedded algorithms for energy devices
• Write, test, and debug embedded C/C++ firmware running on bare-metal or RTOS-based systems
• Collaborate with hardware, systems and controls teams to define firmware requirements and test plans
• Participate in code reviews, write documentation and contribute to the continuous improvement of firmware practices
• Assist in board bring-up, profiling and debugging using tools like oscilloscopes, JTAG/SWD, and logic analysers
• Implement and maintain bootloaders, linker scripts and firmware deployment pipelines

Requirements:

• 2+ years of experience in embedded systems or firmware engineering
• Strong proficiency in C, with experience writing firmware for microcontrollers
• Hands-on experience with common MCU peripherals: SPI, I2C, UART, DMA, timers, ADCs, Flash, CAN, etc.
• Experience working with real-time systems and embedded development toolchains (e.g., GNU, IAR)
• Familiarity with version control and tooling (e.g., Git, Docker, CI pipelines)
• Ability to work with hardware debugging tools (oscilloscopes, logic analysers, JTAG/SWD)

Benefits:

• Competitive salary and an equity sign-on bonus
• Biannual bonus scheme
• Fully expensed tech to match your needs
• Paid annual leave
• Breakfast and dinner allowance for office-based employees