Redwood Materials
Embedded Software Engineer Intern - Fall 2026
About this role
Redwood Materials is seeking an Embedded Software Engineering Intern to develop real-time firmware for power conversion and battery management systems in energy storage solutions. You'll work on bare-metal software for power electronics, including PWM generation, peripheral drivers, and system integration, with mentorship from experienced engineers.
What you'll do
- Design and implement bare-metal firmware for power electronics control systems
- Develop and test drivers for microcontroller peripherals including SPI, CAN, and Ethernet
- Support PWM generation, ADC synchronization, and timing logic for real-time control
- Collaborate with power electronics engineers on hardware-software integration
- Write and test low-level code for thermal safety and battery pack management
- Assist in integrating firmware with broader site infrastructure systems
What they're looking for
- C/C++ programming
- Embedded systems and bare-metal development
- Microcontroller architecture and peripherals
- Real-time control systems
- Power electronics fundamentals
- Hardware debugging and testing
- Communication protocols (SPI, CAN, Ethernet)
- PWM and ADC signal processing
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Redwood Materials
Redwood Materials develops battery products and energy storage systems, with a focus on battery refining, material production, and end-of-life battery processing. The company is hiring Systems Engineers, Design Engineers, Solutions Engineers, Software Engineers specializing in ML and Computer Vision, and Service Engineers to build and scale their battery technology and manufacturing operations.
- Website
- redwoodmaterials.com
Likely interview questions
- Walk us through your experience with bare-metal embedded systems programming—what was your most complex real-time project?
- How would you approach debugging timing issues in PWM generation on a microcontroller?