Staff Firmware Engineer

5 days ago

San Francisco, United States Redwood Materials Full time
About Redwood Materials

Redwood Materials was founded in 2017 to create a circular supply chain for electric vehicles and clean energy products, making them more sustainable and driving down the cost for batteries. We're doing this by developing and deploying new technologies to increase the scope and scale of recycled and sustainable materials in the global battery supply chain.

Staff Firmware Engineer, New Products

You will be an early member of a new engineering team, taking a hands-on role in the design, development, and integration of a new product at Redwood. This position focuses on developing robust and reliable firmware from scratch for ARM Cortex-M class microcontrollers to function within large scale, distributed industrial applications. You will work on communication with and control of various off-the-shelf devices as well as control algorithms for power electronics.

The ideal candidate is highly self-driven, adaptable to a startup environment, and eager to take on novel technical challenges. If you're excited about working in a dynamic, fast-paced setting within a new department at Redwood, we want to hear from you

If necessary, the job level will be adjusted to suit the applicant's experience and responsibilities.

Responsibilities will include:
  • Help build a new embedded firmware platform from scratch with a focus on robust and performant network communication.
  • Design and implement frameworks to support simulation and SIL/HIL integration testing.
  • Design and deploy state estimation and power electronics control algorithms optimized for a resource-constrained environment.
  • Collaborate with electrical and systems engineers closely to specify and implement system behaviors and diagnostics coverage.
  • Produce excellent software documentation.
  • Contribute to a collaborative, fast-paced startup culture, where every team member plays a crucial role in achieving company milestones.
Desired Qualifications:
  • BS or MS in Electrical/Computer Engineering or Computer Science.
  • 7+ years of experience in firmware engineering, with a strong focus in batteries, renewable energy systems, or similar large-scale projects.
  • Proven track record in shipping new products at scale.
  • Excellent proficiency in Rust or C and debugging embedded systems.
  • Experience with digital protocols such as SPI, CAN, and Ethernet as well as application layer protocols such as CoAP or MQTT.
  • Expert knowledge of microcontroller hardware peripherals and RTOS.
  • Experience with CI/CD & test automation applied to software-enabled hardware products. Proficiency in Python is good to have.
  • Good to have experience with reverse engineering CAN protocols and developing custom diagnostic tools for evaluating embedded systems.
  • Self-motivated, with the ability to manage your work in a startup environment, balancing multiple priorities and deadlines.
  • Excellent communication and interpersonal skills, with ability to build relationships with all levels of the organization and present to internal and external executives.


The position is full-time. Compensation will be commensurate with experience.

We collect personal information (PI) from you in connection with your application for employment with Redwood Materials, including the following categories of PI: identifiers, personal records, professional or employment information, and inferences drawn from your PI. We collect your PI for our purposes, including performing services and operations related to your potential employment. If you have additional privacy-related questions, please contact us at privacy@redwoodmaterials.com.

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