Senior Embedded Firmware Engineer

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Description

About Brelle “Energy for what moves us” defines our mission at Brelle. Based in California, Brelle engineers next-generation platforms for supercars and superbikes, working alongside high-performance brands in the US and Europe. Our innovations are built on a novel battery pack architecture, a full-stack software platform, and automated manufacturing. Joining the team means working on making electric vehicles—on the road and on the racetrack—lighter, more engaging, safer, and capable of charging in minutes. Our engineering teams are structured like small Skunkworks teams – nimble, cross-functional, and technical. Engineers are encouraged to explore new concepts and materials and expected to rapidly go from idea to prototype. About the Role As a Senior Firmware / Software Engineer, you will be a core technical owner of Brelle's embedded platform, building the software foundation that powers a vehicle embedded architecture, ECUs, and developer services. You will shape how our embedded software is designed and scaled across hardware variants and customers. This includes RTOS selection and configuration, low-level driver development, bootloaders, diagnostics, and the platform abstractions that enable safe, reliable application development. This is a hands-on role where you’ll work closely with electrical, battery, systems, and vehicle teams to release new ECUs—debugging hardware in the lab, and validating functionality on benches as well as in superbike and supercar programs. Responsibilities Write, review, and release production-grade firmware for MCU peripherals and external components (SPI, I2C, UART, CAN/CAN-FD, ADC, DMA, timers etc), with a strong emphasis on code quality, testability, and long-term maintainability Architect and maintain clean abstractions across the embedded stack—RTOS, drivers, middleware, and application layers Contribute to the development and adoption of AI-enabled tooling for embedded firmware, helping automate boilerplate code, enforce archi

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