Senior Firmware Engineer - ESC
Arxlight · Oakland ·
- Work mode
- Onsite
- Seniority
- Senior
- Category
- Embedded
Arxlight · Oakland ·
Company Overview
We are a rapidly growing technology startup focused on delivering next-generation drones for security and safety applications. Our company vertically integrates hardware and software to create leading edge capabilities in the UAV space, with a focus on saving lives.
We are looking for a Firmware Engineer to design, develop, and maintain embedded firmware for products based on STM32 microcontrollers. You will work close to the hardware, implementing low-level drivers, real-time functionality, and reliable embedded systems used in production devices.
Design, develop, and maintain firmware for STM32 microcontrollers
Develop motor controller/ESC algorithms for our various products
Implement and debug low-level drivers (GPIO, UART, SPI, I2C, CAN, USB, ADC, timers, DMA)
Develop firmware using C/C++ (bare-metal and/or RTOS environments)
Work with STM32 HAL/LL, CMSIS, and vendor toolchains
Integrate firmware with hardware designs and collaborate closely with hardware engineers
Debug and troubleshoot issues using tools such as JTAG/SWD, logic analyzers, oscilloscopes
Optimize firmware for performance, memory usage, and power consumption
Participate in code reviews and follow best practices for embedded software development
Write and maintain technical documentation
Support manufacturing, testing, and field issues as needed
Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, or equivalent experience
Experience with AC/BLDC motor control algorithms
Strong experience developing firmware for STM32 microcontrollers
Proficiency in embedded C/C++
Solid understanding of microcontroller architectures, peripherals, and datasheets
Experience with bare-metal development and/or RTOS (FreeRTOS or similar)
Familiarity with debugging embedded systems using JTAG/SWD
Experience using Git or other version control systems
Experience with FreeRTOS or other real-time operating systems
Knowledge of low-power design techniques
Experience with bootloaders and firmware update mechanisms
Familiarity with communication protocols (CAN, Ethernet, USB)
Experience bringing up new hardware revisions
Exposure to automated testing or CI for embedded systems
Experience with other MCU families (NXP, Nordic, Microchip, TI)
Basic understanding of hardware schematics
Experience with safety-critical or regulated products
Knowledge of embedded security concepts (secure boot, firmware signing)
Opportunity to work on real-world embedded products
Collaborative environment with hardware and systems engineers
Competitive compensation and benefits
Room for technical growth and ownership