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Arxlight

Senior Firmware Engineer - ESC

oakland, CA

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Job description

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.

Responsibilities

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

Required Qualifications

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

Preferred Qualifications

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

Nice to Have

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)

What We Offer

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

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Worksite address

oakland, CA, 94616, US

Who can apply

Review the original listing for work authorization, qualifications and employer requirements.

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