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Firmware Engineer

Fellow
Location
Shenzhen / Guangzhou
Posted
16 days ago
Department
Firmware
What they actually want (must-haves)
  • 5+ years of embedded firmware development experience
  • Strong C/C++ and Python skills
  • Production experience with RTOS-based systems, preferably FreeRTOS
  • Experience with STM32 or comparable microcontrollers
  • Strong peripheral-driver experience, including I2C, SPI, UART, ADC/DAC, interrupts, timers, and DMA
  • Experience designing state machines, concurrency controls, synchronization, and fault-handling behavior
Nice to have
  • Experience with ESP32, Bluetooth, Wi-Fi, device provisioning, or mobile-device communication
  • Experience with embedded UI frameworks and displays
  • Familiarity with PID control, sensors, motors, heaters, and other electromechanical systems
  • Consumer electronics, appliance, or connected-device experience
  • Experience with automated firmware testing, simulation, hardware-in-the-loop testing, or QEMU
What the job really is

As a Firmware Engineer at Fellow, you will design, develop, and maintain firmware for IoT products, ensuring robust performance from the factory to the end-user. Your role involves hands-on debugging, collaborating with cross-functional teams, and supporting factory operations in Shenzhen or Guangzhou. You will continuously improve the firmware codebase and assist in new-device development, while also addressing production issues and enhancing engineering practices.

Benefits
  • Competitive compensation including employee equity plan
  • Generous paid time off plan
  • 401k with company contribution after 6 months of employment
  • Medical/dental/vision insurance
  • Better Yourself Wellness credit & Better Your Community donation matching
  • Monthly Fitness Stipend
Things to weigh
  • Salary range is 35,000 - 45,000 RMB monthly plus bonus & equity, which may vary based on experience and other factors
  • Role requires collaboration across time zones, which may affect work-life balance
  • Hands-on factory support may involve travel and onsite work in Guangdong areas
Job score3.6/5
Benefits5/5
Freshness4/5
Career value4/5
Role clarity5/5
Pay transparency0/5

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