Staff Firmware Engineer

5 days ago

Shenzhen, Guangdong, China 朗美通通讯技术(深圳)有限公司 Full time CN¥144,000 - CN¥216,000 per year

该职位来源于猎聘 Responsibilities will include but not limited to:

  • Firmware design for optical communication products.
  • Design and implement firmware for microcontrollers (e.g., MCU, such as STM32, ESP32, etc) and other embedded platforms.
  • Develop low-level drivers (GPIO, UART, SPI, I2C, ADC, etc.) and integrate peripherals.
  • Ensure reliable and efficient communication between hardware modules and software systems.
  • Develop GUI for firmware debugging and Lab engineering investigation.
  • Collaborate with software engineers to integrate hardware and firmware with application layers.
  • Create and maintain design documents (memory map, register file, etc) and test reports.
  • FW related troubleshooting or failure analysis. Job Requirements: Required Skills:
  • Proficiency in microcontrollers.
  • Experience writing low-level drivers (GPIO, UART, SPI, I2C, ADC, PWM, etc.).
  • Experience with FreeRTOS, Zephyr, or other real-time operating systems.
  • Use of tools like JTAG, SWD, and in-circuit debuggers.
  • Familiar with industry standards and design regulatory, such as IEEE 802.3, OIF, MSA standard, CMIS specification, etc.
  • Understanding of firmware flashing, updating methods, and version control.
  • Good experience in analog and digital circuit design.
  • Knowledge of electronic components (MCUs, ASIC, sensors, laser driver, TEC controller, regulators, etc.).
  • Experience using oscilloscopes, logic analyzers, multimeters, and spectrum analyzers.
  • Knowledge and experience on semiconductor laser for optic communication application.
  • Strong skill on Failure analysis, root cause study and improvement solution. Qualifications:
  • BS, MS, or PhD in Electrical Engineering, photoelectric, Computer Engineering, Telecommunication, or a related field.
  • Minimum 8 years of experience in the related industry.
  • Independent Firmware development experience for mass production product.
  • Good communications skills, written and verbal, in English and Mandarin.
  • Well organized.Good willing to take reasonability.

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