Senior Firmware Engineer

Lumentum

📍 Shenzhen, Guangdong Province, China

Full time Engineers Posted February 24, 2026

Job Description

It's fun to work in a company where people truly BELIEVE in what they're doing!

Responsibilities will include but not limited to:

  • Firmware design for optical communication products

  • Design and implement firmware for microcontrollers (, 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 ...