• Research & Development
  • Hong Kong


  • Successful candidates will join our Firmware team of Hong Kong based Research and Development Department
  • Firmware design and development of high-speed fiber-optic and optical sensor products
  • Understand hardware and software interactions, and collaborate with cross functional teams
  • Work with testing team in supporting engineering validation test code and product validation code testing
  • Maintain and improve existing designs and source code to help attain the goal of a module structure
  • Prepare and review Firmware development documents
  • Embedded firmware and bootloader design
  • Test program and GUI development
  • Support planning the development activities, perform technical design and code reviews, and coaching support to Team members


  • Bachelor degree or above in Electronic Engineering, Computer Engineering or related fields
  • Minimum 5 years solid firmware development experience in which at least 2 years in managerial level
  • Solid experience in C programming for embedded MCU
  • Good practice in source code management & control
  • Familiar with UART, I2C, SPI, MDIO protocol is an advantage
  • Knowledge in FPGA programming & digital signal processing is a plus
  • Experience in firmware development in SFP, CFP, CFP2, QSFP-DD and coherent high speed optical module development
  • Experience in Windows program design (Python/C/C++ or similar) for 3D modelling, assembly language programming, circuit design and/or PCB layout is a plus
  • Knowledge in high-speed communication, embedded OS development (RTOS or embedded Linux) is a plus
  • Good command of English, Mandarin and Cantonese
  • Demonstrated problem-solving capabilities


  • To apply, please email career@cloudlight.com.hk with your resume, your availability to report duty and quote the Job Ref.
  • Only short-listed candidates will be notified. Personal data provided by applicants will be used for consideration of an application only.

Application Deadline:

  • Until this position is filled.
  • Resumes received will strictly be used for recruitment-related purpose.

To apply for this job email your details to career@cloudlight.com.hk