Job ref no.: CT3127825-01#8889

Firmware Design Engineer (Job Ref. Apply-HK-1911-FDE)

Cloud Light Technology Limited

Cloud Light provides research, development and manufacturing services of optical solutions, transceivers, active optical cables currently upto 400G mainly for datacom, telecom, automotive market for tier-1 customers globally. Cloud Light has been operated since 2004 as a business unit of a leading Japanese comprehensive electronic component manufacturer in Hong Kong and was spin-off in April 2018 to become an independent company. Cloud Light's R&D center is strategically located in Hong Kong whilst manufacturing plant and reliability and testing labs are located in Dongguan, China. Cloud Light’s R&D team is multinational comprising 32% Ph.D., 48% Master, and 20% Bachelor degree holders.

Cloud Light is urgently looking for various high caliber candidates to join the R&D team in Hong Kong to support the vast growing research and development projects to meet customer and market requirements, as well as product development of future technologies.

Job Responsibilities:

  • Successful candidates will join Hong Kong-based product development team and participate in firmware development for high-speed fiber-optic products and optical sensor products.
  • Embedded firmware and bootloader design.
  • Test program and GUI development.
  • Firmware validation and failure analysis.
  • Documentation for firmware release.


  • Bachelor degree or above in Electronic Engineering, Computer Engineering or related fields.
  • Minimum of 5 years solid experience in embedded MCU programming.
  • Good practice in source code management & control.
  • Good mindset for firmware architecture design.
  • Strong technical skill in physical layer programming.
  • Familiar with UART, I2C, SPI, MDIO protocol is an advantage.
  • Knowledge in closed-loop control, temperature compensation algorithm and signal processing is a plus.
  • Good capability in reading schematic diagram and understanding circuit operation is a must.
  • Experience in Windows program design (Python/C/C++ or similar) for 3D modelling is a plus.
  • Knowledge in embedded OS development (RTOS or embedded Linux) is a plus.
  • Experience in assembly language programming, circuit design and PCB layout is a plus.
  • Knowledge in optical communication & MSA compliant is a plus.
  • Good command of English, Mandarin and Cantonese.

Remunerations & Benefits:

  • Work locations in Hong Kong and travel to the PRC may be required
  • Work Hours from 9am to 6pm
  • 5-day work
  • Hong Kong Public Holidays
  • Chinese New Year Bonus


  • To apply, please email us 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

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More job information
Job ref no. CT3127825-01#8889
Job Function
  • Shatin
Employment Term
  • Permanent
  • Full-time
  • 5 years - 20 years or above
Career Level
  • Middle management level
  • Degree
  • 5-day week
  • 13-month pay
  • Dental plan
  • Discretionary bonus
  • Medical plan