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Hi there 👋

I perform IT troubleshooting and consulting duties at work, though deep down I am a cloud, virtualization and open source enthusiast, backed by the following courses and active certifications:

Feel free to refer to my LinkedIn profile for the full list of professional certifications I have earned.

Here is a list of positions (including internships) I have worked as for at least 1 month over the years:

  • China Resources Enterprise Limited
    • Duration: July 2021 to now
    • Position: Specialist in IT consulting
    • About: IT troubleshooting, operations management, consulting
    • Website:
    • Areas: Troubleshooting, operations management, automation, consulting
  • M-Labs Limited
    • Duration: May 2020 to November 2020 - 6 months
    • Position: Software Developer (Intern)
    • About: Formal Verification of FPGA Cores For a Physics Experiment
    • Website:
    • Areas: Python, FPGA programming

My highest level of education attained is a Bachelor's degree in Computer Science and Engineering, having graduated with a First Class Honors:

  • BEng in Computer Science and Engineering (4Y)
    • Institution: The Hong Kong University of Science and Technology
    • Major: Computer Science and Engineering
    • Type: Bachelor of Engineering
    • Program duration: 4 years
    • Awarded: June 2021
    • Class: First Class Honors
    • Graduation Grade Average: 3.742

In my spare time, I:

Popular repositories

  1. Einstein's Riddle (aka Zebra Puzzle) formulated as a Prolog program.

    Prolog 14 6

  2. Brainfuck Public archive

    My implementations of the Brainfuck interpreter in a variety of programming languages, extensively tested using a wide range of different Brainfuck programs.

    PHP 8 1

  3. List of Kata authored by donaldsebleung on Codewars


  4. Blockly-Games-Pond Public archive

    Some of my solutions to Blockly Games - Pond (

    JavaScript 4 3

  5. csnaketerm Public archive

    The classic Snake game, right in your terminal

    JavaScript 4

  6. ruboxer Public archive

    Rudimentary container tool for Linux

    Rust 4 1

266 contributions in the last year

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Contribution activity

December 2022

DonaldKellett has no activity yet for this period.

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