Michael Cui
Software Engineer at Google
Sydney, New South Wales, Australia
Summary
🤩
Rockstar🎓
Top SchoolMichael Cui is a Sydney-based software engineer with six years of experience building performant, user-focused systems at Google, where he designed a search framework for ChromeOS Quick Insert, integrated Drive and Omnibox, and cut startup latency fourfold. He combines strong back-end skills (C++, Rust, TypeScript) with a practical eye for product improvements—shipping a revamped ChromeOS demo mode deployed to 14k retail stores and owning Languages & Inputs settings. An active open-source contributor, he optimized Git integration in the jj VCS and made usability and refactor improvements to the Chromium codebase, showing attention to both tooling performance and developer ergonomics. Michael’s background includes teaching functional programming concepts and accelerating real-world data pipelines at PwC, reflecting a solid mix of academic rigor (Monash CS, 4.0 GPA) and applied engineering.
6 years of coding experience
Bachelor of Computer Science, Computer Science, 4.0 GPA, 91.5 WAM, Bachelor of Computer Science, Computer Science, 4.0 GPA, 91.5 WAM at Monash University
Github Skills (12)
version-control10
git10
c-language10
rust10
refactoring10
cprogramming-language10
subversion10
performance-optimization10
cli9
command-line9
command-line-interface9
ui-design7
Programming languages (7)
Github contributions (5)
jj-vcs/jj
Jul 2023 - Mar 2026
A Git-compatible VCS that is both simple and powerful
Role in this project:
Back-end Developer
Back-end DeveloperContributions:27 reviews, 24 PRs, 12 pushes in 2 years 9 months
Contributions summary:Michael primarily focused on improving the Git integration within the `jj` VCS. Their work involved optimizing the interaction with Git, specifically reducing the overhead of resetting the Git index. They refactored code related to `reset_head` function, sharing common code and improving efficiency. Additionally, the user implemented changes to improve performance related to working copy management and added new features to the CLI interface.
chromium/chromium
Apr 2020 - Jan 2023
The official GitHub mirror of the Chromium source
Role in this project:Back-end Developer
Back-end DeveloperContributions:27 commits in 2 years 9 months
Contributions summary:Michael primarily contributed to refactoring and improving the codebase by removing "friend-the-test" patterns and adding support for user-friendly text formatting. They added several strings to a feedback dialog within a scanner application, fixed a bug, and worked on adding a new shortcut key. These changes suggest an effort to streamline the codebase, address UI issues, and introduce new features within the project.
chromiumbrowser
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