Zhi Li
Software Engineer at Meta
New York City Metropolitan Area United States
Summary
🤩
Rockstar🎓
Top SchoolZhaolong Zhu is a software engineer with 12 years of experience specializing in backend systems, Rust and Python, currently working on Sapling at Facebook in Old Toronto. He blends systems-level rigor with practical developer tooling, contributing to scalable source control features, certificate and regex handling in Rust, and prefetch/profile improvements. His open-source work includes enhancing SQLite CLI ergonomics and import robustness in litecli and fixing core distributed-computing behavior in a Python Spark clone, demonstrating comfort across databases, CLI UX, and distributed frameworks. Notably, he moves fluidly between low-level correctness (Mercurial/Rust fixes) and user-facing developer productivity improvements, making complex infrastructure feel reliable and approachable.
12 years of coding experience
4 years of employment as a software developer
Bachelor's degree, Applied Mathematics & Computer Science, 3.6, Bachelor's degree, Applied Mathematics & Computer Science, 3.6 at Renmin University of ChinaMaster's degree, Financial Engineering, 4.0, Master's degree, Financial Engineering, 4.0 at Stevens Institute of Technology
Github Skills (25)
sqlite10
back-end-development10
python10
testing10
command-line-interface10
distributed-computing10
sql10
database-design10
command-line10
version-control10
web-framework10
rust10
backend10
cli10
pytest9
Programming languages (11)
Github contributions (5)
dbcli/litecli
Jun 2018 - Oct 2020
CLI for SQLite Databases with auto-completion and syntax highlighting
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:4 reviews, 9 commits, 7 PRs in 2 years 4 months
Contributions summary:Zhi primarily focused on enhancing the `litecli` project, a CLI tool for SQLite databases. Their contributions include fixing metadata queries, implementing the `.import` command for importing data from CSV files into tables, and improving the command's functionality to handle edge cases. Furthermore, the user made adjustments to the completion engine, adding file name and table name suggestions, enhancing the overall user experience of the CLI. The user also added tests to verify the import command.
sqlite-databasespythonsqllinuxauto-completion
facebook/sapling
Oct 2021 - Jan 2023
A Scalable, User-Friendly Source Control System.
Role in this project:Backend Developer
Backend DeveloperContributions:11 reviews, 95 commits, 7 PRs in 1 year 3 months
Contributions summary:Zhi primarily contributed to the backend aspects of the "facebook/sapling" repository, a source control system. Their work included adding functionality to the `eden rage` command, specifically integrating prefetch profile listing. They also addressed errors in Mercurial and implemented changes in Rust related to certificate handling and regular expression matching within the codebase. Furthermore, they were involved in refactoring and improving the pattern matching capabilities of the system.
control-systemscalablesource-controluser-friendly
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