Christopher Lim

New York, New York, United States

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Summary

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Rockstar

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Top School

Christopher Lim is a software engineer with six years of experience building backend and full-stack systems for high-impact public sector and enterprise products, including work at Palantir on an edge AI video and sensor inference platform and at Meta on Safety Response. He holds a perfect academic record with a BS in Computer Science and an MS in Computational Data Science (systems) and blends strong systems knowledge with practical product delivery. Christopher has contributed to the educational CMU BusTub database project, adding tests and correctness checks for nested loop and hash joins and TopN behavior, illustrating attention to correctness in core data systems. His background spans government digital services, recommender research, cybersecurity education, and even founding a social-enterprise games startup, showing both technical breadth and civic-minded entrepreneurship. Based in New York, he maintains a public developer presence (christopherlim98.github.io) and a track record of shipping reliable, test-driven systems in regulated and high-stakes environments.

6 years of coding experience

3 years of employment as a software developer

Bachelor of Science, Computer Science, 4.0/4.0, Bachelor of Science, Computer Science, 4.0/4.0 at Singapore Management University

History, Economics, Literature, Mathematics, History, Economics, Literature, Mathematics at Raffles Institution

Master's degree, Computational Data Science (Systems Concentration), 4.0/4.0, Master's degree, Computational Data Science (Systems Concentration), 4.0/4.0 at Carnegie Mellon University

Github Skills (8)

databases10

c-language10

cprogramming-language10

sql10

dbm10

dbms10

database10

testing10

Programming languages (6)

TypeScriptJavaCSSC++JavaScriptPython

Github contributions (5)

cmu-db/bustub

Mar 2023 - Mar 2023

The BusTub Relational Database Management System (Educational)

Role in this project:

Database Engineer / Database Administrator

Contributions:3 reviews, 11 PRs, 9 pushes in 8 days

Contributions summary:Christopher primarily contributed to testing and development of the BusTub database management system. Their work focused on implementing and testing specific features, especially related to nested loop joins (NLJ) and hash joins. The user added checks within the sqllogictest framework to verify the correct functionality of these join implementations, including specific assertions about the presence of certain components and the expected behavior during initialization. Furthermore, they introduced tests for TopN functionality.

management-systemrelationaldbmsdatabase-management-systemrelational-database

opengovsg/petitionsgovsg

Jan 2022 - Mar 2022

Where citizens push for change that matters

Contributions:21 reviews, 104 commits, 68 PRs in 2 months

reactpushcitizensmatters

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