Leo Kim
Director Of Engineering, Platform Services
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolLeo Kim is an engineering leader and advisor with nearly three decades of experience and 15 years in senior management roles, most recently as Director of Platform Engineering at Justworks. He has built and scaled high-impact systems across messaging, identity, mobile, and data services, leading organizations of 50+ engineers through architectural shifts to service-oriented designs, observability, and AI-enabled operational tooling. At Attentive he helped drive the SMS/email foundation that powered the company’s core revenue stream and scaled to billions of messages per month, and earlier roles span platform automation at MongoDB to product-facing backend work at Foursquare and Blink Health. He pairs hands-on backend engineering (open-source contributions include improvements to Twitter’s commons and a notable javac bug investigation) with talent development—creating career ladders, recruitment processes, and management tiers to grow high-performing teams. Based in New York, he combines pragmatic technical judgment with a track record of driving organizational change and shipping measurable business outcomes.
14 years of coding experience
25 years of employment as a software developer
B.A. Sociology, B.A. Sociology at Wesleyan UniversityDiploma College Preparatory, Diploma College Preparatory at Phillips Exeter AcademyM.S. Computer Science, M.S. Computer Science at Columbia University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (5)
javas10
zookeeper10
java10
testing10
scala9
Programming languages (7)
Github contributions (5)
twitter-archive/commons
Mar 2012 - Mar 2013
Twitter common libraries for python and the JVM (deprecated)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits in 11 months
Contributions summary:Leo primarily focused on enhancing the `twitter-archive/commons` repository by adding features to the `ZooKeeperNode` class, specifically supporting Stat population. They also implemented changes to a test class related to the `ZooKeeperNode`. Further, they modified the code to address code review feedback, refactoring and improving code readability and maintainability. The user also added a feature to control color logging.
pythonjvmtwitter-apitwitter
foursquare/mongo
Mar 2012 - Jun 2013
Contributions:80 commits in 1 year 3 months
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