Changgeng Li
Software Engineer at Notion
Fremont, California, United States
Summary
👤
Senior🎓
Top SchoolChanggeng Li is a seasoned software engineer with 12 years building high-performance, scalable backend systems for leading tech companies from Cisco and Sun to Instagram, Facebook, Airbnb and currently Notion. He has repeatedly led technical efforts—designing realtime and delivery infrastructure for Instagram Direct and Live Video, driving experimentation and ads delivery at Facebook, and shaping backend platforms at Airbnb. Known for a pragmatic focus on performance optimization, resiliency and maintainability, he blends hands-on coding with technical leadership across distributed systems and video/streaming domains. Based in Fremont, CA, he brings deep experience in production-grade backends and a track record of turning complex, real-time requirements into reliable services—often operating at the scale demanded by consumer-facing products.
11 years of coding experience
20 years of employment as a software developer
Bachelor's degree, Bachelor's degree at Tsinghua University
Chinese, English
Github Skills (38)
apache10
java10
ant10
mass7
abstract-syntax-tree7
dynamodb7
irc7
refactoring7
lua6
hammerspoon6
nodejs6
lambda5
sdk5
aws-sdk5
typescript5
Programming languages (4)
Github contributions (5)
changgengli/minesweeper
Feb 2015 - Mar 2016
Contributions:23 commits, 14 pushes, 1 branch in 1 year
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