Jaegyu Lee
Tech Lead Engineering Manager at ZEP
Seoul, South Korea
Summary
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Rockstar🎓
Top SchoolJaegyu Lee is a tech lead and engineering manager based in Seoul with eight years of experience building scalable, data-driven systems across EduTech and real-time communications. He has led product and technical growth at startups—driving PODO to roughly $6M ARR, architecting a global WebRTC cluster (Lemonboard), and shipping AI-powered language assessment features. His background blends hands-on backend engineering (Kafka, AWS EKS, Spark), research in distributed transactions and time-series prediction from a Data Science master’s, and startup CTO experience that ended in acquisition. An active organizer in GDG Golang Korea and an engineer at ZEP, he combines practical production-grade systems design with a knack for automating operations and extracting value from streaming data.
8 years of coding experience
4 years of employment as a software developer
Master's degree Data Science, Master's degree Data Science at Seoul National University of Science and Technology정보통신전자공학, 정보통신전자공학 at The Catholic University of Korea
Stackoverflow
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Github Skills (177)
codex10
inversion-of-control10
typedi10
agentic-ai10
runtimes10
ai-agent10
ai10
skill10
developer-tools10
odata10
cli10
sql-server10
mongodb10
query-builder10
soap10
Programming languages (12)
Github contributions (5)
Q00/api_server_boilerplate
Jan 2020 - May 2020
typescript express board boilerplate using routing controller
Contributions:121 commits, 46 PRs, 34 pushes in 3 months
typescripttypeormdockersentryrouting-controller
Flatgarden/hakhak-server-quest
Nov 2020 - Sep 2021
Contributions:14 commits, 5 pushes, 1 branch in 10 months
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