Yonghwan Lee
Senior Solutions Engneer at Cloudflare
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolYonghwan Lee is a Senior Software Engineer based in Seoul with nine years of experience spanning research-driven R&D, product engineering, and leadership roles in startups and established firms. He has led R&D and new business development as Head of Department at (주)더즌 and currently drives engineering at 클라이원트, bringing both hands-on development and strategic oversight to productizing new technologies. His background includes blockchain research and applied services, server architecture improvements at Viva Republica, and earlier research engineering at LG, reflecting a blend of deep technical expertise and practical product delivery. Academically strong with a master’s in Electrical, Electronic and Computer Engineering from Korea University and a business administration bachelor’s, he uniquely bridges engineering rigor with business-savvy decision making. Colleagues would note his pattern of moving between research and production roles, suggesting a talent for turning experimental tech into market-ready solutions.
10 years of coding experience
15 years of employment as a software developer
Master's degree Electrical, Electronic and Computer Engineering Technology/Technician, Master's degree Electrical, Electronic and Computer Engineering Technology/Technician at Korea UniversityBachelor's degree the Department of Business Administration, Bachelor's degree the Department of Business Administration at Hanyang Cyber University
Korean, English
Github Skills (31)
trino10
sql-query10
delta-lake10
prestodb10
data-science10
databases10
big-data10
distributed-systems10
hadoop10
jdbc10
analytics10
java10
hive10
sql10
query-engine10
Programming languages (4)
Github contributions (5)
leeyh0216/leeyh0216.github.io
Jan 2017 - Dec 2022
Contributions:220 commits, 88 pushes, 2 branches in 5 years 11 months
leeyh0216/trino
Nov 2022 - Dec 2023
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
Contributions:2 PRs, 36 pushes, 19 branches in 1 year
hbasebigdatabig-datatrinodatabase
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