Jaeyoung Lee
Director Of Engineering at 두나무 (Dunamu)
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolJaeyoung Lee is a seasoned engineering leader with 13 years of experience building backend systems and leading teams in Seoul's fast-moving fintech and web sectors. Currently Director of Engineering at Dunamu, he previously advanced from software engineer to backend team lead working on products like Stockplus, Upbit and Maplus, demonstrating deep domain knowledge in finance-oriented platforms. He combines hands-on backend development with people leadership, driving product delivery across high-traffic services and cross-functional initiatives. His early work on university admission and e-learning portals shows a practical knack for turning complex requirements into user-focused systems. Known for steady progression within the same organization, he brings institutional knowledge and an operator’s mindset to scaling teams and systems. With a BEng in Electrical and Computer Engineering from the University of Seoul, he balances technical rigor and pragmatic decision-making.
13 years of coding experience
11 years of employment as a software developer
Bachelor's degree, Electrical and Computer Enginnering, Bachelor's degree, Electrical and Computer Enginnering at University of Seoul
Korean, English
Stackoverflow
883reputation
35kreached
29answers
12questions
Github Skills (200)
multithreading10
error-handler10
swagger10
stacktrace10
rack10
clipboard10
middleware10
swagger-ui10
api10
slack-api10
rails-api10
karabiner10
user-interface10
frontend10
controller10
Programming languages (19)
Github contributions (5)
jeyraof/Yet-Another-Media-Playlist
May 2014 - Jun 2014
Contributions:164 commits in 20 days
jeyraof/jeyraof.github.com
May 2015 - Feb 2022
Contributions:53 pushes, 2 branches in 6 years 11 months
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