Jesang Yoon
Co-Founder & CTO at HBsmith
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolJesang Yoon is a founder and CTO with 11 years of experience building cloud-native mobile services and full-stack software from concept to production. Based in Seoul, he co-founded HBsmith and previously led engineering at a KAIST spinout, applying strategic product thinking to O2O, data analytics and mobile service challenges. At HBsmith he combines hands-on AWS infra and DevOps leadership with open-source program management and regular speaking at tech conferences. His earlier career at Samsung Mobile included multidisciplinary roles across frontend, backend, PC software and AI-driven services like S-Voice and S-Health, giving him rare end-to-end product empathy. He’s particularly strong at translating strategic IT goals into scalable service architectures and operational practices. Colleagues describe him as a pragmatic builder who pairs startup grit with enterprise-grade engineering discipline.
11 years of coding experience
7 years of employment as a software developer
BS Computer Science & Engineering, BS Computer Science & Engineering at Sungkyunkwan University
English, Japanese, Chinese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (44)
javascript10
spark10
nosql10
java10
scala10
aws10
sql10
database10
plugin9
bootstrap9
data-analytics9
amazon-linux9
css9
big-data9
parallels9
Programming languages (10)
Github contributions (5)
HardBoiledSmith/ws-scrcpy
Dec 2021 - Jul 2025
Web client prototype for scrcpy.
Contributions:99 reviews, 169 PRs, 127 pushes in 3 years 7 months
scrcpywebrtcwebsocketprototypeweb-client
HardBoiledSmith/tabris
Jan 2020 - Jun 2026
Contributions:15 PRs, 48 pushes, 13 branches in 6 years 5 months
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