Junhaeng Lee
CTO at 딱따구리(우따따)
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolJunhaeng Lee is a pragmatic CTO and founder with 13 years of experience building content-driven web platforms and commerce systems from Seoul. He combines hands-on expertise in Python, FastAPI, Node.js, TypeScript, Svelte and vim with a track record of replacing legacy stacks and shipping end-to-end solutions—CMSs, subscription billing, ticketing, and AI-powered search and labeling systems. As a former CTO and technical lead at multiple startups and product teams, he excels at turning editorial and media requirements into scalable architectures that drive growth and operational efficiency. Notably, he has built high-traffic community services and real-time multi-client systems, and prefers crafting developer-friendly tooling alongside product features.
14 years of coding experience
13 years of employment as a software developer
학사 신문방송학, 학사 신문방송학 at Sungkonghoe University
Github Skills (10)
ascii9
command-line-interface9
twitter-client9
rss-reader7
python7
cli7
twitter7
data-analysis3
data-science3
rss1
Programming languages (5)
Github contributions (5)
rainygirl/rterm
Apr 2020 - Oct 2022
Twitter / RSS reader client for CLI(Command Line Interface).
Contributions:2 reviews, 42 commits, 4 PRs in 2 years 6 months
rss-readertwitterasciiclicommand-line-interface
rainygirl/rainygirl.github.io
Apr 2020 - Mar 2026
Contributions:1 PR, 289 pushes, 1 branch in 6 years
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