Joon Cho
Founder at Charted Inc.
California, United States
Summary
👤
Senior🎓
Top SchoolJoon Cho is a founder and seasoned software engineer with 14 years building full-stack web products and startups from California. He launched Talksub and now leads Charted Inc., combining product intuition with hands-on engineering across responsive front-ends and scalable web systems. His background includes Google display ads on mobile and deep front-end expertise—rewriting single-page apps, creating high-performance client-side grids, and building automated build and testing pipelines. Comfortable across the stack, he has repeatedly turned prototypes into production-ready services and launched customer-facing marketing and onboarding experiences. Joon holds an MS and BS in Computer Engineering/CS from Carnegie Mellon, and his career blends entrepreneurial grit with proven technical depth in both legacy cross-browser and modern JavaScript ecosystems.
15 years of coding experience
12 years of employment as a software developer
Master of Science (MS), Computer Engineering, Master of Science (MS), Computer Engineering at Carnegie Mellon University
English, Korean
Stackoverflow
9,594reputation
5.0mreached
68answers
68questions
event-handling
top-5%
javascript-objects
top-5%
javascript
top-5%
react-native
top-5%
Github Skills (200)
chat10
client-library10
browser10
camera10
google-login10
html10
static-site-generator10
saas10
nodejs10
absolute-path10
googleapis10
vercel10
user-interface10
react-starter-kit10
frontend10
Programming languages (13)
Github contributions (5)
joonhocho/tsdef
May 2019 - Aug 2020
TypeScript common pattern shortcut definitions / utility gist library
Contributions:36 commits, 1 PR, 26 pushes in 1 year 2 months
typescript
joonhocho/webtil
May 2019 - Dec 2019
Tiny utility library functions to be used in browser written in TypeScript
Contributions:56 commits, 42 pushes, 1 branch in 7 months
typescript
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