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.
14 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)
threejs10
gist10
relay-modern10
uploads10
chat10
in-app-purchase10
native-module10
receipt-validation10
client-library10
heroicons10
browser10
pattern10
service-worker10
camera10
pouchdb10
Programming languages (12)
Github contributions (5)
joonhocho/tscpaths
Aug 2018 - May 2019
Replace absolute paths to relative paths after typescript compilation
Contributions:22 commits, 3 PRs, 15 pushes in 8 months
compilationresolverelativeabsolutepaths
joonhocho/graphql-input-string
Jun 2016 - Jul 2019
Contributions:46 commits, 5 PRs, 40 pushes in 3 years 1 month
custom-inputconfigurablestringvalidationgraphql
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