Hello! ๐
I'm Gym Coding, a coding education creator ๐
I teach as easily as possible so that even non-developers can follow along, and with enough depth to satisfy working professionals.
I am currently a full-stack developer with 13 years of experience and the CEO of an IT startup.
From developing services for major corporations like KT and Kia to the Cafe24 e-commerce platform, smart city IoT data platforms,
and even my own services that I currently operate, I have personally designed and built everything across front-end, back-end, and AWS infrastructure.
While currently focusing on education, I maintain my industry expertise by directly developing my own services.
Translating that real-world experience into language that even beginners can understandโthat is what I do through my lectures.
๐ Proven Results
๐ฅ Inflearn 2026 Claude Code Lecture BEST 1 - Claude Code Masterclass
๐ Inflearn Awards 2025 Bestseller - React Complete Master
๐ฅ Inflearn 2025 'Hottest Course Right Now' - Claude Code Complete Master
๐ฌ YouTube 49k+ subscribers ยท 3.6M+ cumulative views
๐จโ๐ป Experience
13-year Full-stack Developer ยท Current IT Startup CEO
Frontend: React ยท Vue ยท TypeScript
Backend: Node.js ยท Java ยท Spring ยท Python
Infrastructure: AWS ยท Serverless ยท Lambda Architecture Design
Inflearn Knowledge Sharer
Startup (Entrepreneur)
Experience in patent and trademark application and registration
Selected for multiple government startup support programs (including 'Excellent' at Smart Venture Campus, etc.)
Corporate Training (B2B)
Multicampus - Offline 'Claude Code' training for corporate professionals
Shinhan Card Developer Training - Hosted by Multicampus, Online Live
Special Lecture at Korea Software HR Development Institute ยท Government IT Mentor
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