Park Hyun-jun · Dingcoding Co
POSTECH graduate · Backend development experience at Toss · Inflearn instructor
20,000+ cumulative Inflearn students · 2,000+ course reviews · 4.9 rating
Based on the Inflearn instructor profile, verified on 2026.10.03
Just nine months after starting to create courses, I was featured as one of Inflearn’s top-earning instructors. An Inflearn interview also features the story of a 60-year-old non-developer who completed a website.
We explain everything clearly, from why it is needed to how it is used on actual screens. Starting where beginners typically get stuck, we show you the process of building, clicking through, and fixing things yourself. In this challenge as well, leave the code and illustrations to Codex, and focus on judging the game's rules and results.
Inflearn interview: https://www.inflearn.com/pages/interviewdingco