Web Developer · Seoul, Korea
I build web products with clean architecture and great developer experience.
Currently at @NCredibleAI, building AI Agent × OT products for food manufacturing.
Previously at @travelmakers, building Next.js platforms and design systems.
- Building GDG Busan Hackathon Vote — 실시간 투표 플랫폼 (Next.js 16 + React 19 + Cloud Firestore)
- Designing weighted scoring (심사위원 + 참가자 가중 점수) with anti-fraud 4중 검증
- Crafting a "Living Terminal" dark UI with dramatic countdown result reveals
journey
title 2026 Focus Areas
section Realtime & Web
Firestore onSnapshot Sync: 5: Done
Custom Token Auth: 5: Done
Dramatic Result Reveal: 4: In Progress
section AI & Web
Claude API Integration: 5: Done
Gemini API Exploration: 4: Done
AI-powered PDF Analysis: 5: In Progress
section Architecture
FSD Migration: 5: Done
Monorepo (Turborepo): 5: Done
Design System (Dash): 4: Done
Type-safe everything Zod validation + TypeScript strict mode, end-to-end type safety
FSD architecture Layered imports: shared → entities → features → widgets → pages
Monorepo-first Turborepo + pnpm workspaces, shared packages across apps
Production habits Rate limiting, audit logging, PII filtering, CORS — built in from day one
Frontend TypeScript · React · Next.js · Tailwind CSS · React Native
Backend Node.js · Supabase · Firebase · GraphQL · MySQL
Infra Docker · GitHub Actions · AWS · Vercel · Turborepo
WakaTime
I'm an Early 🐤
🌞 Morning 5501 commits ██████░░░░░░░░░░░░░░░░░░░ 25.58 %
🌆 Daytime 11098 commits █████████████░░░░░░░░░░░░ 51.60 %
🌃 Evening 4835 commits ██████░░░░░░░░░░░░░░░░░░░ 22.48 %
🌙 Night 73 commits ░░░░░░░░░░░░░░░░░░░░░░░░░ 00.34 %
📅 I'm Most Productive on Wednesday
Monday 3229 commits ████░░░░░░░░░░░░░░░░░░░░░ 15.01 %
Tuesday 3920 commits █████░░░░░░░░░░░░░░░░░░░░ 18.23 %
Wednesday 5260 commits ██████░░░░░░░░░░░░░░░░░░░ 24.46 %
Thursday 3087 commits ████░░░░░░░░░░░░░░░░░░░░░ 14.35 %
Friday 3009 commits ███░░░░░░░░░░░░░░░░░░░░░░ 13.99 %
Saturday 1521 commits ██░░░░░░░░░░░░░░░░░░░░░░░ 07.07 %
Sunday 1481 commits ██░░░░░░░░░░░░░░░░░░░░░░░ 06.89 %
📊 This Week I Spent My Time On
🕑︎ Time Zone: Asia/Seoul
💬 Programming Languages:
Other 2 hrs 10 mins ███████████████████████░░ 90.46 %
TypeScript 13 mins ██░░░░░░░░░░░░░░░░░░░░░░░ 09.54 %
🔥 Editors:
Google Calendar 2 hrs █████████████████████░░░░ 83.49 %
Hermes 10 mins ██░░░░░░░░░░░░░░░░░░░░░░░ 07.29 %
Codex Vscode 7 mins █░░░░░░░░░░░░░░░░░░░░░░░░ 05.55 %
Cursor 3 mins █░░░░░░░░░░░░░░░░░░░░░░░░ 02.50 %
Claude Code 1 min ░░░░░░░░░░░░░░░░░░░░░░░░░ 01.17 %
💻 Operating System:
Unknown OS 2 hrs █████████████████████░░░░ 83.49 %
Mac 23 mins ████░░░░░░░░░░░░░░░░░░░░░ 16.51 %
🤖 AI Coding This Week
⏱ AI Coding Time: 23 mins (16.51%)
✍️ 170 lines written by AI, 0 lines written by hand (100.0% AI-written)
🔤 569,155 Input Tokens, 16,556 Output Tokens
💵 $5.85 Estimated AI Cost This Week
🧠 13 AI Sessions, 21 AI Prompts
Sonnet 170 lines █████████████████████████ 100.00 %
GPT 0 lines ░░░░░░░░░░░░░░░░░░░░░░░░░ 00.00 %
Composer 0 lines ░░░░░░░░░░░░░░░░░░░░░░░░░ 00.00 %
🔎 AI Coding Insights:
🤖 AI-Driven — 100.0% of written lines came from AI
📚 Verbose Prompter — average 8,220 characters per prompt
🔁 Iterative Prompter — average 2 prompts per session
🚀 High AI Trust — 0.0% of changed lines were hand-edited
I Mostly Code in TypeScript
TypeScript 31 repos ███████████░░░░░░░░░░░░░░ 43.66 %
JavaScript 21 repos ███████░░░░░░░░░░░░░░░░░░ 29.58 %
Jupyter Notebook 2 repos █░░░░░░░░░░░░░░░░░░░░░░░░ 02.82 %
Shell 1 repo ░░░░░░░░░░░░░░░░░░░░░░░░░ 01.41 %
MDX 1 repo ░░░░░░░░░░░░░░░░░░░░░░░░░ 01.41 %
Last Updated on 27/09/2026 04:20:44 UTC