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 5353 commits ██████░░░░░░░░░░░░░░░░░░░ 25.41 %
🌆 Daytime 10845 commits █████████████░░░░░░░░░░░░ 51.49 %
🌃 Evening 4792 commits ██████░░░░░░░░░░░░░░░░░░░ 22.75 %
🌙 Night 73 commits ░░░░░░░░░░░░░░░░░░░░░░░░░ 00.35 %
📅 I'm Most Productive on Wednesday
Monday 3131 commits ████░░░░░░░░░░░░░░░░░░░░░ 14.86 %
Tuesday 3834 commits █████░░░░░░░░░░░░░░░░░░░░ 18.20 %
Wednesday 5212 commits ██████░░░░░░░░░░░░░░░░░░░ 24.74 %
Thursday 2960 commits ████░░░░░░░░░░░░░░░░░░░░░ 14.05 %
Friday 2926 commits ███░░░░░░░░░░░░░░░░░░░░░░ 13.89 %
Saturday 1519 commits ██░░░░░░░░░░░░░░░░░░░░░░░ 07.21 %
Sunday 1481 commits ██░░░░░░░░░░░░░░░░░░░░░░░ 07.03 %
📊 This Week I Spent My Time On
🕑︎ Time Zone: Asia/Seoul
💬 Programming Languages:
Other 1 hr 24 mins █████████████░░░░░░░░░░░░ 52.44 %
Markdown 35 mins ██████░░░░░░░░░░░░░░░░░░░ 22.11 %
Python 24 mins ████░░░░░░░░░░░░░░░░░░░░░ 14.89 %
TypeScript 16 mins ███░░░░░░░░░░░░░░░░░░░░░░ 10.02 %
JSON 0 secs ░░░░░░░░░░░░░░░░░░░░░░░░░ 00.55 %
🔥 Editors:
Google Calendar 1 hr █████████░░░░░░░░░░░░░░░░ 37.02 %
Hermes 41 mins ██████░░░░░░░░░░░░░░░░░░░ 25.84 %
Claude Code 27 mins ████░░░░░░░░░░░░░░░░░░░░░ 17.10 %
Cursor 24 mins ████░░░░░░░░░░░░░░░░░░░░░ 15.12 %
Codex Vscode 7 mins █░░░░░░░░░░░░░░░░░░░░░░░░ 04.92 %
💻 Operating System:
Mac 1 hr 42 mins ████████████████░░░░░░░░░ 62.98 %
Unknown OS 1 hr █████████░░░░░░░░░░░░░░░░ 37.02 %
🤖 AI Coding This Week
⏱ AI Coding Time: 1 hr 41 mins (62.88%)
✍️ 193 lines written by AI, 0 lines written by hand (100.0% AI-written)
🔤 794,297 Input Tokens, 42,866 Output Tokens
💵 $7.30 Estimated AI Cost This Week
🧠 25 AI Sessions, 38 AI Prompts
Sonnet 170 lines ██████████████████████░░░ 88.08 %
Composer 23 lines ███░░░░░░░░░░░░░░░░░░░░░░ 11.92 %
GPT 0 lines ░░░░░░░░░░░░░░░░░░░░░░░░░ 00.00 %
🔎 AI Coding Insights:
🤖 AI-Driven — 100.0% of written lines came from AI
📚 Verbose Prompter — average 5,470 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 24/09/2026 03:46:32 UTC