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 5692 commits ██████░░░░░░░░░░░░░░░░░░░ 25.80 %
🌆 Daytime 11409 commits █████████████░░░░░░░░░░░░ 51.72 %
🌃 Evening 4887 commits ██████░░░░░░░░░░░░░░░░░░░ 22.15 %
🌙 Night 73 commits ░░░░░░░░░░░░░░░░░░░░░░░░░ 00.33 %
📅 I'm Most Productive on Wednesday
Monday 3275 commits ████░░░░░░░░░░░░░░░░░░░░░ 14.85 %
Tuesday 4167 commits █████░░░░░░░░░░░░░░░░░░░░ 18.89 %
Wednesday 5376 commits ██████░░░░░░░░░░░░░░░░░░░ 24.37 %
Thursday 3164 commits ████░░░░░░░░░░░░░░░░░░░░░ 14.34 %
Friday 3078 commits ███░░░░░░░░░░░░░░░░░░░░░░ 13.95 %
Saturday 1519 commits ██░░░░░░░░░░░░░░░░░░░░░░░ 06.89 %
Sunday 1482 commits ██░░░░░░░░░░░░░░░░░░░░░░░ 06.72 %
📊 This Week I Spent My Time On
🕑︎ Time Zone: Asia/Seoul
💬 Programming Languages:
Other 1 hr 28 mins ████████████████████████░ 96.99 %
SSH Config 2 mins █░░░░░░░░░░░░░░░░░░░░░░░░ 03.01 %
🔥 Editors:
Google Calendar 1 hr ████████████████░░░░░░░░░ 65.66 %
Cursor 16 mins ████░░░░░░░░░░░░░░░░░░░░░ 17.97 %
Hermes 14 mins ████░░░░░░░░░░░░░░░░░░░░░ 16.36 %
💻 Operating System:
Unknown OS 1 hr ████████████████░░░░░░░░░ 65.66 %
Mac 31 mins █████████░░░░░░░░░░░░░░░░ 34.34 %
🤖 AI Coding This Week
⏱ AI Coding Time: 29 mins (31.78%)
✍️ 0 lines written by AI, 4 lines written by hand (0.0% AI-written)
🔤 219,975 Input Tokens, 5,598 Output Tokens
💵 $3.00 Estimated AI Cost This Week
🧠 9 AI Sessions, 11 AI Prompts
GPT 0 lines ░░░░░░░░░░░░░░░░░░░░░░░░░ 00.00 %
🔎 AI Coding Insights:
🧑💻 Mostly Hands-On — 0.0% of written lines came from AI
📝 Concise Prompter — average 108 characters per prompt
🎯 One-Shot Prompter — average 1 prompts per session
🔍 Hands-On Reviewer — 100.0% of changed lines were hand-edited
I Mostly Code in TypeScript
TypeScript 35 repos ████████████░░░░░░░░░░░░░ 46.67 %
JavaScript 21 repos ███████░░░░░░░░░░░░░░░░░░ 28.00 %
Jupyter Notebook 2 repos █░░░░░░░░░░░░░░░░░░░░░░░░ 02.67 %
Shell 1 repo ░░░░░░░░░░░░░░░░░░░░░░░░░ 01.33 %
MDX 1 repo ░░░░░░░░░░░░░░░░░░░░░░░░░ 01.33 %
Last Updated on 08/10/2026 05:10:42 UTC