- Full-stack developer building mobile-first apps with Ionic/Capacitor, powered by Spring Boot and Next.js
- Interested in scalable backend systems, CI/CD automation, and clean architecture
- Open to collaboration — feel free to reach out, or drop by the Chuseok22 Lab Discord
Newest first. Projects without a repository link are in private repositories.
| Project | What it is | Role · Period | Stack | Links |
|---|---|---|---|---|
| TeeQ | Real-time voice companion with AI personas: call a character like a real phone call, build a relationship over time, and share your location with someone you trust on a late walk home. | Backend · Sep 2026 – now | Spring Boot, Flutter | GitHub |
| WHO I'M | Knowledge-succession service for companies: an AI interview turns a departing senior engineer's tacit judgment into evidence-linked handover cards. 🏆 Makeathon Grand Prize | Solo · Oct 2026 – now | Spring Boot, TypeScript | Private |
| Waitee | Customer-facing hybrid mobile app and web client for the Waitee service, with a strong focus on accessibility (screen-reader support). | Frontend · Jan 2026 – now | Next.js, React, Capacitor | Private |
| Big Brother | Sejong University capstone project: a multi-camera safety monitoring system with explainable alerts. | Backend · Oct 2026 – now | Spring Boot (Java 21) | Private |
| ELUM | Mobile service that helps people with developmental disabilities carry out their daily routines on their own, using step-by-step picture cards. | With Saechan Seo and Yeram Lee · Jul 2026 – now | Flutter, Spring Boot | GitHub · App Store · Google Play |
| Hack the Beat: Party Passport | Scan QR codes at a party, collect badges, and secretly match with the people you want to see again. Built in about three hours. 🏆 1st place | Team of four · Aug 29, 2026 | React, TypeScript, Spring Boot | GitHub · Live demo |
| MU:DAM (무담) | B2B design platform where generative AI trained on public cultural data turns Korean traditional patterns into product designs. 🏅 Encouragement Prize | Solo · Jun – Sep 2026 | Kotlin, Spring Boot, PostgreSQL | Website |
| Project | What it is | Role | Links |
|---|---|---|---|
| Sejong Malsami (세종말싸미) | Study-material sharing and Q&A platform for Sejong University students, with a points system. | Backend | GitHub · Website |
| TicketMate | Platform where skilled ticket buyers help others get concert and event tickets, built on trust-based matching and real-time chat. | Backend | GitHub · Website |
| RomRom | AI-powered secondhand trading platform with a card-game style UX. | Backend | GitHub · Download APK |
 🥇 1st Place 2026 I/O Extended: Hack the Beat Aug 29, 2026 · Party Passport · Team of four, built in about three hours Jihoon Baek · Saechan Seo · Euimin Hong · Yeram Lee |
 🏆 Grand Prize 2026 Makeathon, College of AI Convergence, Sejong University Nov 4, 2026 · WHO I'M · Solo entry (team "추석이") |
 🏅 Encouragement Prize 4th Culture, Sports and Tourism AI & Data Utilization Contest Cultural Data Best Practice category · MU:DAM · Hosted by the Korea Culture Information Service Agency |
| Project | Stars | Description | Link |
|---|---|---|---|
| project-auto-wizard |  |
Open-source tool: one command sets up versioning, CHANGELOG, GitHub Releases and CI/CD in your repo. Built with Saechan Seo and Yeram Lee | npm |
| Capacitor Kakao Native Login |  |
Capacitor plugin for native Kakao social login (npm) | npm |
| GitHub Issue Helper |  |
Generates GitHub branch names and commit messages automatically | Marketplace |
| Version Management |  |
Automated versioning workflow for Spring Boot and Next.js projects | Marketplace |
| GitHub Template |  |
GitHub project template | — |
| Sejong Uni. Login |  |
Sejong University portal login automation library | — |
| Swagger Api Change Log |  |
Tracks API change history in Swagger UI | — |
| PDF Extractor |  |
App that extracts data from PDFs and saves it to Excel | — |
| Excel Parser |  |
App that classifies data inside Excel files and exports it to separate Excel files | — |
The stats in this section are generated automatically by a workflow and are written in Korean.
🐱 저의 GitHub 정보에요.
📦 GitHub의 ?만큼의 저장소를 사용하고 있어요.
🏆 7,453 만큼의 Contributions을 2026년에 했어요
🚫 구직중이지 않아요.
📜 38개의 Public Repository를 만들었어요.
🔑 0개의 Private Repository를 만들었어요.
저는 아침형 인간이에요. 🐤
🌞 아침 133186 commits ⬛⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 19.43 %
🌆 낮 296271 commits ⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 43.22 %
🌃 저녁 161655 commits ⬛⬛⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 23.58 %
🌙 밤 94378 commits ⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 13.77 %
📅 제가 가장 생산적인 날은 월요일이에요.
월요일 135464 commits ⬛⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 19.76 %
화요일 135153 commits ⬛⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 19.72 %
수요일 92326 commits ⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 13.47 %
목요일 98181 commits ⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 14.32 %
금요일 96762 commits ⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 14.12 %
토요일 62821 commits ⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 09.16 %
일요일 64783 commits ⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 09.45 %
📊 저는 이번주를 이렇게 시간을 보냈어요.
🕑︎ Timezone: Asia/Seoul
💬 프로그래밍 언어들:
Markdown 8 hrs 44 mins ⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 49.10 %
C 2 hrs ⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 11.25 %
Other 1 hr 44 mins ⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 09.78 %
TypeScript 1 hr 33 mins ⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 08.76 %
YAML 1 hr 14 mins ⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 06.96 %
🔥 에디터들:
Claude Code 14 hrs 50 mins ⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬜⬜⬜⬜ 83.36 %
CLion 2 hrs 31 mins ⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 14.15 %
IntelliJ IDEA 25 mins ⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 02.39 %
PyCharm 1 min ⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 00.10 %
🐱💻 프로젝트들:
second-brain 6 hrs 29 mins ⬛⬛⬛⬛⬛⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 36.49 %
c-data-structure-study 2 hrs 31 mins ⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 14.15 %
waitee-shop-admin 1 hr 35 mins ⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 08.89 %
Big-Brother-BE 1 hr 34 mins ⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 08.87 %
waitee-server 1 hr 32 mins ⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 08.63 %
💻 운영 체제들:
Mac 17 hrs 48 mins ⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛ 100.00 %
🤖 AI Coding This Week
⏱ AI Coding Time: 15 hrs 13 mins (85.49%)
✍️ 25,250 lines written by AI, 444 lines written by hand (98.27% AI-written)
🔤 21,639,997 Input Tokens, 1,849,174 Output Tokens
💵 $223.85 Estimated AI Cost This Week
🧠 39 AI Sessions, 312 AI Prompts
Sonnet 14,481 lines ⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 57.03 %
Opus 10,226 lines ⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 40.27 %
Fable 501 lines ⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 01.97 %
Haiku 184 lines ⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 00.72 %
🔎 AI Coding Insights:
🤖 AI-Driven — 98.27% of written lines came from AI
📚 Verbose Prompter — average 3,811 characters per prompt
🔁 Iterative Prompter — average 8 prompts per session
🚀 High AI Trust — 2.56% of changed lines were hand-edited
저는 주로 Java 언어를 사용해요.
Java 24 repos ⬛⬛⬛⬛⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 30.00 %
Python 17 repos ⬛⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 21.25 %
TypeScript 15 repos ⬛⬛⬛⬛⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 18.75 %
HTML 3 repos ⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 03.75 %
C 2 repos ⬛⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜ 02.50 %
Last Updated on 2026년 10월 15일 09:22:06 UTC UTC
Note: Based on public repositories. Monorepos, forks, and generated files may skew the ratios.