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minhahamin/README.md

๐Ÿ‘‹ ์•ˆ๋…•ํ•˜์„ธ์š”, ๊ฐœ๋ฐœ์ž ํ™๋ฏผํ•˜์ž…๋‹ˆ๋‹ค

React ยท Node ยท Spring ํ’€์Šคํƒ 2๋…„์ฐจ, ์ง€๊ธˆ์€ LangGraph ๊ธฐ๋ฐ˜ AI ์—์ด์ „ํŠธ๋ฅผ ๋งŒ๋“ญ๋‹ˆ๋‹ค.

๋กœ๊ทธ ์†์˜ ๋‹จ์„œ๋ฅผ ์ถ”์ ํ•ด ๋ฌธ์ œ์˜ ๋ฟŒ๋ฆฌ๋ฅผ ํ•ด๊ฒฐํ•˜๊ณ ,
LLM ยท RAG ยท AI Agent๋กœ ์‹ค์ œ๋กœ ๋™์ž‘ํ•˜๋Š” ์„œ๋น„์Šค๋ฅผ ๋งŒ๋“œ๋Š” ๊ฐœ๋ฐœ์ž๋กœ ์„ฑ์žฅํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

Portfolio Email


๐Ÿ™‹ About Me

  • ๐ŸŽ“ ์ปดํ“จํ„ฐ๊ณตํ•™ ์ „๊ณต
  • ๐Ÿ’ผ ํ’€์Šคํƒ ์›น ๊ฐœ๋ฐœ์ž 2๋…„์ฐจ โ€” ํ”„๋ก ํŠธ์—”๋“œ, ๋ฐฑ์—”๋“œ, ๋ฐฐํฌ๊นŒ์ง€ ์„œ๋น„์Šค ์ „์ฒด ํ๋ฆ„์„ ๊ตฌํ˜„
  • ๐Ÿญ MES ์ƒ์‚ฐ๊ด€๋ฆฌ ์‹œ์Šคํ…œ ๊ฐœ๋ฐœ, 5๊ฐœ ์ œ์กฐ์‚ฌ ๋‚ฉํ’ˆ ์™„๋ฃŒ
  • ๐Ÿฆบ SafeWith ํ˜„์žฅ ์•ˆ์ „๊ด€๋ฆฌ SaaS ๊ฐœ๋ฐœ (RBAC, JWT ์„ธ์…˜ ๊ด€๋ฆฌ)
  • ๐Ÿค– LangGraph, RAG, Function Calling ๊ธฐ๋ฐ˜ AI ์—์ด์ „ํŠธ ๊ฐœ์ธ ํ”„๋กœ์ ํŠธ 5๊ฐœ ๊ฐœ๋ฐœ ๋ฐ ๋ฐฐํฌ
  • ๐Ÿ“š ํ˜„์žฌ [์ด์ŠคํŠธ์บ ํ”„] AI ํœด๋จผ(๋ฉ€ํ‹ฐ๋ชจ๋‹ฌ ยท TTS/STT ยท ํ”„๋กฌํ”„ํŠธ ์—”์ง€๋‹ˆ์–ด๋ง ยท RAG) ๊ณผ์ • ์ˆ˜๊ฐ• ์ค‘ (2026.06 ~ 2026.11)

๐Ÿ“ˆ Impact

์„ฑ๊ณผ ๋‚ด์šฉ
โšก ์ฟผ๋ฆฌ ์‘๋‹ต 95%โ†“ ๋Œ€์šฉ๋Ÿ‰ ์ƒ์‚ฐ ์ด๋ ฅ ์กฐํšŒ 5.2s โ†’ 0.28s (๋ณตํ•ฉ ์ธ๋ฑ์Šค, N+1 ์ œ๊ฑฐ, ์„œ๋ฒ„ ํŽ˜์ด์ง•)
๐Ÿš€ ๋Œ€์‹œ๋ณด๋“œ ๋กœ๋”ฉ 77%โ†“ 3.5s โ†’ 0.8s (Promise.all ๋ณ‘๋ ฌ ํ˜ธ์ถœ)
๐Ÿ”’ LOT ๋ฒˆํ˜ธ ์ค‘๋ณต 0๊ฑด DB ์‹œํ€€์Šค + UNIQUE ์ธ๋ฑ์Šค + ์žฌ์‹œ๋„๋กœ Race Condition ํ•ด๊ฒฐ
๐Ÿ”‘ ๊ฐ•์ œ ๋กœ๊ทธ์•„์›ƒ 0๊ฑด Axios Interceptor ๊ธฐ๋ฐ˜ 401 ๊ฐ์ง€ โ†’ Refresh Token ์ž๋™ ์žฌ๋ฐœ๊ธ‰

๐Ÿš€ Featured Projects

๐Ÿค– AI Agent Projects (๊ฐœ์ธ ํ”„๋กœ์ ํŠธ)

ํ”„๋กœ์ ํŠธ ์„ค๋ช… ํ•ต์‹ฌ ๊ธฐ์ˆ  ๋งํฌ
๐Ÿข AI Agent Company ๋ชฉํ‘œ ํ•œ ์ค„๋กœ CEO ยท Planner ยท Developer ยท Reviewer ยท Reporter 5๊ฐœ ์—์ด์ „ํŠธ๊ฐ€ ํ˜‘์—…ํ•ด ๋ณด๊ณ ์„œ๋ฅผ ๋งŒ๋“œ๋Š” ๋ฉ€ํ‹ฐ์—์ด์ „ํŠธ ํ”Œ๋žซํผ LangGraph ยท FastAPI ยท Next.js ยท PostgreSQL Demo ยท Repo
๐Ÿ’ฐ PennyWise (ํŽ˜๋‹ˆ์™€์ด์ฆˆ) ์นด๋“œ CSV ยท ์˜์ˆ˜์ฆ ์‚ฌ์ง„์„ LLM์ด ๋ถ„๋ฅ˜ยท๋ถ„์„ํ•ด ์˜ˆ์‚ฐ ์•Œ๋ฆผ๊ณผ ์ ˆ์•ฝ ํŒ์„ ์ œ๊ณตํ•˜๋Š” ์žฌ๋ฌด ์—์ด์ „ํŠธ LangGraph ยท FastAPI ยท Vision LLM ยท React ยท Recharts Demo ยท Repo
๐Ÿญ ERPilot (SmartERP) ์ž์—ฐ์–ด๋กœ ERP ๋ฐ์ดํ„ฐ๋ฅผ ์กฐํšŒํ•˜๊ณ  ์‚ฌ๋‚ด ๋ฌธ์„œ๋ฅผ ๊ฒ€์ƒ‰ํ•˜๋Š” AI Copilot์ด ๊ฒฐํ•ฉ๋œ B2B SaaS NestJS ยท Prisma ยท PostgreSQL ยท Gemini Function Calling ยท RBAC Demo ยท Repo
๐Ÿงญ LearnPath ์‹ค์ œ ์›น ๊ฒ€์ƒ‰ ๊ฒฐ๊ณผ์—๋งŒ ๊ทผ๊ฑฐํ•ด ํ•™์Šต ๋กœ๋“œ๋งต์„ ๋งŒ๋“œ๋Š” ReAct ๊ธฐ๋ฐ˜ ํ๋ ˆ์ดํ„ฐ (ํ™˜๊ฐ URL ์ฝ”๋“œ๋กœ ์ฐจ๋‹จ) ReAct ยท Gemini ยท Tavily ยท FastAPI ยท React Query Demo ยท Repo

๐Ÿ’ผ Work Experience Projects

๐Ÿญ MES ์ƒ์‚ฐ๊ด€๋ฆฌ ์‹œ์Šคํ…œ โ€” 5๊ฐœ ์ œ์กฐ์‚ฌ ๋‚ฉํ’ˆ

๊ธฐ์ค€์ •๋ณด ยท ์˜์—… ยท ์ƒ์‚ฐ ยท ํ’ˆ์งˆ ยท ์ž์žฌ๋ฅผ ํ†ตํ•ฉ ๊ด€๋ฆฌํ•˜๋Š” ์ œ์กฐ ํ˜„์žฅ MES

  • Stack: Java ยท Spring ยท MyBatis ยท Oracle ยท JSP / React ยท Node.js ยท Nest.js ยท MariaDB
  • ์ƒ์‚ฐ ๊ณ„ํš ยท ์ž‘์—… ์ง€์‹œ ยท ์žฌ๊ณ  ยท HACCP ์˜จ๋„์ผ์ง€ ยท KPI ๋ถˆ๋Ÿ‰๋ฅ  ยท LOT ๋ฐœ๊ธ‰ ยท ๊ถŒํ•œ ๊ด€๋ฆฌ
  • ๋Œ€์šฉ๋Ÿ‰ ์ฟผ๋ฆฌ ์ตœ์ ํ™”(95%โ†“), API ๋ณ‘๋ ฌํ™”(77%โ†“), LOT ๋™์‹œ์„ฑ ์ด์Šˆ ํ•ด๊ฒฐ

๐Ÿฆบ SafeWith ํ˜„์žฅ ์•ˆ์ „๊ด€๋ฆฌ ์‹œ์Šคํ…œ

ํ˜„์žฅ ์šด์˜ ยท ์•ˆ์ „ ์ ๊ฒ€ ยท ๊ทผ๋กœ์ž ยท ํ˜‘๋ ฅ์‚ฌ๋ฅผ ํ†ตํ•ฉ ๊ด€๋ฆฌํ•˜๋Š” SaaS ํ”Œ๋žซํผ

  • Stack: Next.js ยท React ยท Node.js ยท Express ยท PostgreSQL ยท REST API ยท JWT
  • ์œ„์„ฑ GIS ๊ด€์ œ ๋Œ€์‹œ๋ณด๋“œ, ๋ณดํ˜ธ๊ตฌ ์ง€๊ธ‰ ๊ด€๋ฆฌ, ์œ„ํ—˜์„ฑ ํ‰๊ฐ€, RBAC ๊ถŒํ•œ ๊ด€๋ฆฌ
  • Refresh Token ์ž๋™ ์žฌ๋ฐœ๊ธ‰์œผ๋กœ ์ ๊ฒ€ ์ผ์ง€ ์ž‘์„ฑ ์ค‘ ์„ธ์…˜ ๋‹จ์ ˆ 0๊ฑด

๐Ÿ›  Tech Stack

Frontend
React Next.js TypeScript JavaScript Tailwind CSS

Backend
Node.js Express NestJS Java Spring Boot FastAPI

Database
PostgreSQL MariaDB Oracle Prisma

AI / Agent
Python LangChain LangGraph Gemini RAG Function Calling

Infra
Docker Railway Vercel AWS


๐Ÿค– Currently Learning

LLM Application ยท Prompt Engineering ยท RAG Architecture ยท Vector Database ยท AI Agent (LangGraph) ยท Multimodal AI ยท TTS / STT


๐Ÿ“š Development Philosophy

์ข‹์€ ๊ฐœ๋ฐœ์ž๋Š” ์ฝ”๋“œ๋ฅผ ์ž‘์„ฑํ•˜๋Š” ์‚ฌ๋žŒ์ด ์•„๋‹ˆ๋ผ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๋Š” ์‚ฌ๋žŒ์ด๋ผ๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
๋กœ๊ทธ์—์„œ ๋‹จ์„œ๋ฅผ ์ฐพ๊ณ , ์ž„์‹œ๋ฐฉํŽธ์ด ์•„๋‹Œ ๊ทผ๋ณธ ์›์ธ์„ ํ•ด๊ฒฐํ•ด ์‚ฌ์šฉ์ž์˜ ์ผ์ƒ์„ ์ง€ํ‚ต๋‹ˆ๋‹ค.


๐Ÿ“ซ Contact

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  1. ai-agent-company ai-agent-company Public

    CEO๊ฐ€ ์ผ์„ ๋‚˜๋ˆ„๊ณ , Planner๊ฐ€ ๊ณ„ํš์„ ์„ธ์šฐ๊ณ , Developer๊ฐ€ ์ดˆ์•ˆ์„ ์“ฐ๊ณ , Reviewer๊ฐ€ ๊ฒ€ํ† ํ•˜๊ณ (๋ฏธํกํ•˜๋ฉด ์žฌ์ž‘์—… ์ง€์‹œ), Reporter๊ฐ€ ์ตœ์ข… ๋ณด๊ณ ์„œ๋ฅผ ์ •๋ฆฌ

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  2. PennyWise PennyWise Public

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  3. LearnPath LearnPath Public

    ReAct ๊ธฐ๋ฐ˜ ๊ฐœ์ธ ๋งž์ถค ํ•™์Šต ๋กœ๋“œ๋งต ์ƒ์„ฑ ai ์—์ด์ „ํŠธ

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  4. SmartERP SmartERP Public

    ai ์ฑ—๋ด‡์ด ์žˆ๋Š” erp ์‚ฌ์ดํŠธ

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  5. mediRail mediRail Public

    ๊ทผ๊ฑฐ ๊ธฐ๋ฐ˜(์ธ์šฉ ํ•„์ˆ˜) ์˜๋ฃŒ AI ์—์ด์ „ํŠธ. ์ง„๋‹จยท์ฒ˜๋ฐฉ์€ ํ•˜์ง€ ์•Š์œผ๋ฉฐ ์ตœ์ข… ํŒ๋‹จ์€ ์˜๋ฃŒ์ง„์—๊ฒŒ ์œ„์ž„

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  6. See-you See-you Public

    ์—ฌํ–‰ ์กฐ๊ฑด์„ ๋งํ•˜๋ฉด ์žฅ์†Œยทํ›„๊ธฐ๋ฅผ ๊ฒ€์ƒ‰ํ•˜๊ณ  ๋‚ ์”จ์™€ ๋™์„ ์„ ๊ณ ๋ คํ•ด ์ผ์ •์„ ์งœ๊ณ , ํ”ผ๋“œ๋ฐฑ์— ๋งž์ถฐ ์ˆ˜์ •ํ•˜๋Š” LangGraph ๊ธฐ๋ฐ˜ Agentic RAG ์„œ๋น„์Šค

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