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seunghyeonD/README.md

Typing SVG


๐Ÿง‘โ€๐Ÿ’ป About Me

Enterprise SaaS, ๊ธˆ์œต๊ถŒ WebView, ํฌ๋กœ์Šคํ”Œ๋žซํผ ๋ชจ๋ฐ”์ผ ์•ฑ ๋“ฑ ๋‹ค์–‘ํ•œ ํ™˜๊ฒฝ์—์„œ
ํ”„๋ก ํŠธ์—”๋“œ ์‹œ์Šคํ…œ์„ ์„ค๊ณ„ํ•˜๊ณ  ๊ตฌ์ถ•ํ•ฉ๋‹ˆ๋‹ค.
์ตœ๊ทผ์—๋Š” AI/LLM ๊ธฐ๋ฐ˜ ์„œ๋น„์Šค ๊ฐœ๋ฐœ๊ณผ ํ’€์Šคํƒ ์˜์—ญ์œผ๋กœ ํ™•์žฅํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

const daniel = {
    role: "Frontend Developer",
    company: "(์ฃผ)๋ฆฌ๋น—",
    experience: "4๋…„์ฐจ",
    focus: ["Enterprise SaaS", "Cross-platform", "AI/LLM Integration"],
    recentWork: [
        "Vitest ํ…Œ์ŠคํŠธ ํ™˜๊ฒฝ ๊ตฌ์ถ• (30+ ์œ ํ‹ธ ๋‹จ์œ„ ํ…Œ์ŠคํŠธ)",
        "AI ๋ณด๊ณ ์„œ ์ƒ์„ฑ ํŒŒ์ดํ”„๋ผ์ธ (vLLM/Gemma 4 + Ollama Cloud)",
        "AI ๋ณด๊ณ ์„œ ํ’ˆ์งˆ ์ž๋™ํ™” (ํ‹ฐ์–ด ๋ถ„๋ฅ˜ + ํ”„๋ฆฌํŽ˜์น˜ + ํ”„๋กฌํ”„ํŠธ ๊ทœ์น™)",
        "Redis/BullMQ ๋ฆฌํฌํŠธ ํ + SSE ์‹ค์‹œ๊ฐ„ ๊ธ€๋กœ๋ฒŒ ์•Œ๋ฆผ",
        "vLLM ์„œ๋น™ ๋ชจ๋‹ˆํ„ฐ๋ง ์ธํ”„๋ผ (Prometheus + Grafana + LiteLLM + LangFuse)"
    ],
    currentlyLearning: ["NestJS", "LangChain", "LLM Tool Calling", "BullMQ"],
    blog: "https://velog.io/@seunghyeond",
    funFact: "์ปคํ”ผ ํ•œ ์ž”๊ณผ ํ•จ๊ป˜ํ•˜๋Š” ์ฝ”๋”ฉ์ด ์ตœ๊ณ ์˜ ์ƒ์‚ฐ์„ฑ์„ ๋งŒ๋“ญ๋‹ˆ๋‹ค โ˜•"
};

๐Ÿ“ Latest Blog Posts


๐Ÿ“Š GitHub Stats

ย ย 




๐Ÿ›  Tech Stack

Frontend

React TypeScript Next.js React Native Vite Vitest

Backend & AI

NestJS Python LangChain vLLM Ollama LiteLLM

State & Data

Apollo GraphQL Redux BullMQ

UI & Visualization

MUI D3.js Tailwind

Monitoring & Observability

Prometheus Grafana LangFuse

Infra & Tools

Firebase Docker AWS Vercel PostgreSQL Supabase Redis


๐Ÿข Experience

๊ธฐ๊ฐ„ 2023.04 - ์žฌ์ง์ค‘
ํšŒ์‚ฌ Frontend Developer @ (์ฃผ)๋ฆฌ๋น—
์—ญํ•  ํƒ„์†Œ ๋ฐฐ์ถœ ๊ด€๋ฆฌ SaaS ํ”Œ๋žซํผ์˜ ํ”„๋ก ํŠธ์—”๋“œ ์ „๋ฐ˜์„ ๋‹ด๋‹น.
์ž…์‚ฌ ์ดˆ๊ธฐ๋ถ€ํ„ฐ ์•„ํ‚คํ…์ฒ˜ ์„ค๊ณ„์— ์ฐธ์—ฌํ•˜์—ฌ ์ ์ง„์ ์œผ๋กœ ์„ฑ์žฅ.
๋ฒˆ๋“ค๋Ÿฌ ๊ต์ฒด(Webpackโ†’Vite), MUI v5โ†’v7 ์—…๊ทธ๋ ˆ์ด๋“œ, ๋‚ ์งœ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ๊ฒฝ๋Ÿ‰ํ™”(moment.jsโ†’dayjs) ๋“ฑ ๋Œ€๊ทœ๋ชจ ํ”„๋ก ํŠธ์—”๋“œ ์—…๊ทธ๋ ˆ์ด๋“œ๋ฅผ ์ฃผ๋„.
์ตœ๊ทผ์—๋Š” Vitest ๊ธฐ๋ฐ˜ FE ํ…Œ์ŠคํŠธ ํ™˜๊ฒฝ ๊ตฌ์ถ•๊ณผ vLLM/Gemma 4 ๊ธฐ๋ฐ˜ AI ๋ณด๊ณ ์„œ ์ƒ์„ฑ ํŒŒ์ดํ”„๋ผ์ธ, Redis/BullMQ ๋น„๋™๊ธฐ ๋ฆฌํฌํŠธ ํ + SSE ์‹ค์‹œ๊ฐ„ ์•Œ๋ฆผ ์‹œ์Šคํ…œ์„ ๊ตฌ์ถ•.
Prometheus + Grafana + LiteLLM + LangFuse๋กœ vLLM ์„œ๋น™ ๋ชจ๋‹ˆํ„ฐ๋ง ์ธํ”„๋ผ๋ฅผ Docker Compose ๊ธฐ๋ฐ˜์œผ๋กœ ์ง์ ‘ ๊ตฌ์ถ•ํ•˜๋ฉฐ ๋ฐฑ์—”๋“œ/AI/์ธํ”„๋ผ ์˜์—ญ๊นŒ์ง€ ๊ธฐ์ˆ  ์Šคํƒ์„ ํ™•์žฅ ์ค‘.

๐Ÿ“ Projects

๐Ÿข ์‹ค๋ฌด ํ”„๋กœ์ ํŠธ

ํ”„๋กœ์ ํŠธ ์—ญํ•  ํ•ต์‹ฌ ๊ธฐ์ˆ 
ํƒ„์†Œ ๋ฐฐ์ถœ ๊ด€๋ฆฌ SaaS (Enterprise) Lead Frontend Dev React, TS, Vite, MUI v7, GraphQL, Apollo, Vitest
AI ๋ณด๊ณ ์„œ ์ƒ์„ฑ ์‹œ์Šคํ…œ (LLM Pipeline) Full-stack Dev NestJS, vLLM/Gemma 4, Ollama Cloud, BullMQ, Redis, SSE
vLLM ์„œ๋น™ ๋ชจ๋‹ˆํ„ฐ๋ง ์ธํ”„๋ผ (Observability) Infra Dev Prometheus, Grafana, LiteLLM Proxy, LangFuse, Docker Compose
๊ธˆ์œต๊ถŒ ESG ๋ฆฌํฌํŠธ ์‹œ์Šคํ…œ (WebView) Frontend Dev React, TS, D3.js, GraphQL
ํƒ„์†Œ ๋ฐœ์ž๊ตญ ์ถ”์  ํ”Œ๋žซํผ (PWA) Frontend Dev React, TS, PWA, Firebase
๊ธ€๋กœ๋ฒŒ ๋งˆ์ผ€ํŒ… ๋žœ๋”ฉ ํŽ˜์ด์ง€ (Next.js) Frontend Dev Next.js, i18next (ํ•œ/์˜/์ผ)
ํฌ๋กœ์Šคํ”Œ๋žซํผ ๋ชจ๋ฐ”์ผ ์•ฑ (RN) Mobile Dev React Native, TS, WebView Bridge
AI RAG ์ฑ—๋ด‡ ํ”„๋กœํ† ํƒ€์ž… Full-stack Dev React, Node.js, AI/RAG

๐ŸŽฏ ์‚ฌ์ด๋“œ ํ”„๋กœ์ ํŠธ

ํ”„๋กœ์ ํŠธ ์—ญํ•  ํ•ต์‹ฌ ๊ธฐ์ˆ  ๋งํฌ
โ˜• ์ปคํ”ผ๋Œ€์žฅ - ์ปคํ”ผ ๊ธฐ๋ก ์•ฑ Full-stack Dev Next.js, Supabase, Firebase Live GitHub
๐ŸŽฐ ๋กœ๋˜ ๋ฒˆํ˜ธ ์ƒ์„ฑ ์‹œ์Šคํ…œ Full-stack Dev Next.js, NestJS, PostgreSQL GitHub

๐Ÿ† Key Achievements

์„ฑ๊ณผ ์ˆ˜์น˜ ๋ฐฉ๋ฒ•
โšก ํ…Œ์ด๋ธ” ๋ Œ๋”๋ง ์„ฑ๋Šฅ ๊ฐœ์„  83%โ†‘ AG Grid ๊ฐ€์ƒ ์Šคํฌ๋กค๋ง + ๋ฉ”๋ชจ์ด์ œ์ด์…˜
๐Ÿ› Apollo Client ์บ์‹œ ์•ˆ์ •ํ™” ๋ฒ„๊ทธ 90%โ†“ Type Policy ์žฌ์„ค๊ณ„
๐Ÿ”— WebView ๋ธŒ๋ฆฟ์ง€ ํ†ต์‹  ์•ˆ์ •ํ™” 99.5% ํ”Œ๋žซํผ ์ถ”์ƒํ™” + ํ์ž‰ ์‹œ์Šคํ…œ
๐Ÿ’พ PWA ์˜คํ”„๋ผ์ธ ๋ฐ์ดํ„ฐ ๋™๊ธฐํ™” ์œ ์‹ค๋ฅ  0% Service Worker + IndexedDB
๐Ÿ“„ PDF ๋ฆฌํฌํŠธ ๊ฒฝ๋Ÿ‰ํ™” 70%โ†“ Chunked ๋ Œ๋”๋ง + ์••์ถ•
โœ… ๋ฐ์ดํ„ฐ ๊ณ„์‚ฐ ์ •ํ™•๋„ ์›”๊ฐ„ ๋ฒ„๊ทธ 0๊ฑด ๋กœ์ง ์ค‘์•™ํ™” + ๋‹จ์œ„ ํ…Œ์ŠคํŠธ
๐ŸŒ ๋‹ค๊ตญ์–ด ์ง€์› ํ•œ/์˜/์ผ i18next Namespace ์„ค๊ณ„
๐Ÿš€ ๋ฒˆ๋“ค๋Ÿฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ Webpackโ†’Vite ๋นŒ๋“œ/HMR ์„ฑ๋Šฅ ๋Œ€ํญ ๊ฐœ์„ 
๐ŸŽจ UI ํ”„๋ ˆ์ž„์›Œํฌ ์—…๊ทธ๋ ˆ์ด๋“œ MUI v5โ†’v7 Grid API, slotProps, ํ…Œ๋งˆ ์žฌ์„ค๊ณ„
๐Ÿ“ฆ ๋‚ ์งœ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ๊ฒฝ๋Ÿ‰ํ™” momentโ†’dayjs ๋ฒˆ๋“ค ์‚ฌ์ด์ฆˆ ๊ฐ์†Œ
๐Ÿงช FE ํ…Œ์ŠคํŠธ ํ™˜๊ฒฝ ๊ตฌ์ถ• 30+ ๋‹จ์œ„ ํ…Œ์ŠคํŠธ Vitest + RTL + jsdom, ์œ ํ‹ธ ํ•จ์ˆ˜ ์ปค๋ฒ„๋ฆฌ์ง€
๐Ÿค– AI ๋ณด๊ณ ์„œ ์ƒ์„ฑ ํŒŒ์ดํ”„๋ผ์ธ vLLM/Gemma 4 Ollama Cloud ์›น๊ฒ€์ƒ‰ + Tool Calling ํŒŒ์„œ + HTML ํ…œํ”Œ๋ฆฟ
๐ŸŽฏ AI ๋ณด๊ณ ์„œ ํ’ˆ์งˆ ์ž๋™ํ™” ํ‹ฐ์–ด ๊ธฐ๋ฐ˜ ๋ถ„๋Ÿ‰ ์ œ์–ด ์„น์…˜ A/B/C ์ž๋™ ๋ถ„๋ฅ˜, ๋ฐ์ดํ„ฐ ์ฐธ์กฐ ํžŒํŠธ, ์›น๊ฒ€์ƒ‰ ํ”„๋ฆฌํŽ˜์น˜, ํ”„๋กฌํ”„ํŠธ ํ’ˆ์งˆ ๊ทœ์น™
โš™๏ธ ๋น„๋™๊ธฐ ๋ฆฌํฌํŠธ ํ + ์‹ค์‹œ๊ฐ„ ์•Œ๋ฆผ BullMQ + SSE ioredis ์ž‘์—… ํ + NotificationHub ๊ธ€๋กœ๋ฒŒ ์•Œ๋ฆผ
๐Ÿ“ก vLLM ์„œ๋น™ ๋ชจ๋‹ˆํ„ฐ๋ง ์ธํ”„๋ผ ๊ตฌ์ถ• ์ „์ฒด Observability Prometheus + Grafana ๋ฉ”ํŠธ๋ฆญ, LiteLLM Proxy ๋กœ๊น…, LangFuse tool call ์ถ”์ , Docker Compose ์…€ํ”„ํ˜ธ์ŠคํŒ…

๐Ÿ“ฌ Contact

Email GitHub Velog


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