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JavaCPP0/README.md

Hi ๐Ÿ‘‹, I'm Youmin Lee

I want to become a great backend developer who continues to grow.

javacpp0

Connect with me:

youminlee youmin0107

Languages and Tools:

aws c cplusplus express firebase git html5 javascript mysql nodejs python

javacpp0 javacpp0 javacpp0

๐Ÿ‘‹ ์•ˆ๋…•ํ•˜์„ธ์š”, ์ด์œ ๋ฏผ์ž…๋‹ˆ๋‹ค!

์„œ๋ฒ„ / ๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ์ž
Node.js ยท Next.js ยท TypeScript ยท Python ยท C ยท C++ ยท Redis ยท PostgreSQL ยท MySQL ยท Docker ยท AWS(EC2/RDS)

๋ฌธ์ œ ํ•ด๊ฒฐ์„ ์ฆ๊ธฐ๊ณ  ๋„์ „์„ ๋‘๋ ค์›Œํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์ปดํฌํŠธ์กด์„ ๋ฒ—์–ด๋‚˜๋ ค ๋…ธ๋ ฅํ•˜๋ฉฐ ๋น ๋ฅด๊ฒŒ ์ ์‘ํ•˜๋ฉฐ ๊พธ์ค€ํžˆ ๊ฐœ์„ ํ•˜๋Š” ๊ฐœ๋ฐœ์ž์ž…๋‹ˆ๋‹ค.

์ „ ์ข‹์€ ๊ฐœ๋ฐœ์ž๋Š” ์ƒˆ๋กœ์šด ๊ธฐ์ˆ ๋“ค์ด ๋น ๋ฅด๊ฒŒ ์Ÿ์•„์ง€๋Š” ์„ธ์ƒ์— ๋„ํƒœ๋˜์ง€ ์•Š๋Š” ๊ฐœ๋ฐœ์ž๋ผ๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค. ๋„ํƒœ๋˜์ง€ ์•Š๋Š” ๊ฐœ๋ฐœ์ž๊ฐ€ ๋˜๊ฒ ์Šต๋‹ˆ๋‹ค.


๐Ÿง‘โ€๐Ÿ’ป About Me

  • ๋ฐ์ดํ„ฐ ๋ถ„์„(ํŒŒ์ด์ฌ)๋ถ€ํ„ฐ Node.js ๊ธฐ๋ฐ˜ ์‹ค์‹œ๊ฐ„/์›น ์„œ๋น„์Šค๊นŒ์ง€ ๋‹ค์–‘ํ•œ ๊ฒฝํ—˜
  • ๋ถ€ํŠธ์บ ํ”„ยท์Šคํ„ฐ๋””๋ฅผ ํ†ตํ•ด ์‹ค์ „ ๊ฐ๊ฐ๊ณผ ๋ฐฑ์—”๋“œ ๊ธฐ์ˆ  ์—ญ๋Ÿ‰ ํ™•๋ณด
  • ์›Œํ‚นํ™€๋ฆฌ๋ฐ์ด๋ฅผ ์‹ค์šฉ ์˜์–ด ์—ญ๋Ÿ‰ ํ™•๋ณด
  • ์ปจํ…Œ์ด๋„ˆยท๋„์ปค ์ปดํฌ์ฆˆ๋ฅผ ํ™œ์šฉํ•œ ๋กœ์ปฌ/๊ฐœ๋ฐœ ํ™˜๊ฒฝ ๊ตฌ์„ฑ ๋ฐ API ๋ฌธ์„œํ™”(Swagger)

๐Ÿ“ฌ Contact
Email: youmin0107@naver.com
Blog: javacpp.tistory.com
GitHub: github.com/JavaCPP0


๐Ÿ’ผ Experiences

seeso (์ธํ„ด)

2025.05 ~ 2025.06 (1๊ฐœ์›”)
Python ๊ธฐ๋ฐ˜ SeleniumยทRequestsยทBeautifulSoupยทPlaywright๋ฅผ ์‚ฌ์šฉํ•œ ์ฑ„์šฉ ๊ณต๊ณ  ํฌ๋กค๋Ÿฌ ์ œ์ž‘ ๋ฐ ๊ธฐ์กด ํฌ๋กค๋Ÿฌ ์œ ์ง€๋ณด์ˆ˜

  • ํšŒ์‚ฌ๋ณ„ ์ฑ„์šฉ ๊ณต๊ณ  ๋ฆฌ์ŠคํŠธ/์ƒ์„ธ ํŒŒ์‹ฑ ๋กœ์ง ์„ค๊ณ„ ๋ฐ ์•ˆ์ •ํ™”
  • ์‚ฌ์ดํŠธ๋ณ„ ๋ณด์•ˆ/์ƒํƒœ(์ฟ ํ‚ค ๋™์˜, ๋™์  ๋ Œ๋”๋ง) ๋Œ€์‘ ์ „๋žต ์ˆ˜๋ฆฝ

๐Ÿงช Projects

YURAE โ€“ AI ์œ ๋ฌผ/์œ ์ ์ง€ ์ถ”์ฒœ ์„œ๋น„์Šค (2025.12 ~)

๊ฐ„๋‹จํ•œ ์—ฌํ–‰์œ ํ˜• ๊ฒ€์‚ฌ๋ฅผ ํ†ตํ•œ AI ์œ ๋ฌผ/์œ ์ ์ง€ ์ถ”์ฒœ ์„œ๋น„์Šค, ๊ตฟ์ฆˆ ํŒ๋งค,

  • ์ž์—ฐ์–ด ๊ธฐ๋ฐ˜ ๊ฒ€์ƒ‰
    • ์„ค๋ช…

VOCAI โ€“ AI ๋ชจ์˜๋ฉด์ ‘ ์›น ์„œ๋น„์Šค (2025.05 ~ 2025.09)

๐Ÿ”— GitHub

๋ฉด์ ‘ ์ค€๋น„ ์ „ ๊ณผ์ •์„ ์ง€์›ํ•˜๋Š” ์˜จ๋ผ์ธ ํ”Œ๋žซํผ: ์ปค๋ฎค๋‹ˆํ‹ฐ, AI ๋ฉด์ ‘ ์—ฐ์Šต, ํ™”์ƒ ๋ชจ์˜๋ฉด์ ‘

  • ๊ฒŒ์‹œํŒ
    • App Router ๊ธฐ๋ฐ˜ ๋””๋ ‰ํ† ๋ฆฌ ๊ฐœํŽธ: src/app/boards/[boardId]/โ€ฆ ๊ตฌ์กฐ๋กœ ๋ชฉ๋ก/์ƒ์„ธ/์ž‘์„ฑ ๋ถ„๋ฆฌ, ๋ณด๋“œ ๋‹จ์œ„ ๊ฒ€์ƒ‰
    • JWT ์ธ๊ฐ€ ์ ์šฉ(์ˆ˜์ •/์‚ญ์ œ ๋ณดํ˜ธ), API ๋ผ์šฐํŠธ ์ •๋ฆฌ(/api/boards/[boardId]/posts ๋“ฑ)
    • Prisma ์Šคํ‚ค๋งˆ ์ •๋น„ ๋ฐ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ๊ด€๋ฆฌ
  • AI ๋ชจ์˜๋ฉด์ ‘
    • ์งˆ๋ฌธ/ํ”ผ๋“œ๋ฐฑ ํŒŒ์ดํ”„๋ผ์ธ: src/lib/interview/generateQuestion.ts, generateFeedback.ts, /api/interview/ask
    • ์„ธ์…˜ ๋‹จ์œ„ ์š”์•ฝยทํ”ผ๋“œ๋ฐฑ์œผ๋กœ ๋ชจ๋ธ ์žฌ์„ค๊ณ„(์„ธ์…˜ ์—”ํ‹ฐํ‹ฐ์— summary/feedback ์ง‘์•ฝ)
    • ์Œ์„ฑ ํŒŒ์ดํ”„๋ผ์ธ: ๋ธŒ๋ผ์šฐ์ € ๋…น์Œ โ†’ STT(ELEVENLABS) โ†’ ํ…์ŠคํŠธ ๋ถ„์„/ํ”ผ๋“œ๋ฐฑ(Gemini) โ†’ TTS(ELEVENLABS)๋กœ ์งˆ๋ฌธ ์Œ์„ฑ ์ถœ๋ ฅ
  • ๋ฏธ๋“ค์›จ์–ด/์šด์˜
    • ์ธ์ฆ์ด ํ•„์š”ํ•œ API๋ฅผ ๋ฏธ๋“ค์›จ์–ด์—์„œ ํ† ํฐ ๋ณด์œ  ์—ฌ๋ถ€๋กœ ํ•„ํ„ฐ๋ง/์ฐจ๋‹จ
    • ์šฐ๋ถ„ํˆฌ ํ™˜๊ฒฝ์—์„œ Docker ๋ฉ€ํ‹ฐ์Šคํ…Œ์ด์ง€ ๋นŒ๋“œ, docker-compose ๋กœ์ปฌ ํ†ตํ•ฉ ํ™˜๊ฒฝ ๊ตฌ์„ฑ
    • Swagger ๊ธฐ๋ฐ˜ REST API ๋ฌธ์„œํ™” ๋ฐ ํ…Œ์ŠคํŠธ

๊ธฐ์ˆ  ์Šคํƒ: Frontend โ€“ Next.js 15(App Router), TypeScript, React Query, Axios
Backend โ€“ Node.js(Edge/Node ํ˜ผํ•ฉ), Prisma ORM, JWT, WebRTC
Infra & Data โ€“ PostgreSQL
ML/Voice โ€“ ELEVEN LABS API(STT, TTS)
DevOps โ€“ Docker, Docker Compose ยท API Docs โ€“ Swagger

ํŠธ๋Ÿฌ๋ธ”์ŠˆํŒ… ๊ธฐ๋ก:
Next.js 15 params ๊ฒฝ๊ณ  ํ•ด๊ฒฐ ยท Edge Runtime + Prisma ์ถฉ๋Œ ํ•ด๊ฒฐ

Somoon โ€“ ์ฑ„์šฉ ๊ณต๊ณ  ํฌ๋กค๋ง AI ์„œ๋น„์Šค (2025.05 ~ 2025.06)

  • ์‹ ๊ทœ ํฌ๋กค๋Ÿฌ ์ž‘์„ฑ ๋ฐ ๊ธฐ์กด ํฌ๋กค๋Ÿฌ ์œ ์ง€๋ณด์ˆ˜
  • Rippling ๊ฐ™์ด ์ฑ„์šฉ๊ณต๊ณ  ์–‘์‹์„ ์ œ๊ณตํ•˜๋Š” ํšŒ์‚ฌ์˜ ๊ฒฝ์šฐ ๊ณตํ†ต ๋ถ€๋ชจ ํด๋ž˜์Šค ์„ค๊ณ„ โ†’ ์ƒ์†์œผ๋กœ ๋‹ค์ˆ˜ ์‚ฌ์ดํŠธ ํฌ๋กค๋ง
  • Cloudflare ๋Œ€์‘: cf_clearance ํ† ํฐ ์ˆ˜๋™ ํš๋“ยทํ—ค๋” ์ ์šฉ์œผ๋กœ CAPTCHA ์šฐํšŒ
  • Requests + BeautifulSoup ์กฐํ•ฉ์œผ๋กœ ๋งํฌ/์ œ๋ชฉ/๋ณธ๋ฌธ ์ˆ˜์ง‘ ํŒŒ์ดํ”„๋ผ์ธ ๊ตฌํ˜„

Ducktopia โ€“ ๋ฉ€ํ‹ฐํ”Œ๋ ˆ์ด ๋กœ๊ทธ๋ผ์ดํฌ ๊ฒŒ์ž„ (2025.02 ~ 2025.03)

๐Ÿ”— GitHub

  • ์‹ค์‹œ๊ฐ„ ๊ฒŒ์ž„ ์„œ๋ฒ„(Node.js + WebSocket + Protobuf) ์„ค๊ณ„ยท๊ตฌํ˜„
  • ํ”Œ๋ ˆ์ด์–ด ์ด๋™ ๋™๊ธฐํ™”: ์ž…๋ ฅ โ†’ ์„œ๋ฒ„ ๊ฒ€์ฆยท๊ฐฑ์‹  โ†’ ๋ธŒ๋กœ๋“œ์บ์ŠคํŠธ, interpolation/prediction/reconciliation ์ ์šฉ
  • ๋ฌด๊ธฐ ์žฅ์ฐฉ/ํƒˆ์ฐฉ ๋กœ์ง: ์†Œ์œ ๊ถŒยท์Šฌ๋กฏ ์œ ํšจ์„ฑ ๊ฒ€์‚ฌ, ์ƒํƒœ ๋ฐ˜์˜ ๋ฐ ์ด๋ฒคํŠธ ํŠธ๋ฆฌ๊ฑฐ(์• ๋‹ˆ/์ดํŽ™ํŠธ/UI)
  • ์•„์ดํ…œ ๋ฐ•์Šค/ํŒŒ๋ฐ ์˜ค๋ธŒ์ ํŠธ ์ถ”์ƒํ™”: ๊ณตํ†ต ์†์„ฑยท๋ฉ”์„œ๋“œ ์ •์˜๋กœ ํ™•์žฅ์„ฑ ํ™•๋ณด
  • ํŒจํ‚ท ๋ฐ€๋ฆผ ์ด์Šˆ ๋Œ€์‘: ๊ฐœ๋ณ„ ์—…๋ฐ์ดํŠธ โ†’ ์ฃผ๊ธฐ์  ๋ฐฐ์น˜ ์ „์†ก์œผ๋กœ ์ตœ์ ํ™”, ๋ชฌ์Šคํ„ฐ ๋™๊ธฐํ™”์—๋„ ์ ์šฉ
  • ํŒ€ ๋ถ€ํ•˜ ํ…Œ์ŠคํŠธ: ๋™์‹œ ์ด๋™ ์‹œ ํŒจํ‚ท ์ˆ˜ ๊ธ‰์ฆ ๋ฌธ์ œ ๋ถ„์„ยท์™„ํ™”, ์ž„๊ณ„์  ํŒŒ์•…

์Šคํƒ: Node.js, Redis, MySQL, AWS EC2/RDS, Docker, Unity(C#)

์กธ์—… ํ”„๋กœ์ ํŠธ โ€“ ์‡ผํ•‘๋ชฐ ํŒ๋งค ๋ฐ์ดํ„ฐ ๋ถ„์„ (2021.08 ~ 2021.10)

  • pandasยทnumpy๋กœ ๋ฐ์ดํ„ฐ ์ •์ œ, matplotlibยทseaborn ์‹œ๊ฐํ™”
  • ์›”/๋ถ„๊ธฐ/์—ฐ๊ฐ„ ํŠธ๋ Œ๋“œ ๋ถ„์„ โ†’ ๋ฐœ์ฃผ ์˜์‚ฌ๊ฒฐ์ • ์‹œ๊ฐ„ ๋‹จ์ถ•, ์žฌ๊ณ  ๊ด€๋ฆฌ ํšจ์œจ ํ–ฅ์ƒ
  • ํ”Œ๋žซํผ๋ณ„ ์ด์งˆ์  ์—‘์…€ ํฌ๋งท ํ†ต์ผ ๋ฐ ์ž๋™ํ™” ๊ฐ€๋Šฅ์„ฑ ๋„์ถœ

๐Ÿ† Activities

  • Yurae ํ”„๋กœ์ ํŠธ(2025.12 ~ ): AI ๊ธฐ๋ฐ˜ ๋ฌธํ™”์œ ์‚ฐ ํ๋ ˆ์ด์…˜ ํ”Œ๋žซํผ ์ œ์ž‘
  • VOCAI ํ”„๋กœ์ ํŠธ(2025.05 ~ 2025.09): ๋„์ปค ์ปจํ…Œ์ด๋„ˆํ™” ๋ฐ ์ปดํฌ์ฆˆ๋กœ DB ์—ฐ๋™ ๋นŒ๋“œ
  • ์Šคํ„ฐ๋””๊ทธ๋ฃน(2025.03 ~ 2025.05): C++ ์ถ”๊ฐ€ ํ•™์Šต
  • ์ŠคํŒŒ๋ฅดํƒ€ Node.js ๋ถ€ํŠธ์บ ํ”„ 7๊ธฐ โ€“ ํŒ€ ์ตœ์šฐ์ˆ˜์ƒ (2024.11 ~ 2025.03)
  • ์บ๋‚˜๋‹ค ์›Œํ‚นํ™€๋ฆฌ๋ฐ์ด(2023.10 ~ 2024.10) โ€“ ์‹ค์šฉ ์˜์–ดยท์ ์‘๋ ฅ ๊ฐ•ํ™”

๐ŸŽ“ Education

๊ณ ๋ ค์‚ฌ์ด๋ฒ„๋Œ€ํ•™๊ต โ€“ ์†Œํ”„ํŠธ์›จ์–ด๊ณตํ•™๊ณผ (2016.03 ~ 2023.02 ์กธ์—…)

์ฃผ์š” ๊ณผ๋ชฉ: Cํ”„๋กœ๊ทธ๋ž˜๋ฐ(A), ํ”„๋กœ์ ํŠธ๊ด€๋ฆฌ(A+), ํŒŒ์ด์ฌํ”„๋กœ๊ทธ๋ž˜๋ฐ(A+), ์šด์˜์ฒด์ œ(A+), ์ž๋ฃŒ๊ตฌ์กฐ(B+), ์ปดํ“จํ„ฐ ๋„คํŠธ์›Œํฌ(A)


๐Ÿ“œ Certifications & Languages

  • ์ •๋ณด์ฒ˜๋ฆฌ๊ธฐ์‚ฌ ์‹ค๊ธฐ ํ•ฉ๊ฒฉ (2023.06)
  • ์šด์ „๋ฉดํ—ˆ 2์ข… ๋ณดํ†ต (2021.06)

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