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kym8821/README.md



๐Ÿ‘‹ Backend Developer ๊น€์šฉ๋ฏผ์ž…๋‹ˆ๋‹ค

๋ฌธ์ œ๋ฅผ ๋‹จ์ˆœํžˆ ํ•ด๊ฒฐํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋ผ, ์›์ธ์„ ๊ตฌ์กฐ์ ์œผ๋กœ ๋ถ„์„ํ•˜๊ณ  ์žฌ๋ฐœํ•˜์ง€ ์•Š๋Š” ๋ฐฉ์‹์œผ๋กœ ๊ฐœ์„ ํ•˜๋Š” ๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ์ž์ž…๋‹ˆ๋‹ค.

์„œ๋น„์Šค ๊ฐœ๋ฐœ ๊ณผ์ •์—์„œ ๋ฐœ์ƒํ•˜๋Š” ์„ฑ๋Šฅ ๋ฌธ์ œ์™€ ๊ตฌ์กฐ์  ํ•œ๊ณ„๋ฅผ ํ•ด๊ฒฐํ•˜๋Š” ๋ฐ ์ง‘์ค‘ํ•ด์™”์Šต๋‹ˆ๋‹ค. JPA N+1 ๋ฌธ์ œ๋ฅผ ๋ถ„์„ํ•˜๊ณ  ์กฐํšŒ ์ „๋žต์„ ์žฌ๊ตฌ์„ฑํ•˜์—ฌ API ์‘๋‹ต ์†๋„๋ฅผ ์•ฝ 40% ๊ฐœ์„ ํ–ˆ๊ณ , ์‹ค์‹œ๊ฐ„ ์ŠคํŠธ๋ฆฌ๋ฐ ์‹œ์Šคํ…œ์—์„œ๋Š” I/O ๊ตฌ์กฐ์™€ ์ „์†ก ๋ฐฉ์‹์„ ๊ฐœ์„ ํ•˜์—ฌ FPS 5 โ†’ 30, ๋ฉ”๋ชจ๋ฆฌ ์‚ฌ์šฉ๋Ÿ‰ ์•ˆ์ •ํ™”(700MB ์ˆ˜์ค€) ๋ฅผ ๋‹ฌ์„ฑํ–ˆ์Šต๋‹ˆ๋‹ค.

๋˜ํ•œ Redis, Kafka, WebSocket ๊ธฐ๋ฐ˜์˜ ์‹ค์‹œ๊ฐ„ ํŒŒ์ดํ”„๋ผ์ธ์„ ์„ค๊ณ„ํ•˜๋ฉฐ DB Write ํšŸ์ˆ˜๋ฅผ 45ํšŒ โ†’ 1ํšŒ๋กœ ์ค„์ด๋Š” ๊ตฌ์กฐ ๊ฐœ์„ ์„ ๊ฒฝํ—˜ํ–ˆ๊ณ , MSA ๊ตฌ์กฐ๋ฅผ ์ง์ ‘ ์ ์šฉํ•˜๋ฉฐ ์•„ํ‚คํ…์ฒ˜ ์„ ํƒ์˜ ํŠธ๋ ˆ์ด๋“œ์˜คํ”„๋ฅผ ๊ณ ๋ฏผํ•ด์™”์Šต๋‹ˆ๋‹ค

๊ธฐ์ˆ ์€ ๋ชฉ์ ์ด ์•„๋‹ˆ๋ผ ๋ฌธ์ œ ํ•ด๊ฒฐ์„ ์œ„ํ•œ ๋„๊ตฌ๋ผ๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค. ํ•ญ์ƒ โ€œ์™œ ์ด ๊ตฌ์กฐ๊ฐ€ ํ•„์š”ํ•œ๊ฐ€โ€๋ฅผ ๊ณ ๋ฏผํ•˜๋ฉฐ, ํ˜„์žฌ ์ƒํ™ฉ์— ๊ฐ€์žฅ ์ ํ•ฉํ•œ ์„ค๊ณ„๋ฅผ ์„ ํƒํ•˜๋Š” ๊ฐœ๋ฐœ์ž๊ฐ€ ๋˜๊ณ ์ž ํ•ฉ๋‹ˆ๋‹ค.



๐Ÿ“š STACKS



๐Ÿš€ PROJECTS

๐ŸŽจ ์นด์นด์˜คํ†ก ํ…Œ๋งˆ ์ปค์Šคํ„ฐ๋งˆ์ด์ง• ์„œ๋น„์Šค

์‚ฌ์šฉ์ž๊ฐ€ ์ง์ ‘ ํ…Œ๋งˆ๋ฅผ ์ œ์ž‘ํ•˜๊ณ  ๊ณต์œ ํ•  ์ˆ˜ ์žˆ๋Š” ์ปค์Šคํ„ฐ๋งˆ์ด์ง• ํ”Œ๋žซํผ

๐Ÿ“Œ ๊ฐœ์š”

  • ์ด๋ฏธ์ง€ ๋ฐ ์Šคํƒ€์ผ ์š”์†Œ๋ฅผ ์กฐํ•ฉํ•˜์—ฌ ์นด์นด์˜คํ†ก ํ…Œ๋งˆ๋ฅผ ์ƒ์„ฑํ•˜๊ณ  ๊ณต์œ ํ•  ์ˆ˜ ์žˆ๋Š” ์„œ๋น„์Šค

โš™๏ธ ๊ธฐ์ˆ  ์Šคํƒ

  • Backend: Java, Spring Boot, Spring Data JPA, MySQL, Docker, Redis
  • Frontend: React, TypeScript

๐Ÿ‘จโ€๐Ÿ’ป ์ฃผ์š” ๊ธฐ์—ฌ

  • ํ…Œ๋งˆ ๋ฐ ๊ฒŒ์‹œ๊ธ€ API ์„ค๊ณ„ ๋ฐ ๊ตฌํ˜„
  • ์กฐํšŒ ์„ฑ๋Šฅ ์ตœ์ ํ™” (์ฟผ๋ฆฌ 14 โ†’ 7, ์‘๋‹ต์‹œ๊ฐ„ 40% ๊ฐœ์„ )
  • Docker ๋ฉ€ํ‹ฐ ์Šคํ…Œ์ด์ง• ์ ์šฉ (500MB โ†’ 150MB ์ด๋ฏธ์ง€ ์ตœ์ ํ™”)
  • ์•ˆ๋“œ๋กœ์ด๋“œ ํ™˜๊ฒฝ ํ…Œ๋งˆ ์ƒ์„ฑ ๋ฐ ์ ์šฉ ๊ธฐ๋Šฅ ๊ตฌํ˜„

๐Ÿ”— Repository


๐Ÿฅ AI ๊ธฐ๋ฐ˜ ์‹ค์‹œ๊ฐ„ ๋“œ๋Ÿผ ์—ฐ์ฃผ ์ฑ„์  ์„œ๋น„์Šค

์‹ค์‹œ๊ฐ„ ์—ฐ์ฃผ ๋ฐ์ดํ„ฐ๋ฅผ ๋ถ„์„ํ•˜์—ฌ ์ •ํ™•๋„๋ฅผ ํ‰๊ฐ€ํ•˜๋Š” AI ๊ธฐ๋ฐ˜ ์Œ์•… ์„œ๋น„์Šค

๐Ÿ“Œ ๊ฐœ์š”

  • ์‚ฌ์šฉ์ž ๋“œ๋Ÿผ ์—ฐ์ฃผ๋ฅผ ์‹ค์‹œ๊ฐ„ ๋ถ„์„ํ•˜์—ฌ ๋ฐ•์ž ๋ฐ ์Œ ์ •ํ™•๋„ ์ธก์ •
  • ์—…๋กœ๋“œ๋œ ์•…๋ณด๋ฅผ ๋ถ„์„ํ•˜์—ฌ ์„œ๋น„์Šค์—์„œ ํ™œ์šฉ ๊ฐ€๋Šฅํ•œ ํฌ๋งท์œผ๋กœ ๋ณ€ํ™˜

โš™๏ธ ๊ธฐ์ˆ  ์Šคํƒ

  • Backend: Java, Spring Boot, Spring Cloud, JPA, WebSocket(STOMP), MySQL, Docker, Kafka, Redis
  • Frontend: Flutter, Dart

๐Ÿ‘จโ€๐Ÿ’ป ์ฃผ์š” ๊ธฐ์—ฌ

  • JWT ๊ธฐ๋ฐ˜ ์ธ์ฆ/์ธ๊ฐ€ ์‹œ์Šคํ…œ ๊ตฌ์ถ•
  • STOMP ๊ธฐ๋ฐ˜ ์‹ค์‹œ๊ฐ„ ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ ํŒŒ์ดํ”„๋ผ์ธ ์„ค๊ณ„
  • Spring Cloud ๊ธฐ๋ฐ˜ MSA ์•„ํ‚คํ…์ฒ˜ ๊ตฌ์ถ•
  • Docker ์ด๋ฏธ์ง€ ์ตœ์ ํ™” (2GB โ†’ 700MB)

๐Ÿ”— Repository


๐Ÿค ์ž๋ฆฝ ์ค€๋น„ ์ฒญ๋…„์„ ์œ„ํ•œ ์‹ค์‹œ๊ฐ„ ๋งค์นญ ์‹œ์Šคํ…œ

๋ฉ˜ํ† -๋ฉ˜ํ‹ฐ๋ฅผ ์‹ค์‹œ๊ฐ„์œผ๋กœ ์—ฐ๊ฒฐํ•˜๊ณ  ์†Œํ†ต์„ ์ง€์›ํ•˜๋Š” ํ”Œ๋žซํผ

๐Ÿ“Œ ๊ฐœ์š”

  • ์ž๋ฆฝ ์ค€๋น„ ์ฒญ๋…„์„ ์œ„ํ•œ ๋ฉ˜ํ† ๋ง ๋งค์นญ ๋ฐ ์ •๋ณด ์ œ๊ณต ์„œ๋น„์Šค

โš™๏ธ ๊ธฐ์ˆ  ์Šคํƒ

  • Backend: Kotlin, Spring Boot, JPA, WebSocket(STOMP), MySQL, Docker
  • Frontend: React, JavaScript

๐Ÿ‘จโ€๐Ÿ’ป ์ฃผ์š” ๊ธฐ์—ฌ

  • JWT ๊ธฐ๋ฐ˜ ์ธ์ฆ/์ธ๊ฐ€ ๊ตฌํ˜„
  • STOMP ๊ธฐ๋ฐ˜ ์‹ค์‹œ๊ฐ„ ์ฑ„ํŒ… ์‹œ์Šคํ…œ ๊ตฌํ˜„
  • ์ฑ„ํŒ…๋ฐฉ ๋ฐ ๋ฉ”์‹œ์ง€ ๊ด€๋ฆฌ API ์„ค๊ณ„ ๋ฐ ๊ฐœ๋ฐœ

๐Ÿ”— Repository


๐Ÿ† ๋ฐฑ์ค€ ์ฃผ๊ฐ„ ๋žญํ‚น ์„œ๋น„์Šค

solved.ac ๊ธฐ๋ฐ˜ ๋ฌธ์ œ ์ถ”์ฒœ ๋ฐ ์‚ฌ์šฉ์ž ๋žญํ‚น ์„œ๋น„์Šค

๐Ÿ“Œ ๊ฐœ์š”

  • solved.ac API๋ฅผ ํ™œ์šฉํ•œ ๋ฌธ์ œ ์ถ”์ฒœ ๋ฐ ์ฃผ๊ฐ„ ๋žญํ‚น ์ œ๊ณต

โš™๏ธ ๊ธฐ์ˆ  ์Šคํƒ

  • Backend: TypeScript, Express, MySQL
  • Frontend: React, TypeScript

๐Ÿ‘จโ€๐Ÿ’ป ์ฃผ์š” ๊ธฐ์—ฌ

  • ์ฃผ๊ฐ„ ๋žญํ‚น ์‹œ์Šคํ…œ ๊ตฌํ˜„
  • ๋ฌธ์ œ ์ •๋ณด ํฌ๋กค๋ง ๊ธฐ๋Šฅ ๊ฐœ๋ฐœ
  • ์‚ฌ์šฉ์ž ์ธ์ฆ ๊ธฐ๋Šฅ ๊ตฌํ˜„

๐Ÿ”— Repository


๐ŸŒง ์‹ค์‹œ๊ฐ„ ๊ฐ•์ˆ˜๋Ÿ‰ ๊ธฐ๋ฐ˜ ์นจ์ˆ˜ ์˜ˆ์ธก ์„œ๋น„์Šค

์‹ค์‹œ๊ฐ„ ๋ฐ์ดํ„ฐ๋ฅผ ํ™œ์šฉํ•œ ์ง€์—ญ๋ณ„ ์นจ์ˆ˜ ์œ„ํ—˜๋„ ๋ถ„์„ ์‹œ์Šคํ…œ

๐Ÿ“Œ ๊ฐœ์š”

  • ๊ฐ•์ˆ˜๋Ÿ‰ ๋ฐ์ดํ„ฐ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ์ง€์—ญ๋ณ„ ์นจ์ˆ˜ ์œ„ํ—˜๋„๋ฅผ ๋ถ„์„ ๋ฐ ์ œ๊ณต

โš™๏ธ ๊ธฐ์ˆ  ์Šคํƒ

  • Backend: Django, DRF, Python, MySQL
  • Frontend: React, JavaScript

๐Ÿ‘จโ€๐Ÿ’ป ์ฃผ์š” ๊ธฐ์—ฌ

  • OpenStreetMap ๊ธฐ๋ฐ˜ ์ง€๋„ ๊ฒฉ์ž UI ๊ตฌํ˜„ ๋ฐ ์œ„ํ—˜๋„ ์‹œ๊ฐํ™”
  • ์™ธ๋ถ€ ๊ฐ•์ˆ˜๋Ÿ‰ API ์—ฐ๋™ ๋ฐ ๋ฐ์ดํ„ฐ ์ˆ˜์ง‘ ํŒŒ์ดํ”„๋ผ์ธ ๊ตฌ์ถ•
  • ์นจ์ˆ˜ ์œ„ํ—˜๋„ ์‚ฐ์ • ๋กœ์ง ์„ค๊ณ„ ๋ฐ API ๊ตฌํ˜„

๐Ÿ”— Repository



๐Ÿ“˜ STUDY LINKS

Pinned Loading

  1. kakao-theme-maker/backend kakao-theme-maker/backend Public

    backend service repository

    Java

  2. kookmin-sw/capstone-2025-22 kookmin-sw/capstone-2025-22 Public

    2025-1-cap-template created by GitHub Classroom

    Jupyter Notebook 4