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lsj0822/README.md

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๐Ÿ‘จโ€๐Ÿ’ป ๊นŠ์€ ๊ณ ๋ฏผ์œผ๋กœ ์„ธ์ƒ์„ ๋ฐ”๊พธ๊ณ  ์‹ถ์€ ์ด์„ฑ์ค€์ž…๋‹ˆ๋‹ค

์‹œ์Šคํ…œ์ด ์‹ค์ œ๋กœ ์–ด๋–ป๊ฒŒ ์›€์ง์ด๋Š”์ง€ ๊นŠ์ด ํŒŒ์•…ํ•˜๊ณ , ํ”„๋กœ์ ํŠธ๋ฅผ ํ†ตํ•˜์—ฌ ์„ธ ์ฐจ๋ก€์˜ ๊ฐœ๋ฐœ ์‚ฌ์ดํด์„ ์ง์ ‘ ์ด๋Œ๋ฉฐ ํ’€์Šคํƒ ๊ฐœ๋ฐœ์ž๋กœ์„œ ํƒ„ํƒ„ํ•œ ๊ธฐ๋ฐ˜์„ ๋‹ค์ ธ์™”์Šต๋‹ˆ๋‹ค. ์šด์˜์ฒด์ œ, ์ž๋ฃŒ๊ตฌ์กฐ ๋“ฑ ๊ธฐ๋ณธ์ ์ธ CS ์ง€์‹์„ ๋ฐ”ํƒ•์œผ๋กœ ๋ฉ”๋ชจ๋ฆฌ์™€ ๋ฐ์ดํ„ฐ์˜ ํ๋ฆ„, ์‹œ์Šคํ…œ ๋‚ด๋ถ€ ๊ตฌ์กฐ๋ฅผ ํŒŒ์•…ํ•˜๋ฉฐ ๊ฐœ๋ฐœํ•ฉ๋‹ˆ๋‹ค. ํŠนํžˆ 800์ผ ๋™์•ˆ 1800๊ฐœ ์ด์ƒ์˜ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๋ฉฐ(๋ฐฑ์ค€ ๋‹ค์ด์•„๋ชฌ๋“œ V) ์ตœ์ ํ™” ์—ญ๋Ÿ‰์„ ๊ธธ๋ €๊ณ , ์‹ค์ œ ๊ฒŒ์ž„ ํ”„๋กœ์ ํŠธ์—์„œ ์‹œ๊ฐ„๋ณต์žก๋„๋ฅผ O(N^2)์—์„œ O(N)์œผ๋กœ, ๋กœ๋”ฉ ์‹œ๊ฐ„์„ 20์ดˆ์—์„œ 3.6์ดˆ๋กœ ๊ฐœ์„ ํ•œ ๊ฒฝํ—˜์ด ์žˆ์Šต๋‹ˆ๋‹ค. ์—…๋ฌด์˜ ์•ŒํŒŒ๋ถ€ํ„ฐ ์˜ค๋ฉ”๊ฐ€๊นŒ์ง€ ์ดํ•ดํ•˜๊ณ  ์ฃผ์–ด์ง„ ๋ถ„์•ผ์˜ ์ตœ์ ํ™”์— ๊ธฐ์—ฌํ•˜๋Š” ๊ฐœ๋ฐœ์ž๊ฐ€ ๋˜๊ณ  ์‹ถ์Šต๋‹ˆ๋‹ค.

๐ŸŽ“ Education

  • ๊ฒฝํฌ๋Œ€ํ•™๊ต ์‘์šฉํ™”ํ•™๊ณผ ์ „๊ณต / ์ปดํ“จํ„ฐ๊ณตํ•™๊ณผ ๋ถ€์ „๊ณต ์กธ์—… (ํ•™์  3.30/4.3, 2018.03 - 2025.02)
  • ์‚ผ์„ฑ ์ฒญ๋…„ SWยทAI ์•„์นด๋ฐ๋ฏธ (SSAFY) 13๊ธฐ ๊ต์œก๊ณผ์ • ์ตœ์šฐ์ˆ˜ ์ˆ˜๋ฃŒ (์ƒ์œ„ 5%, 2025.01 - 2025.12)

๐Ÿ† Awards & Certifications

  • ์ˆ˜์ƒ ๋‚ด์—ญ:
    • SSAFY ๊ณตํ†ตํ”„๋กœ์ ํŠธ ์šฐ์ˆ˜์ƒ(1๋“ฑ)
    • SSAFY ํŠนํ™”ํ”„๋กœ์ ํŠธ ์šฐ์ˆ˜์ƒ(2๋“ฑ)
    • SSAFY ์ž์œจํ”„๋กœ์ ํŠธ ์šฐ์ˆ˜์ƒ(3๋“ฑ)
  • ๋ณด์œ  ์ž๊ฒฉ์ฆ: ์‚ผ์„ฑ SW ์—ญ๋Ÿ‰ํ…Œ์ŠคํŠธ Pro(Bํ˜•), ์ •๋ณด์ฒ˜๋ฆฌ๊ธฐ์‚ฌ (2025.06), SQLD (2025.04), ADsP (2025.06)
  • ์–ดํ•™ ๋Šฅ๋ ฅ: OPIc IM2 (2025.03.12)

๐Ÿš€ Projects

[ParaDICE] ๋กœ๊ทธ๋ผ์ดํฌ RPG ๊ฒŒ์ž„

  • ์„œ๋น„์Šค ๋งํฌ: ๐ŸŽฎSteam | ๐Ÿ“ฑPlay Store
  • ๊ธฐ๊ฐ„: 2026.01 - 2026.04
  • ํ”„๋กœ์ ํŠธ ์ธ์›: 2์ธ
  • ์—ญํ•  ๋ฐ ๊ธฐ์ˆ : ๊ฒŒ์ž„ ํด๋ผ์ด์–ธํŠธ ๊ฐœ๋ฐœ (๊ธฐ์—ฌ๋„ 40%) / Unity
  • ์ฃผ์š” ์„ฑ๊ณผ:
    • 3๊ฐ€์ง€ ์ข…๋ฅ˜์˜ ์•„์ดํ…œ ํ…œํ”Œ๋ฆฟํ™” ๋ฐ ์ธ๋ฒคํ† ๋ฆฌ ์™„์ „ํƒ์ƒ‰ ๋ฐฉ์‹์„ O(1) addressing์œผ๋กœ ๊ฐœ์„ 
    • AsyncOperation ๋น„๋™๊ธฐ ๋กœ๋”ฉ ๋ฐ Addressables ๋ฆฌ์†Œ์Šค ๊ทธ๋ฃนํ™”๋กœ ๋กœ๋”ฉ ์‹œ๊ฐ„ ์ตœ์ ํ™” (20์ดˆ โ†’ 3.6์ดˆ)
    • Headless ํ™˜๊ฒฝ ๊ตฌํ˜„์„ ํ†ตํ•œ ์ฆ‰๊ฐ์ ์ธ ๋ฐธ๋Ÿฐ์Šค ๊ฒฐ๊ณผ ํ™•์ธ ๋ฐ ํ”Œ๋ ˆ์ด ๋กœ๊ทธ ๊ธฐ๋ฐ˜ ๋‚œ์ด๋„ ์กฐ์ ˆ

[APILog] ์˜คํ”ˆ์†Œ์Šค ์‚ฌ์šฉ์ž ๋กœ๊ทธ ๋ถ„์„ ํ”„๋กœ๊ทธ๋žจ

  • ๋ ˆํฌ์ง€ํ† ๋ฆฌ: Github
  • ๊ธฐ๊ฐ„: 2025.10 - 2025.11
  • ํ”„๋กœ์ ํŠธ ์ธ์›: 6์ธ
  • ์—ญํ•  ๋ฐ ๊ธฐ์ˆ : ์ธํ”„๋ผ ๋ฐฐํฌ (๊ธฐ์—ฌ๋„ 40%), ํ’€์Šคํƒ (๊ธฐ์—ฌ๋„ 10%) / Github Actions, NGINX, Docker, Deck.gl
  • ์ฃผ์š” ์„ฑ๊ณผ:
    • Docker Compose, Nginx ๋ฆฌ๋ฒ„์Šค ํ”„๋ก์‹œ, Github Actions๋ฅผ ํ™œ์šฉํ•œ ์„œ๋น„์Šค ์ผ๊ด„ ์ž๋™ ๋ฐฐํฌ ํŒŒ์ดํ”„๋ผ์ธ ๊ตฌ์ถ•
    • Playwright ํฌ๋กค๋ง ๋ฐ Pillow Webp ๋ณ€ํ™˜์œผ๋กœ ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์ด๋ฏธ์ง€ ์šฉ๋Ÿ‰ 75% ๊ฐ์†Œ ์ตœ์ ํ™” (432KB โ†’ 110KB)
    • Deck.gl์„ ์ด์šฉํ•œ ํžˆํŠธ๋งต ์ƒ์„ฑ ๋ฐ ์ฟผ๋ฆฌ ์ตœ์ ํ™”(์บ์‹ฑ, GROUP BY)๋ฅผ ํ†ตํ•œ ์œ ์ € ๋ฐฉ๋ฌธ ๊ทธ๋ž˜ํ”„ ๊ตฌํ˜„

[See You Letter] ์Œ์„ฑ ๋…น์Œ ๊ธฐ๋ฐ˜ NFT ํŽธ์ง€ ์„œ๋น„์Šค (Android, Watch OS)

  • ๊ธฐ๊ฐ„: 2025.09 - 2025.09
  • ํ”„๋กœ์ ํŠธ ์ธ์›: 6์ธ
  • ์—ญํ•  ๋ฐ ๊ธฐ์ˆ : Backend ๊ฐœ๋ฐœ (๊ธฐ์—ฌ๋„ 20%) / Spring Boot, MySQL, IPFS, Firebase
  • ์ฃผ์š” ์„ฑ๊ณผ:
    • Firebase Token ID ๊ธฐ๋ฐ˜ OAuth2 ์ธ์ฆ ๋ฐ FCM ํ‘ธ์‹œ ์•Œ๋ฆผ ๊ตฌํ˜„
    • Entity Fetch join์œผ๋กœ JPA N+1 ๋ฌธ์ œ ํ•ด๊ฒฐ ๋ฐ IPFS(Pinata) ์—…๋กœ๋“œ์™€ AES-GCM ์•”ํ˜ธํ™” ์—ฐ๋™

[AI Contact] AI ์บ๋ฆญํ„ฐ์™€ ํ•จ๊ป˜ ์„ฑ์žฅํ•˜๋Š” ์ปคํ”Œ ํ”Œ๋žซํผ

  • ๊ธฐ๊ฐ„: 2025.07 - 2025.08
  • ํ”„๋กœ์ ํŠธ ์ธ์›: 6์ธ
  • ์—ญํ•  ๋ฐ ๊ธฐ์ˆ : Frontend, ํŒ€์žฅ (ํ”„๋ก ํŠธ์—”๋“œ ๊ธฐ์—ฌ๋„ 45%) / JavaScript, TypeScript, React
  • ์ฃผ์š” ์„ฑ๊ณผ:
    • API ์ƒํƒœ์— ๋”ฐ๋ฅธ ์ปคํ”Œ ์—ฐ๊ฒฐ ๋ฐ ์บ๋ฆญํ„ฐ ์ƒ์„ฑ ๋ถ„๊ธฐ ์ฒ˜๋ฆฌ ๊ตฌํ˜„
    • ๋‹ค์ˆ˜ ์ปดํฌ๋„ŒํŠธ์˜ ๋ ˆ์ด์•„์›ƒ ํ†ต์ผ์„ ์œ„ํ•ด ์œ ์—ฐํ•˜๊ฒŒ ๋™์ž‘ํ•˜๋Š” ๊ณตํ†ต ๋ชจ๋‹ฌ ์ปดํฌ๋„ŒํŠธ ์„ค๊ณ„

๐Ÿ“๊ธฐ์ˆ  ์Šคํƒ

ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์–ธ์–ด

ํ”„๋ก ํŠธ์—”๋“œ

๋ฐฑ์—”๋“œ & ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค & ์ธํ”„๋ผ

๊ด€๋ฆฌ ๋„๊ตฌ

๊ฒŒ์ž„์—”์ง„ & ๊ทธ๋ž˜ํ”ฝ

Problem Solving

Solved.ac ํ”„๋กœํ•„ mazandi profile

Pinned Loading

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