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  • Hongik Univ.
  • Seongnam, Republic of Korea

Achievements

Achievement: Pull Sharkx2Achievement: YOLOAchievement: Pair ExtraordinaireAchievement: Quickdraw

Achievements

Achievement: Pull Sharkx2Achievement: YOLOAchievement: Pair ExtraordinaireAchievement: Quickdraw

Organizations

@PathKeeper-org

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taeik21/README.md

๐Ÿ› ๏ธ Tech Stack

Category Stack
Backend Java Spring Boot Spring Data JPA QueryDSL Python FastAPI
Frontend HTML5 CSS3 JavaScript React Next.js Tailwind CSS TypeScript
Database & Cache PostgreSQL MySQL OpenSearch Redis
Messaging Kafka
Infra & DevOps AWS Docker Nginx GitHub Actions
Monitoring Prometheus Grafana Loki Alloy

๐Ÿ‘ค Profile

  • ํ™์ต๋Œ€ํ•™๊ต ์ปดํ“จํ„ฐ๊ณตํ•™๊ณผ (2021.03 ~ )
  • ์‹ ์ดŒ ์—ฐํ•ฉ IT ์ฐฝ์—…๋™์•„๋ฆฌ CEOS - 23๊ธฐ BE (2026.03 ~ 2026.08)

๐Ÿš€ Featured Projects

  • IPX : ํŠนํ—ˆ ๋“ฑ๋ก ์ง€์› ํ”Œ๋žซํผ (2026.04 ~ 2026.08)
    • Hybrid Search: BGE-M3 + pgvector ๊ธฐ๋ฐ˜์˜ ๋ฒกํ„ฐ ๊ฒ€์ƒ‰๊ณผ OpenSearch ๊ธฐ๋ฐ˜์˜ ํ‚ค์›Œ๋“œ ๊ฒ€์ƒ‰์„ ๊ฒฐํ•ฉํ•˜์—ฌ ๊ฒ€์ƒ‰ ์ •ํ™•๋„ ํ–ฅ์ƒ
    • RRF(Reciprocal Rank Fusion) ์•Œ๊ณ ๋ฆฌ์ฆ˜: ์„œ๋กœ ๋‹ค๋ฅธ ๊ฒ€์ƒ‰ ์—”์ง„์˜ ์ถœ๋ ฅ ์ˆœ์œ„๋ฅผ ํ†ตํ•ฉํ•˜์—ฌ Top-K ๊ฒ€์ƒ‰ ์žฌํ˜„์œจ ์ตœ์ ํ™”
    • LLM ์—ฐ๋™: Claude API๋ฅผ ํ†ตํ•ด ์‚ฌ์šฉ์ž ์ฟผ๋ฆฌ ๊ตฌ์กฐํ™”, HyDE(๊ฐ€์ƒ ๋ฌธ์„œ ์ž„๋ฒ ๋”ฉ) ์ƒ์„ฑ ๋ฐ ํŠนํ—ˆ ๋ถ„์„ ์ž๋™ํ™” ํ”„๋กœ์„ธ์Šค ๊ตฌํ˜„
    • ๋น„๋™๊ธฐ ์ƒํƒœ ์ถ”์ : Redis ๊ธฐ๋ฐ˜ ๋น„๋™๊ธฐ ์ž‘์—… ์ถ”์  ์‹œ์Šคํ…œ์„ ๊ตฌ์ถ•ํ•˜์—ฌ ํ”„๋ก ํŠธ์—”๋“œ ์‹ค์‹œ๊ฐ„ ํด๋ง ํ™˜๊ฒฝ ๊ตฌํ˜„
  • PathKeeper : ์‹ค์‹œ๊ฐ„ ์œ„์น˜ ์ถ”์  ํ”Œ๋žซํผ (2026.03 ~ )
    • ๋ถ„์‚ฐ ์•„ํ‚คํ…์ฒ˜: ๋Œ€์šฉ๋Ÿ‰ ํŠธ๋ž˜ํ”ฝ ๋Œ€๋น„ ๋ฐ ์„œ๋น„์Šค ๊ฐ„ ์žฅ์•  ๊ฒฉ๋ฆฌ๋ฅผ ๋‹ฌ์„ฑํ•˜๊ณ  ๊ณ ๊ฐ€์šฉ์„ฑ ์ˆ˜์‹  ํ™˜๊ฒฝ ๊ตฌ์ถ•
    • Kafka: ์œ„์น˜ ์ด๋ฒคํŠธ๋ฅผ ๋น„๋™๊ธฐ๋กœ ์ˆ˜์‹ ํ•˜์—ฌ ์‘๋‹ต์„ฑ ํ™•๋ณด ๋ฐ userId ๊ธฐ๋ฐ˜ ํŒŒํ‹ฐ์…”๋‹์œผ๋กœ ๋ฐ์ดํ„ฐ ์ˆœ์„œ ๋ณด์žฅ ๋ฐ ์ˆ˜ํ‰ ํ™•์žฅ์„ฑ ํ™•๋ณด
    • ๋‹ค๋‹จ๊ณ„ ํ•„ํ„ฐ๋ง: 3๋‹จ๊ณ„ ํ•„ํ„ฐ๋ง(Redis Bounding Box ์บ์‹œ โ†’ ๋‹จ์ถ• ํ‰๊ฐ€ โ†’ PostGIS)์„ ํ†ตํ•ด ๊ณต๊ฐ„ DB ์กฐํšŒ ์ž‘์—… ์ตœ์†Œํ™”
    • GPS ๋…ธ์ด์ฆˆ ์ฐจ๋‹จ: Hysteresis ์ƒํƒœ ๋จธ์‹ ์„ ๋ชจ๋ธ๋งํ•˜์—ฌ GPS ๊ฒฝ๊ณ„ ์˜์—ญ ์˜ค์ฐจ ๋ฐ ์ง„๋™์œผ๋กœ ์ธํ•œ ๋ฌด์ฐจ๋ณ„ ์•Œ๋ฆผ ์ฐจ๋‹จ
    • ๋ชจ๋‹ˆํ„ฐ๋ง: PLG + Alloy ๋ชจ๋‹ˆํ„ฐ๋ง ์Šคํƒ์„ ํ†ตํ•ด peak Load Average๋ฅผ ๊ด€์ฐฐํ•˜๊ณ , CPU ์ž์› ํ•œ๊ณ„๋กœ ์ธํ•ด p99 ์ง€์—ฐ์ด ๋ฐœ์ƒํ•จ์„ ์ง„๋‹จ
  • ์˜ํ™” ์˜ˆ๋งค ์„œ๋น„์Šค : (2026.03 ~ 2026.05)
    • Redis ๋ถ„์‚ฐ ๋ฝ: ๋™์‹œ ์˜ˆ๋งค ํ™˜๊ฒฝ์—์„œ์˜ Race Condition ํ•ด๊ฒฐ
    • Caching: Redis Look-Aside ์บ์‹ฑ์„ ๊ตฌํ˜„ํ•˜์—ฌ DB ๋ถ€ํ•˜ ์™„ํ™” ๋ฐ ์„œ๋น„์Šค ๊ณ ๊ฐ€์šฉ์„ฑ ํ™•๋ณด
    • RestClient๋ฅผ ํ†ตํ•œ ๊ฒฐ์ œ ์„œ๋ฒ„ ์—ฐ๋™: Http ํด๋ผ์ด์–ธํŠธ๋ฅผ ํ†ตํ•œ ์™ธ๋ถ€ ๊ฒฐ์ œ ์„œ๋ฒ„ ์—ฐ๋™
    • ์ปค๋„ฅ์…˜ ํ’€ ์ตœ์ ํ™”: PLG + Alloy ์Šคํƒ์„ ํ†ตํ•ด DB ์ปค๋„ฅ์…˜ ํ’€ ๊ณ ๊ฐˆ ์ง€์ ์„ ํŒŒ์•…ํ•˜๊ณ , ์ปค๋„ฅ์…˜ ํ’€ ์žฌ์„ค์ • ํ†ตํ•ด Latency spike ํ•ด๊ฒฐ
  • ํˆฌํ‘œ ์„œ๋น„์Šค : (2026.06 ~ 2026.07)
    • JWT ๋กœ๊ทธ์ธ: Access/Refresh Token์„ ๋„์ž…ํ•˜๊ณ  RTR๊ณผ Silent Refresh๋ฅผ ์ ์šฉํ•ด ํ† ํฐ ํƒˆ์ทจ ์œ„ํ—˜์„ ๋‚ฎ์ถ”๊ณ  ์žฌ๋กœ๊ทธ์ธ ์—†๋Š” ์‚ฌ์šฉ์ž ๊ฒฝํ—˜ ์ œ๊ณต
    • CI/CD: CI, CD๋ฅผ ๋ถ„๋ฆฌ ์„ค๊ณ„ํ•˜์—ฌ ๊ฒ€์ฆ๊ณผ ๋ฐฐํฌ ์ž๋™ํ™” ๊ณผ์ •์„ ๋…๋ฆฝ์ ์œผ๋กœ ์šด์˜ ๋ฐ SHA ํƒœ๊น…์œผ๋กœ ๋กค๋ฐฑ ๊ฐ€๋Šฅ์„ฑ ํ™•๋ณด

Pinned Loading

  1. spring-cgv-23rd spring-cgv-23rd Public

    Forked from CEOS-Developers/spring-cgv-23rd

    CEOS 23๊ธฐ ๋ฐฑ์—”๋“œ ์Šคํ„ฐ๋”” - CGV ํด๋ก  ์ฝ”๋”ฉ ํ”„๋กœ์ ํŠธ

  2. CEOS-IPX/IPX-AI CEOS-IPX/IPX-AI Public

    IPX AI(Python) server repo

    Python

  3. PathKeeper-org/PathKeeper-Spring PathKeeper-org/PathKeeper-Spring Public

    Java

  4. CEOS-IPX/next-vote-23rd-BE CEOS-IPX/next-vote-23rd-BE Public

    Java