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vigfoot/README.md

πŸ‘¨β€πŸ’» HyeonSeok Ko (VIGFOOT)

Backend & System Architect

κ³Όμž‰ μ—”μ§€λ‹ˆμ–΄λ§(Over-Engineering)을 κ²½κ³„ν•˜κ³  λΉ„μ¦ˆλ‹ˆμŠ€ μŠ€μΌ€μΌμ— κ°€μž₯ λΆ€ν•©ν•˜λŠ” **μ‹€μš©μ μΈ μ•„ν‚€ν…μ²˜(Pragmatic Architecture)**λ₯Ό μ§€ν–₯ν•˜λŠ” λ°±μ—”λ“œ μ—”μ§€λ‹ˆμ–΄μž…λ‹ˆλ‹€.

λ°μ΄ν„°μ˜ μ •ν•©μ„±(Data Integrity)κ³Ό μ‹€μ‹œκ°„ κ΄€μΈ‘μ„±(Observability)을 μ‹œμŠ€ν…œ μ„€κ³„μ˜ 핡심 μ›μΉ™μœΌλ‘œ μ‚ΌμœΌλ©°, 데이터 λ‘œλ”© 병λͺ© μ œμ–΄, λΆ„μ‚° ν™˜κ²½μ—μ„œμ˜ 비동기 처리 νŒŒμ΄ν”„λΌμΈ ꡬ좕, 그리고 순수 μ•Œκ³ λ¦¬μ¦˜ 기반의 μ„±λŠ₯ κ·ΉλŒ€ν™”μ— 강점이 μžˆμŠ΅λ‹ˆλ‹€.


πŸš€ Technical Core Values

  • Data Integrity & DB Optimization: REPEATABLE READ 격리 μˆ˜μ€€ ν•˜μ˜ λ²”μœ„ 잠금(Gap Lock) 병λͺ©μ„ λΆ„μ„ν•˜μ—¬ READ COMMITTED μ΅œμ ν™” 및 인덱슀 μ •λ°€ν™”λ₯Ό 톡해 λ°λ“œλ½ λ°œμƒλ₯  0% 달성 (TPS +200%).
  • Lightweight Asynchronous Architecture: 무거운 λΆ„μ‚° λ©”μ‹œμ§€ 브둜컀(Kafka λ“±) λ„μž… 없이, Spring λ‚΄λΆ€ μŠ€μΌ€μ€„λŸ¬ 기반의 인메λͺ¨λ¦¬ 배치 버퍼 νŒŒμ΄ν”„λΌμΈ μ„€κ³„λ‘œ 인프라 λΉ„μš© $0 μœ μ§€ 및 무쀑단 적재 μ™„μˆ˜.
  • High-Throughput Deduplication: AWS S3 비동기 적재 및 고유 Idempotency Key 검증 ν•„ν„° 섀계λ₯Ό 톡해 4,000+ λ™μ‹œμ„± νŠΈλž˜ν”½ ν•˜μ—μ„œμ˜ μ•ˆμ „ν•œ νŠΈλžœμž­μ…˜ 쀑볡 검증 μ™„λ£Œ.
  • Algorithm-Driven Performance: μ™ΈλΆ€ GIS 엔진에 μ˜μ‘΄ν•˜μ§€ μ•Šκ³ , Pure Java 기반의 κ²½λŸ‰ Ray-Casting μ•Œκ³ λ¦¬μ¦˜μ„ κ΅¬ν˜„ν•˜μ—¬ μ‹€μ‹œκ°„ μ§€μ˜€νŽœμ‹±(Geofencing) μ§„μž… 검증을 sub-millisecond λ‹¨μœ„λ‘œ 가속화.
  • AI-Augmented (Harness Engineering): LLM(Gemini, Claude)의 μΆ”λ‘  μ—”μ§„ λ„μž… μ‹œ, μ‹œμŠ€ν…œ μ•ˆμ •μ„±μ„ μ§€ν‚€κΈ° μœ„ν•΄ AI의 결과물을 ν†΅μ œ 및 검증 μ˜μ—­ 내에 κ°€λ‘λŠ” ν•˜λ„€μŠ€(Harness) μ•„ν‚€ν…μ²˜ ꡬ좕.

πŸ›  Tech Stack

Category Skills
Backend Java 17, Spring Boot 3.x, Spring Web / MVC, JPA / Hibernate, MyBatis
Database & Cache MySQL, MariaDB, Redis
Infra & DevOps Linux (Ubuntu/CentOS), AWS (EC2, S3), Docker, Nginx, Cloudflare Tunnel, Git / GitHub

πŸ”— Contact & Links

Pinned Loading

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    simple and efficient Java logging library

    Java 1

  2. Convert-Type Convert-Type Public

    Hybrid Type Conversion Library [Java Reflection | Jackson] for seamless object mapping

    Java

  3. jasypt jasypt Public

    Online Jasypt Encryption & Decryption Tool for Spring Boot Developers

    JavaScript