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@dong99u
dong99u
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Park Dongkyu dong99u

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dong99u /README.md

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πŸš€ "쒋은 μ½”λ“œλŠ” 쒋은 λ¬Έν™”μ—μ„œ λ‚˜μ˜¨λ‹€"

μ‚¬μš©μž 쀑심 κΈ°μˆ μ„ μ‹€ν˜„ν•˜λŠ” λ°±μ—”λ“œ 개발자

GitHub Portfolio LinkedIn Email

πŸ† Achievements

Google Solution Challenge Algorithm Contest Performance

πŸ› οΈ Backend & Cloud Infrastructure

Core Backend Technologies

Java Kotlin Spring Boot Spring Security JPA QueryDSL

Cloud & DevOps (AWS Certified)

AWS EC2 ECS S3 RDS Docker Kubernetes

Databases & Caching

MySQL MongoDB Redis ElastiCache

AI & Machine Learning Integration

OpenAI TensorFlow FastAPI

🌐 Frontend & Mobile

Flutter Dart React JavaScript

πŸš€ Featured Projects

πŸ… Momento - AI 기반 κ°€μ‘± μ†Œν†΅ ν”Œλž«νΌ

99.985% μ„±λŠ₯ κ°œμ„  달성 (60초 β†’ 9ms)

  • Tech Stack: Spring Boot 3.5.3, Kotlin, OpenAI GPT-4, Redis, MySQL, AWS EC2
  • Architecture: 3-Tier 캐싱 μ „λž΅ (Redis Cache β†’ Background Pool β†’ AI Generation)
  • Features: OpenAI Assistant 기반 κ°œμΈν™” 질문 생성, OAuth2 + JWT 인증

πŸ† NUGGET - μ‹œκ°μž₯애인 보행보쑰 μ•±

Google Solution Challenge 2024 Global Top 100

  • Tech Stack: Flutter, TensorFlow Lite, Google Maps API
  • Optimization: λͺ¨λΈ 크기 70% κ°μ†Œ, μΆ”λ‘  속도 3λ°° ν–₯상, 배터리 μ†Œλͺ¨ 40% κ°μ†Œ
  • Impact: μ‹œκ°μž₯μ• μΈμ˜ μ•ˆμ „ν•œ 보행을 μœ„ν•œ AI 기반 μ‹€μ‹œκ°„ μž₯μ• λ¬Ό 탐지

⚑ LOVE KEEPER - λ§ˆμ΄ν¬λ‘œμ„œλΉ„μŠ€ μ»€ν”Œ μ•±

AWS ECS Fargate 기반 λ§ˆμ΄ν¬λ‘œμ„œλΉ„μŠ€ μ•„ν‚€ν…μ²˜

  • Tech Stack: Spring Boot, Flutter, AWS ECS, Redis, VPC, ALB
  • Architecture: Multi-AZ 배포, Auto Scaling, Load Balancing
  • Role: λ°±μ—”λ“œ + iOS 개발 100% κΈ°μ—¬ (77개 컀밋)

🎯 Core Competencies

  • πŸ—οΈ Microservices Architecture: ECS, Kubernetes 기반 μ»¨ν…Œμ΄λ„ˆ μ˜€μΌ€μŠ€νŠΈλ ˆμ΄μ…˜
  • ⚑ Performance Optimization: 3-Tier 캐싱, N+1 문제 ν•΄κ²°, Redis λΆ„μ‚° 락
  • πŸ” Security: OAuth2, JWT, Spring Security, AWS VPC λ³΄μ•ˆ 섀계
  • πŸ€– AI Integration: OpenAI GPT-4 Assistant, TensorFlow Lite λͺ¨λΈ μ΅œμ ν™”
  • ☁️ Cloud Native: GitOps CI/CD, Multi-AZ κ³ κ°€μš©μ„±, Auto Scaling

πŸŽ“ Education & Activities

HUFS UMC GDSC

πŸ“Š GitHub Stats

πŸ”₯ Activity

GitHub Activity Graph

πŸ’Ό Open to Backend Development Opportunities

Specializing in Spring Boot, AWS Cloud Architecture, and AI Integration

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