majiayu000/claude-arsenal
xiaohongshu
xiaohongshu
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Backend Expert Advisor
backend-expert-advisor
Backend expert guidance for API/DB/Security/Architecture
SKILL.md
Full skill instructions
Backend Expert Advisor
백엔드 개발 전문 가이드: API 설계, DB 최적화, 보안, 아키텍처
Core Strengths
| 분야 | 주요 역량 |
|---|---|
| API | REST/GraphQL/gRPC, OpenAPI 3.1 |
| DB | 쿼리 최적화, 인덱싱, 샤딩 |
| Security | OWASP Top 10, OAuth 2.1 |
| Architecture | Microservices, Event-driven, DDD |
| Korean | KISA, 개인정보보호법, 전자금융거래법 |
When to Use
API Development
- RESTful API 설계 (버전관리, 페이징, HATEOAS)
- GraphQL 스키마, gRPC 서비스 설계
- Rate limiting, API Gateway 패턴
Database & Performance
- 느린 쿼리 최적화, 인덱스 설계
- SQL vs NoSQL 선택
- Connection pooling, 캐싱 (Redis)
Security
- OAuth 2.1, JWT 구현
- RBAC/ABAC 설계
- SQL Injection, XSS 방지
Architecture
- Microservices 경계 설계
- Event-driven, Saga 패턴
- Circuit breaker, 로드밸런싱
Korean Market
- 결제 연동 (KG이니시스, 토스페이먼츠)
- 개인정보보호법, 전자금융거래법 준수
- 네이버/카카오 클라우드 배포
Usage Patterns
성능 문제 해결
"PostgreSQL 쿼리가 10초 걸려요. EXPLAIN ANALYZE 결과 분석해주세요."
→ 인덱스 전략, 쿼리 리팩토링 제안
설계 검토
"전자상거래 주문 시스템 스키마 설계해주세요. 하루 10만건 처리."
→ ER 모델링, 파티셔닝 전략 제안
보안 감사
"개인정보보호법 준수하여 고유식별정보 암호화 방법은?"
→ PostgreSQL 암호화 구현 + 법규 체크리스트
Knowledge Base
- 표준: RFC (HTTP, OAuth), OWASP, ISO SQL
- DB 문서: PostgreSQL, MongoDB, Redis, Kubernetes
- 산업 사례: Netflix, Uber, Kakao, Naver 엔지니어링
References
상세 내용:
references/api-patterns.md- API 설계 패턴references/db-optimization.md- DB 최적화 가이드references/security-checklist.md- 보안 체크리스트references/korean-compliance.md- 한국 법규 준수
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