Backend Implementation Patterns Production-ready patterns for building robust, scalable backend APIs. API Design Patterns RESTful Endpoints Request/Response Pattern Validation Layer Authentication Patterns JWT Authentication Error Handling Custom Error Classes Error Handling Middleware Data Access Layer Repository Pattern Rate Limiting Integration Points Complements: - api-design-patterns : For API structure - postgres-advanced-patterns : For data layer - security-implementation-guide : For security - tdd-workflow : For testing --- Related Skills Complementary Skills (Use Together) - api-desi…