소개
This skill equips Claude with a comprehensive library of backend development patterns, ranging from RESTful API design and repository-service layers to advanced database optimizations and security implementations. It ensures that server-side code remains modular, testable, and performant by providing ready-to-use templates for common challenges like N+1 query prevention, JWT authentication, Redis caching, and structured logging. Whether you are building a new API from scratch or refactoring a legacy codebase, this skill provides the architectural guidance needed to maintain high engineering standards in Node.js, Express, and Next.js environments.