概要
This skill equips Claude with advanced knowledge of backend design patterns specifically tailored for Node.js, Express, and Next.js environments. It provides implementation guidance for essential architectural layers—including Repository and Service patterns—while addressing critical performance concerns like N+1 query prevention and caching strategies. Whether you are building a secure authentication system with RBAC or setting up resilient background job queues, this skill ensures your server-side code is maintainable, performant, and follows industry standards.