Node.js Backend Patterns
Architects and builds production-grade Node.js backend services, REST APIs, and microservices using Express, Fastify, and modern design patterns.
The Node.js Backend Patterns skill empowers developers to design, structure, and implement robust server-side applications using frameworks like Express and Fastify. It provides structured guidance on implementing essential backend patterns including custom error handling, middleware pipelines, authentication and authorization, database connection pooling, request validation with Zod, rate limiting, and graceful shutdowns. It is ideal for engineering scalable REST and GraphQL APIs, real-time WebSocket backends, and decoupled microservice architectures with production-level reliability.
Key Features
01Implements structured REST and GraphQL API architectures using Express or Fastify
02Provides robust middleware patterns for authentication, validation, and rate limiting
03Configures resilient database connection pooling and data layer integrations
04Sets up graceful process shutdown, health check endpoints, and security best practices
05Standardizes custom error handling classes and structured logging with Pino or Winston
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Use Cases
01Implementing production-ready authentication, request validation, and error-handling middleware
02Refactoring legacy Node.js backends to modern TypeScript patterns and clean architectures
03Building secure, scalable RESTful API services and microservices from scratch