# Nodejs Backend Patterns

> Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices. Use when...

- Skill: `rootcastleco/nodejs-backend-patterns` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds add rootcastleco/nodejs-backend-patterns`
- Raw SKILL.md: https://api.skillmd.com/api/skills/rootcastleco/nodejs-backend-patterns/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Integrations & APIs
- Author: rootcastleco (https://skillmd.com/u/rootcastleco)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/rootcastleco/nodejs-backend-patterns

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# Node.js Backend Patterns

Comprehensive guidance for building scalable, maintainable, and production-ready Node.js backend applications with modern frameworks, architectural patterns, and best practices.

## Use this skill when

- Building REST APIs or GraphQL servers
- Creating microservices with Node.js
- Implementing authentication and authorization
- Designing scalable backend architectures
- Setting up middleware and error handling
- Integrating databases (SQL and NoSQL)
- Building real-time applications with WebSockets
- Implementing background job processing

## Do not use this skill when

- The task is unrelated to node.js backend patterns
- You need a different domain or tool outside this scope

## Instructions

- Clarify goals, constraints, and required inputs.
- Apply relevant best practices and validate outcomes.
- Provide actionable steps and verification.
- If detailed examples are required, open `resources/implementation-playbook.md`.

## Resources

- `resources/implementation-playbook.md` for detailed patterns and examples.

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> 🏰 **Rei Skills** — Curated by [Rootcastle Engineering & Innovation](https://www.rootcastle.com) | Batuhan Ayrıbaş  
> Engineering Beyond Boundaries | admin@rootcastle.com