backend-patterns

Design backend architectures with TypeScript patterns for Node.js APIs.

1|Updated Mar 23, 2026

Search Tags:#architecture #caching #nodejs #express #api-design #backend-patterns

Ready to run

npx skills add https://github.com/sbalagan22/bloomr --skill backend-patterns-sbalagan22

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: backend-patterns
Source: https://github.com/sbalagan22/bloomr/tree/main/.claude/skills/backend-patterns
Command: npx skills add https://github.com/sbalagan22/bloomr --skill backend-patterns-sbalagan22

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Backend systems often become hard to maintain as they scale, with tangled data access, business logic, and infrastructure concerns.

Core Features & Use Cases

Pattern-driven API design (REST/GraphQL), repository-service-controller layering, and middleware for clean, testable code.
Caching, error handling, authentication/authorization, rate limiting, and background jobs for reliable, scalable servers.
Real-world use cases include building a maintainable API with Node.js/Express and Next.js API routes, with clear separation of concerns and testability.

Quick Start

Create a minimal Express API that uses repository, service, and middleware patterns to demonstrate clean architecture.

Frequently Asked Questions about backend-patterns

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I structure a Node.js Express API with clean separation of concerns?▼

Separate data access, business logic, and routes using the repository-service-controller pattern. This backend architecture structure ensures clean separation of concerns and testable code in your Node.js Express API.

What are the best backend patterns for scalable API design?▼

Pattern-driven API design for RESTful and GraphQL endpoints provides the best foundation for scalable servers. Applying reusable patterns for caching, error handling, and rate limiting ensures your backend architecture remains robust and maintainable under increased load.

Can I use these backend patterns with Next.js API routes?▼

Yes, you can apply these backend patterns to Next.js API routes. The reusable patterns for data access, authentication, and server-side concerns work across Node.js environments, allowing you to build maintainable APIs with clear structure in both Express and Next.js.

How do I implement caching and rate limiting in a Node.js backend?▼

Implement caching and rate limiting in a Node.js backend by applying dedicated middleware patterns. These server-side concerns are handled through reusable architectural layers, providing reliable traffic control and data retrieval without tangling core business logic.

Why does my backend architecture become hard to maintain as it scales?▼

Backend architecture becomes hard to maintain because data access, business logic, and infrastructure concerns become tangled. Adopting clear separation of concerns through repository-service-controller layering and middleware patterns solves this by enforcing testable, repeatable structures.