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© 2026 YOLOX SYSTEM. ALL RIGHTS RESERVED.
© 2026 YOLOX SYSTEM. ALL RIGHTS RESERVED.
Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, and architectural best practices.
Building REST APIs or GraphQL servers
Creating microservices with Node.js
Designing scalable backend architectures
Implementing authentication and database integration
Share select framework: Choose between Express (minimalist) or Fastify (high performance)
Share setup architecture: Define layered structure (controllers, services, repositories)
Share implement middleware: Add security (helmet, cors), logging (pino), and validation (zod)
Share define error handling: Create custom error classes and a global error handler
Share integrate database: Set up connection pooling for PostgreSQL or Mongoose for MongoDB
You
Create a new user registration API with email validation and password hashing.
Agent
The agent designs a layered API endpoint with Zod validation, a service for business logic, and a repository for database interaction.
Gives your agent the ability to write comprehensive unit, integration, and API tests for backend systems using Jest, Pytest, or Mocha.
Gives your agent the ability to implement proven backend architecture patterns like Clean Architecture, Hexagonal Architecture, and Domain-Driven Design (DDD).
Gives your agent the ability to build reusable React components following modern patterns like composition and compound components.
Gives your agent the ability to implement robust error handling patterns across multiple languages to build resilient and fault-tolerant applications.
Gives your agent the ability to build, debug, and maintain reliable end-to-end test suites using Playwright and Cypress best practices.
© 2026 YOLOX SYSTEM. ALL RIGHTS RESERVED.
