Backend Development: A Comprehensive Guide Backend development is the backbone of web applications, handling server-side logic, databases, authentication, and APIs. It ensures that the frontend functions smoothly by processing user requests, managing data, and maintaining security. In this guide, we’ll cover: What is Backend Development? Key Technologies and Tools How Backend Works (with Code Examples) Building a Simple Backend with Node.js and Express Database Integration (MongoDB Example) Authentication Implementation (JWT Example) Let’s dive in! What is Backend Development? Backend development focuses on server-side operations that power websites and applications. It involves: Server Management : Handling client requests and processing data. Database Management : Storing and retrieving information. APIs : Enabling communication between frontend and backend. Security : Ensuring safe authentication and authorization. Frontend vs. Backend Aspect Frontend Backend Languages HTML, C...