Node.js

Backend Development
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Overview

Node.js is a JavaScript runtime built on Chrome's V8 engine. It enables building fast, scalable server-side applications using JavaScript.

Why Node.js?

  • JavaScript Everywhere: Use JavaScript for frontend and backend.
  • Non-Blocking I/O: Handle many concurrent connections.
  • NPM Ecosystem: Millions of packages available.
  • Event-Driven: Build scalable applications.
  • Fast Execution: V8 engine provides high performance.

Key Features

Asynchronous

Non-blocking async/await pattern.

Streams

Handle large data efficiently.

Modules

Modular code organization.

Clusters

Multi-process clustering.

File System

Built-in file operations.

Networking

Built-in HTTP and networking.

Use Cases & Applications

Node.js is used for:

  • RESTful APIs
  • Real-time applications
  • Streaming services
  • IoT applications
  • Microservices
  • Command-line tools
  • Build tools
  • Single page app backends

My Expertise

Experience Level
75% — Intermediate-Advanced — 4+ years experience

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