Module 1: Introduction to Backend Development & Node.js

• What is Backend Development?
• Client-Server Architecture
• Introduction to Node.js
• Installing Node.js & NPM
• Node.js Runtime Environment
• REPL and Command Line
• Package Management with NPM
• Creating First Node.js Application

Module 2: Core Node.js Fundamentals

• Modules and CommonJS
• Built-in Modules (FS, Path, OS, HTTP)
• File System Operations
• Event Loop Architecture
• Streams and Buffers
• Event Emitter
• Working with JSON Data
• Error Handling

Module 3: Asynchronous Programming

• Callbacks
• Callback Hell
• Promises
• Promise Chaining
• Async/Await
• Handling Async Errors
• Practical Examples

Module 4: Express.js Framework

• Introduction to Express.js
• Setting Up Express Server
• Routing
• Route Parameters
• Query Parameters
• Middleware
• Custom Middleware
• Error Handling Middleware
• Environment Variables (.env)

Module 5: REST API Development

• REST API Concepts
• HTTP Methods (GET, POST, PUT, DELETE)
• CRUD Operations
• API Design Best Practices
• Request Validation
• Response Formatting
• Testing APIs with Postman
• API Documentation

Module 6: MongoDB Fundamentals

• Introduction to NoSQL Databases
• MongoDB Installation
• MongoDB Compass
• Collections & Documents
• CRUD Operations
• Query Operators
• Aggregation Framework
• Indexing
• Data Modeling

Module 7: MongoDB with Mongoose

• Introduction to Mongoose
• Creating Schemas
• Models
• Data Validation
• Middleware (Hooks)
• Population
• Virtual Fields
• Pagination
• Advanced Queries

Module 8: MySQL Fundamentals

• Introduction to SQL Databases
• MySQL Installation
• Database Design
• Creating Databases
• Tables & Relationships
• Primary & Foreign Keys
• SQL Queries
• Joins
• Views
• Stored Procedures

Module 9: Node.js with MySQL

• Connecting MySQL with Node.js
• MySQL2 Package
• CRUD Operations
• Prepared Statements
• Transactions
• Connection Pooling
• Query Optimization
• Error Handling

Module 10: Authentication & Authorization

• User Registration System
• Login System
• Password Hashing (bcrypt)
• JWT Authentication
• Token Verification
• Refresh Tokens
• Role-Based Access Control (RBAC)
• Protected Routes

Module 11: Security Best Practices

• Authentication Security
• API Security
• CORS Configuration
• Helmet.js
• Rate Limiting
• Data Sanitization
• Preventing SQL Injection
• Preventing NoSQL Injection

Module 12: File Upload & Email Services

• Multer Middleware
• Single & Multiple File Upload
• Image Validation
• Cloud Storage Basics
• Nodemailer
• Email Verification
• Forgot Password Flow
• OTP Verification System

Module 13: Real-Time Applications

• Introduction to Socket.io
• WebSocket Concepts
• Real-Time Chat Application
• Live Notifications
• User Presence System
• Broadcasting Events

Module 14: Deployment & Production

• Git & GitHub
• Version Control Workflow
• Environment Configuration
• MongoDB Atlas
• Hosting Node.js Applications
• VPS Deployment
• PM2 Process Manager
• Production Best Practices

Hands-On Projects

Project 1: Student Management API

• CRUD Operations
• Express Routing
• Validation

Project 2: Employee Management System

• MongoDB Integration
• REST APIs

Project 3: Blog Management API

• Authentication
• Mongoose Models

Project 4: Inventory Management System

• MySQL Database Design
• CRUD Operations

Project 5: E-Commerce Backend

• Products
• Orders
• Cart
• Authentication

Project 6: Real-Time Chat Application

• Socket.io
• User Authentication

Project 7: Learning Management System (LMS)

• Courses
• Students
• Progress Tracking

Project 8: Job Portal API

• User Management
• Job Listings
• Applications