Back-End Development Training

Module 1: Backend Development Fundamentals, System Architecture & Modern JavaScript Mastery

• Understanding Backend Development: Differences Between Frontend and Backend Roles

• Core Backend Components: Servers, Databases, and APIs Explained Using Real-World Examples

• HTTP Methods (GET, POST, PUT, DELETE) with Practical Demonstrations; Overview of Common Backend Tools and Technologies

• Analyzing Popular Websites to Identify Their Backend Components

• Review of Variables, Functions, and Objects; Introduction to ES6+ Features (Destructuring, Spread/Rest Operators, Template Literals, Arrow Functions)

• Working with Arrays and Array Methods (map, filter, forEach, reduce); Implementing Try/Catch for Error Handling

• Understanding Closures, Scope, and the this Keyword

• Hands-On Data Manipulation Exercises Using Array Methods and Error Handling

Module 2: Asynchronous Programming & API Integration

• Understanding Callbacks and Their Purpose: Synchronous vs Asynchronous Code

• Promises: Creation, Usage, Chaining, and Error Handling

• Async/Await: Writing Clean Asynchronous Code and Best Practices

• Practical Exercises: Reading Files and Making API Calls with fetch

Module 1: Node.js Runtime, Server Creation, and Express.js Framework

• Node.js Fundamentals: Understanding the Node.js runtime, event loop, and built-in modules

• NPM Ecosystem: Managing dependencies, understanding package.json, and working with the NPM environment

• Creating an HTTP Server: Building a basic HTTP server using native Node.js modules

• Building a File Server: Developing a simple file server with Node.js

• Express.js Setup: Installing Express and understanding the concept of middleware

• Routing and HTTP Methods: Implementing routes for GET, POST, PUT, and DELETE requests

• Request and Response Handling: Working with request/response objects, URL parameters, and query strings

• Hands-On Project: Creating a basic CRUD API for a to-do list

Module 2: Template Engines and Dynamic Web Applications

• Overview of Template Engines: Comparing EJS and Pug for server-side rendering

• Serving Static Files: Configuring public directories for static assets (CSS, images, client-side JavaScript)

• Form Handling and Body Parsing: Processing form submissions and parsing request bodies

• Hands-On Project: Building a simple web interface with EJS templates

Module 1: MongoDB Database Design, Mongoose ODM, and Secure Authentication with JWT & bcrypt

• MongoDB Basics: Understanding document structure and NoSQL concepts

• Mongoose ODM: Defining schemas and models for structured data interaction

• Database Connections: Establishing and managing connections to MongoDB; performing basic CRUD operations

• Blog Post Model: Setting up a model for blog posts with basic operations

• Password Security: Hashing user passwords using bcrypt

• JWT Tokens: Generating and verifying JSON Web Tokens for authentication

• Session vs Token-Based Authentication: Comparing the two approaches and their use cases

• User Authentication Flow: Implementing user registration and login functionality

Module 2: Authorization Middleware and Role-Based Access Control

• Authentication vs Authorization: Understanding the difference and when to apply each concept

• Authentication Practice: Implementing login and registration workflows

• Authorization Practice: Applying role-based access control and protecting specific routes

• Protecting Blog Routes: Adding authentication middleware to blog routes with varying authorization levels

Module 1: Advanced Database Operations, Performance Optimization & API Documentation

• Mongoose Relationships: Implementing references (refs) and using populate to manage related data

• Pagination and Sorting: Organizing query results for better performance and usability

• Database Indexing: Understanding the basics of indexes to speed up queries

• User-Post Relationships: Connecting users to their respective blog posts

• API Testing with Postman: Using Postman to test and validate API endpoints

• Writing API Documentation: Creating clear, structured documentation for all endpoints

• Comprehensive Testing: Documenting and testing every blog API endpoint

Module 2: Project Completion & Code Review

• Code Review and Refactoring: Analyzing and improving code quality

• Adding Final Features: Implementing search and filter functionality

• Project Presentation and Peer Review: Showcasing the project and receiving feedback

• Final Deliverable: A fully functional Personal Blog API with authentication

Module 1: API Security – Rate Limiting, Redis Caching & Advanced Data Validation

• Rate Limiting: Understanding its importance and implementation techniques

• Basic Caching Strategies: Using in-memory caching with node-cache

• Introduction to Redis: Leveraging Redis for advanced caching and session management

• Enhancing Existing APIs: Adding rate limiting and caching to current endpoints

• Advanced Input Validation: Using Joi to create complex schemas and custom validators

• Data Sanitization & Transformation: Cleaning and modifying data before database operations

• Batch Processing: Handling bulk operations efficiently

• Comprehensive Pipelines: Implementing full validation and data processing workflows

Module 2: File Upload Systems & External API Integration

• Handling File Uploads: Using Multer for multipart form data

• Image Processing & Storage: Managing image uploads and implementing storage solutions

• Consuming External APIs: Integrating third-party APIs into your application

• Hands-On Feature: Adding profile picture upload functionality to the user system

Module 1: E-commerce Database Architecture, Complex Relationships & Advanced Product Management

• Database Schema Design: Structuring schemas for products, categories, and users

• Inventory Management Concepts: Understanding stock tracking and product availability

• Order and Payment Modeling: Designing data models for orders and payment transactions

• Building E-commerce Models: Creating comprehensive database models for the entire system

• Product & Category CRUD: Implementing create, read, update, and delete operations for products and categories

• Search and Filtering: Adding functionality to search and filter products efficiently

• Product Variants & Attributes: Managing variations such as size, color, or other product attributes

• Product Management Endpoints: Developing complete API endpoints for product management

Module 2: Shopping Cart Logic & Order Processing Workflows

• Shopping Cart Implementation: Building functionality to add, remove, and update cart items

• Order Processing Workflow: Managing the lifecycle of an order from creation to completion

• Inventory Tracking & Updates: Automatically updating stock levels based on orders

• Cart & Order Management: Implementing complete endpoints for cart and order handling

Module 1: Order Management, Automated Email Notifications & Admin Analytics Dashboard

• Order Status Workflow: Managing order states including pending, confirmed, shipped, and delivered

• Email Notifications: Sending automated email updates using Nodemailer

• Order Tracking System: Building a simple feature for customers to track their orders

• Order Status Updates: Implementing status change functionality with accompanying email notifications

• Role-Based Access Control (RBAC): Restricting certain features to admin users only

• Dashboard Data Aggregation: Collecting and organizing data for admin dashboards

• Sales Reporting & Analytics: Generating reports on sales performance and key metrics

• Admin-Only Endpoints: Creating dedicated API endpoints for administrative management

Module 2: Professional Testing & Code Quality Assurance

• Manual Testing with Postman: Using Postman collections to test API functionality

• Writing Test Cases: Creating simple, repeatable tests to verify system behavior

• Final Project Review: Conducting code cleanup and quality improvements

• Final Deliverable: A complete, production-ready E-commerce Product Management System

Module 1: Real-time Communication, WebSocket Fundamentals & Event-Driven Architecture

• Understanding Real-Time Communication: Definition and real-world examples in everyday applications

• Socket.IO Basics: Setting up Socket.IO and establishing a first client-server connection

• Simple Message Broadcasting: Sending messages to multiple connected clients

• Hands-On Project: Creating a basic “ping-pong” real-time application

• Node.js EventEmitter: Understanding the fundamentals of the EventEmitter module

• Custom Events: Creating and emitting custom events within your application

• Responding to User Actions: Listening for events and triggering appropriate responses

• Enhancing Existing Projects: Adding event-driven features to previously built applications

Module 2: Performance Optimization & Advanced Debugging Techniques

• Effective Debugging: Using console.log effectively and leveraging debugging tools

• Simple Performance Monitoring: Measuring and analyzing response times

• Memory Usage Basics: Understanding common memory issues and pitfalls

• Hands-On Optimization: Debugging and optimizing existing code for better performance

Module 1: Chat Application Foundation, Socket Authentication & Advanced Messaging Features

• Chat Data Modeling: Designing database schemas for users, chat rooms, and messages

• Socket.IO Room Management: Organizing clients into rooms for targeted messaging

• User Authentication with Sockets: Integrating authentication into the Socket.IO connection flow

• Basic Chat Room Setup: Creating foundational functionality for joining and messaging in rooms

• Private Messaging & Group Chats: Implementing one-to-one and group communication features

• Presence Indicators: Displaying online/offline status and typing notifications

• Message History & Persistence: Storing and retrieving chat history from the database

• Comprehensive Messaging Features: Building a complete set of chat functionalities

Module 2: Multimedia Support & Rich Chat Interactions

• Image & File Uploads in Chat: Allowing users to share files within conversations

• Emoji & Rich Text Support: Enhancing messages with emojis and formatted text

• Message Reactions & Threading: Adding reactions to messages and supporting threaded replies

• Multimedia Integration: Extending the chat application with full multimedia capabilities

Module 1: Cloud Deployment, Production Configuration & Code Quality Standards

• Preparing for Deployment: Getting your application ready for a production environment

• Using Free Hosting Platforms: Deploying to services such as Render or Railway

• Environment Variables & Configuration: Managing sensitive data and environment-specific settings

• Hands-On Deployment: Deploying a project to a free hosting service

• Code Organization: Structuring folders and files for maintainability

• Writing Clean Code: Best practices for readability and maintainability

• Basic Testing Concepts: Introduction to testing with simple practical examples

• Refactoring Projects: Reviewing and improving existing codebases

Module 2: Portfolio Presentation & Career Preparation

• Code Review: Comprehensive review of all three capstone projects

• Portfolio Presentation Preparation: Organizing and refining project presentations for showcasing

• Final Project Showcases: Presenting projects and receiving peer feedback

• Portfolio Website Development: Creating a comprehensive portfolio website that highlights all three completed projects