Dialify Tech – Backend Development with Node.js

Location: Mirpur, Dhaka

Course Description

This intensive program provides a comprehensive journey into backend development with Node.js, designed for those aspiring to become proficient backend or full-stack developers.

Participants will gain hands-on experience with Node.js fundamentals, RESTful API development, Express.js, databases (SQL & NoSQL), authentication, and deployment strategies. The course emphasizes best practices, scalability, and security, culminating in a capstone project that applies all acquired skills to a real-world application.

Target Audience

• Aspiring backend developers

• Full-stack developers expanding their server-side skills

• Web developers transitioning to Node.js

• Anyone interested in server-side application development

Prerequisites

• Foundational knowledge of JavaScript (ES6+)

• General web development concepts

• Familiarity with CLI (command-line interface)

• Computer with internet access and permissions to install software

Learning Objectives

By completing this course, participants will be able to:

• Understand Node.js principles and event-driven architecture

• Set up a professional Node.js environment

• Use Node.js core modules for server tasks and utilities

• Manage dependencies with npm

• Build and manage RESTful APIs with Express.js

• Work with databases (MongoDB with Mongoose, SQL basics)

• Implement authentication & authorization with JWT and RBAC

• Write unit & integration tests for Node.js apps

• Deploy Node.js apps to cloud platforms (Heroku, AWS, DigitalOcean)

• Optimize app performance, scalability, and security

Course Modules & Curriculum

Module 1: Introduction to Node.js & JavaScript Refresher (8 hrs)

• Event-driven, non-blocking I/O architecture

• Use cases for Node.js

• Setup: Node.js, npm, VS Code

• JavaScript ES6+ review: let/const, arrow functions, destructuring, async/await, modules

✅ Outcomes: Set up dev environment, explain Node.js benefits, write modern JavaScript code

Module 2: Node.js Fundamentals (10 hrs)

• Core modules: fs, path, os, http, events

• NPM & package.json

• Asynchronous programming: callbacks, promises, async/await

• Error handling patterns

✅ Outcomes: Use Node.js core modules, manage dependencies, handle async code

Module 3: Building Web Servers with Express.js (12 hrs)

• Express setup & project structure

• Routing & HTTP methods

• Middleware (built-in, third-party, custom)

• Error handling in Express

✅ Outcomes: Build REST endpoints, apply middleware, implement error handling

Module 4: Database Integration (15 hrs)

• Relational vs. NoSQL databases

• MongoDB with Mongoose: schemas, models, CRUD, validation

• (Optional) SQL integration: PostgreSQL with Sequelize/Knex.js basics

✅ Outcomes: Connect apps to databases, perform CRUD operations, apply validation

Module 5: RESTful API Development (12 hrs)

• REST principles & best practices

• API versioning & endpoint design

• Request validation

• API documentation with Swagger/OpenAPI

✅ Outcomes: Design REST APIs, document APIs, build structured endpoints

Module 6: Authentication & Authorization (10 hrs)

• Password hashing (bcrypt) & salting

• Token-based authentication with JWT

• User management (register, login, logout)

• Role-Based Access Control (RBAC)

✅ Outcomes: Secure APIs with JWT, manage user sessions, enforce RBAC

Module 7: Advanced Node.js Concepts & Deployment (13 hrs)

• Testing with Mocha, Chai, Jest (unit & integration)

• Deployment strategies:

  • Environment variables

  • PM2 process manager

  • Cloud platforms (Heroku, AWS EC2, DigitalOcean)

• Performance optimization: caching, load balancing (overview)

• (Optional) Microservices concepts

✅ Outcomes: Write tests, deploy to production, apply optimization strategies

Capstone Project

Students will build a full-featured RESTful API with:

• Database integration

• Authentication & authorization

• Proper routing & error handling

• Documentation with Swagger

• Deployment to a live server

👉 Final deliverable: A production-ready backend project to showcase in their portfolio.

References

1. Code with Mosh – The Complete Node.js Course

2. Coursera – Developing Back-End Apps with Node.js and Express

3. Udacity – Backend Development Node.js Training Course

4. W3Schools – Node.js Curriculum

5. edX – Back-end Application Development with Node.js and Express

Certification

✔ Upon successful completion, participants will earn a Dialify Tech Certification in Backend Development with Node.js.