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Course 4

Back-End Development - Node Js

The Back-End Development Course at Bubblesort Tech is designed to teach you how to build the backbone of web applications, focusing on the technologies and frameworks essential for back-end development. Starting from Node.js, Express.js, and MongoDB, you’ll learn how to structure and manage databases, implement the MVC (Model-View-Controller) architecture, and host web applications. This course is perfect for those looking to specialize in server-side development and database management.

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Course description

Node.js is a powerful, open-source runtime environment that allows you to run JavaScript on the server side. It’s built on the V8 JavaScript engine from Google, which means it executes JavaScript code quickly and efficiently.

What You’ll Learn from This Course
  • Node.js: Build scalable and efficient server-side applications using JavaScript.
  • Express.js: Learn how to create robust and flexible back-end systems using this minimalist web framework.
  • MongoDB: Manage data efficiently with this NoSQL database, learning key concepts of data storage and retrieval
  • Database Design: Understand how to design databases that are optimized for performance and scalability.
  • MVC Architecture: Master the Model-View-Controller architecture to structure your back-end applications for better maintainability.
  • Web Application Hosting:Learn how to deploy and host web applications on cloud platforms for real-world use.
Benefits of Taking This Course
  • Master Back-End Technologies: Gain expertise in key back-end technologies like Node.js, Express.js, and MongoDB, enabling you to build high-performance web applications.
  • Database Management Skills: Learn how to design, manage, and optimize databases, a critical skill for any back-end developer.
  • Scalable Web Applications: Understand how to build scalable server-side applications that can handle large amounts of data and traffic.
  • Practical Experience: Work on real-world back-end projects that give you the hands-on experience needed to succeed in the tech industry.
Why Bubblesort Tech?
  • Expert Instructors : Our team of experienced developers will guide you through every step, offering personalized mentorship.
  • Practical Approach : At Bubblesort Tech, we emphasize hands-on practice over theory, ensuring you gain real-world experience.
  • Career Support: We assist with resume building, interview preparation, and job search, ensuring you’re ready to land your first job.
  • Personal Growth : Improve problem-solving and coding efficiency through intensive, practical learning.
Why Back-End Development?
  • Comprehensive Curriculum : We cover everything from server-side development to database design and web application hosting, ensuring you have the complete skill set needed for back-end development.
  • Expert-Led Training : Learn from industry professionals with years of experience in building scalable back-end systems.
  • Real-World Projects : You’ll build and deploy real-world back-end applications, giving you practical, job-ready skills.
  • Personalized Guidance : Receive one-on-one mentorship throughout the course to ensure you understand each concept thoroughly.
Why This Course is Helpful for Freshers?
  • For freshers, this course provides a solid foundation in server-side development :
  • Industry-Relevant Skills : Learn the key technologies that are highly sought after by companies today, such as Node.js and MongoDB.
  • Real-World Projects: Gain confidence by working on back-end projects that simulate real-world applications, giving you practical experience.
  • Job Readiness : With back-end development expertise, you’ll be qualified to apply for roles such as back-end developer, database manager, or system architect.
Certification

Upon successfully completing the course, you’ll receive an official course completion certificate from Bubblesort Tech. This certification not only validates your skills but also adds significant value to your resume, helping you stand out in the competitive job market.

Introduction to Web Development
  1. Introduction to web development
  2. Internet
  3. IP Address
  4. Client & Server
  5. Request & Response
  6. DNS
  7. Web Servers and browsers
  8. Http Request & Response
  9. VS Code, extensions & shortcuts
JavaScript (Basics to Advanced)
  1. JavaScript Basics:
    1. Introduction to JavaScript
    2. Variables (var, let, const)
    3. Data Types (String, Number, Boolean, Objects, Arrays)
    4. Operators (Arithmetic, Comparison, Logical)
    5. Conditionals (if, else, switch)
    6. Loops (for, while, do-while)
    7. Functions:
      1. Function Declarations vs Expressions
      2. Arrow Functions, Callbacks
  2. DOM Manipulation:
    1. Document Object Model (DOM)
    2. Selecting Elements (getElementById, querySelector)
    3. Event Listeners (click, hover, input, etc.)
    4. Modifying Elements (textContent, innerHTML, style)
    5. Handling Forms and Input Data
    6. Traversing the DOM (parent, child, sibling nodes)
  3. Advanced JavaScript:
    1. ES6+ Features:
      1. Let/Const, Template Literals
      2. Destructuring (Arrays, Objects)
      3. Spread and Rest Operators
      4. Promises and Async/Await
      5. Arrow Functions
    2. Object-Oriented Programming (OOP) in JavaScript
      1. Constructors, Prototypes, and Classes
      2. Inheritance and Encapsulation
    3. Error Handling (try, catch, throw)
    4. Working with APIs (Fetch API, Axios)
    5. Local Storage, Session Storage, and Cookies
    6. JavaScript Modules (import/export)
Node.js (Backend Development)
  1. Node.js Basics
    1. Introduction to Node.js and the V8 Engine
    2. Setting up a Node.js Project
    3. Node.js Modules (require/export)
  2. Core Modules
    1. fs (File System)
    2. Http
    3. Path
    4. Events
    5. Streams
  3. Asynchronous Programming
    1. Understanding the Event Loop
    2. Callbacks and Callback Hell
    3. Promises and Async/Await
    4. Handling Multiple Asynchronous Requests
  4. Building a RESTful API
    1. Introduction to REST Architecture
    2. Setting up a Basic Express.js Server
    3. Creating Routes and Middleware in Express
    4. Handling Requests and Responses
    5. Validating Input Data with Middleware (Joi, Validator.js)
    6. Error Handling in Node.js
Express.js (Web Framework)
  1. Express.js Basics
    1. Introduction to Express.js
    2. Setting up Express.js Server
    3. Routing in Express (GET, POST, PUT, DELETE)
    4. Middleware in Express
    5. Handling Static Files with Express
    6. Building REST APIs with Express
      1. Defining Endpoints
      2. Handling Parameters and Query Strings
  2. Authentication and Security
    1. Introduction to JSON Web Tokens (JWT)
    2. Implementing Authentication with JWT
    3. Securing API Endpoints
    4. Password Hashing with bcrypt.js
    5. Error Handling and Validation in Express
MongoDB (Database Design and Management)
  1. MongoDB Basics
    1. Introduction to NoSQL Databases
    2. Understanding MongoDB and Document-Based Data Model
    3. Setting up MongoDB
    4. MongoDB CRUD Operations
      1. Create, Read, Update, Delete
      2. Inserting and Finding Documents
      3. Querying with Filters and Projections
  2. Mongoose (ODM for MongoDB)
    1. Introduction to Mongoose
    2. Defining Schemas and Models
    3. CRUD Operations with Mongoose
    4. Validation and Error Handling
    5. Using Virtuals and Middleware in Mongoose
Vijay B

Our courses are led by Vijay B , a seasoned full stack developer with over 10 years of experience in the tech industry, specializing in web and mobile app development, avionics, automotive, and telecom sectors. With a deep passion for teaching and hands-on coding experience, Vijay B has mentored students from around the world, helping them transform into industry-ready developers.
Known for his practical, project-based approach, Vijay B ensures every student gains real-world coding skills and a comprehensive understanding of cutting-edge technologies like React.js, React Native, Node.js, Express Js, MongoDB and more. Whether you're a beginner or looking to advance your skills, his mentorship will guide you toward mastering web and mobile app development with confidence.

Our Students Reviews

"I found this course to be a great experience for me" .
Vijay sir explains the concepts very well and he gives analogies that makes it very easy to understand.

Ashrith Athmaram, Co-Founder at Param
Student at Rutgers University, USA

"I was completely satisfied with this course"
I would recommend it to anybody. He tought me the in and outs of web development from front-end to back-end

Lalitya Skanda, Studied in Japan
Student at PES Institute of Technology(PESIT)

"Life-changing experience!" .
I went from beginner to employed developer in just a few months. The practical projects and mentorship were invaluable.

Poojita Sripathi, Working at BOEING
Studied at RV College of Engineering(RVCE)

"Best decision I made!" .
Thanks to Bubblesort Tech, I’m now confident in full-stack development and landed my first job as a React developer!

Vinay U, Working at InsLab Pvt. Ltd.
Studied at BNMIT

"Exceptional course structure!" .
The focus on practical applications, from front-end to back-end, helped me fully understand web development.

Rohini Y N
Studied at Daynand Sagar College(DSCE)

"Amazing hands-on learning!" .
The MERN Stack course gave me real-world coding skills and helped me build a job-ready portfolio. Highly recommend!

Bhavana Arvetee
Working at Eduate Pvt Ltd

"Exceptional learning experience!" .
The course is well-paced and packed with practical lessons. The React.js module was especially impactful for my career.

Kavya Swami
Working at Introsort Technologies

"Highly practical training!" .
The best part about Bubblesort Tech’s program is the focus on building production-grade projects with real-time feedback.

Gonesh K R
Studied at Bapuji Institute of Technology (BIET)

"Thorough and insightful!" .
The course covered all the essential tools and technologies. I’m now confident building full-stack apps from scratch.

Karthik Kanavalli
Studied at Presidency University

"Outstanding mentorship!" .
Vijay B. and his team provided constant support and guidance, helping me build real-world projects during the course.

Dr. Sagar, Physical Therapist
Vaayu Chest and Sleep Specialists

"The course was realy amazing" .
They use different stategies to make us understand, they conduct frequently practicals to make sure that we are perfect at programming.

Srinidhi B S
Student at RR College of Engineering (RRCE)
BubblesortTech|JP nagar|Bengaluru
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