MERN Stack Certification Exam

MERN Stack Certification Exam

Exam Cost: USD 30.00

Benefits of LoopSkill Certification

You will become Internationally Certified MERN Developer.

Backed by 5000+ Companies this Certification will provide you Great Job Opportunities.

Average salary of a great MERN Professional is around $80,000 per annum.

Exam Cost: USD 30.00

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What Is MERN Stack?

MERN Stack consists of four open source software stacks: (MongoDB, Express.js, React, and Node.js). These components provide a comprehensive foundation for the construction of dynamic website and online applications.

Among them MongoDB technologies is a database system, Node.js is a runtime environment on the server side, Express. Js is a Node.js web framework and Reaction is a JavaScript client-side library used to create user interfaces.

Since entire MERN stack support program components written in JavaScript may be written to both server and client side execution environments in a single programming language.


MongoDB is a NoSQL database program that uses schema-based BSON documents that look like JSON. MongoDB is frequently used to fill the database role in the MEAN stack because its use of JSON-like documents for interacting with data rather than the row/column model allows it to integrate well with the other (JavaScript-based) components of the stack.


Express.js is a Node.js-based modular web application framework package. While Express can function as an internet-facing web server, even supporting SSL/TLS out of the box, it is frequently used in tandem with a reverse proxy such as NGINX or Apache for performance reasons.


For building user interfaces or UI components, React is a free and open-source front-end JavaScript library. Facebook and a community of individual developers and companies maintain it. Single-page or mobile applications can be built with React as the foundation.


Node.js, an application runtime language, powers the MEAN stack. Node.js is said to represent JavaScript Everywhere, and the MEAN stack also relies on that concept.


You can see how popular MERN Stack is by looking at the statistics below...

  • In India, MERN Stack is the 20th most popular Framework.
  • In Palestine, MERN Stack is the 2nd most popular Framework.
  • In Mongolia, MERN Stack is the 2nd most popular Framework.
  • In Georgia, MERN Stack is the 2nd most popular Framework.
  • In Armenia, MERN Stack is the 2nd most popular Framework.
  • In Turkmenistan, MERN Stack is the 2nd most popular Framework.


Salary Range of MERN Stack Developer

Depending on the experience level and the demographic area, the salary of a MERN Stack developer varies widely.

The following is the average MERN Stack Developer Salary in USA:

Best Minds In MERN Stack$125,000
Senior MERN Stack Developers$ 100,000
Intermediate MERN Stack Developers$ 80,000
MERN Stack Freshers$ 50,000


The following is the average MERN Stack Developer Salary in India:

Best Minds In MERN StackINR 90,000
Senior MERN Stack DevelopersINR 60,000
Intermediate MERN Stack DevelopersINR 35,000
MERN Stack FreshersINR 20,000


What Is MERN Stack Certification?

MERN Stack Certification assesses a person's knowledge of the programming language as well as their understanding of programming concepts. A variety of certifying authorities, ranging from government agencies to commercial enterprises and organisations, offer the MERN Stack certification. Certifications are normally obtained by the completion of an online or offline exam.

All certificates have their own set of benefits, such as international recognition, career opportunities, freelancing, and so on. So, MERN Stack certification is an online exam that evaluates a developer's skills and knowledge in order to match them with the suitable opportunities.


Why should you take this Online MERN Stack Certification?

The online MERN Stack certification from Loopskill will assist you in becoming a certified developer. You can take this exam and by scoring 70% you will become an internationally certified MERN Stack developer. This certification will help you in three different ways:

  • You can demonstrate your MERN Stack certification to potential employers and can stand out of the crowd.
  • You can apply for great jobs using loopskill website or app; moreover, our partners companies will contact you directly for full-time or part-time opportunities depending on your skills & requirements.
  • Loopskill is not just a platform to get certified or to find full time jobs; here being a certified developer you can also do freelancing for the clients around the globe. You will be approached by the clients who need your help in building some web based platform or some app based platform.

The loopskill’s online MERN Stack certification is created to help people in exploring and achieving their full potential so they can get connected to the best opportunities around the globe.


Few of The Best Websites Using MERN Stack:

MERN Stack is utilised by over 1,300,000 websites worldwide. Here are a few examples of high-traffic websites that rely heavily on MERN Stack:


Advantages of MERN Stack Language for Developers

MERN Stack has various benefits for developers; a few of the most important benefits of using MERN Stack are given below.

Why use MongoDB?

  • Indexing documents is a breeze.
  • Ensure scalability by dividing large data into multiple machines.
  • Schema It's less than any other type of information stored in a separate document
  • Setting up a MongoDB environment is easy.
  • There is a flexible document model that can be quickly created.

Why use Express?

  • It is Asynchronous and single-threaded.
  • It is a fast and scalable solution
  • A built-in router makes it easier to reuse code.
  • Robust API (application programming interface).

Why use React?

  • Each component in ReactJS has a logic, which makes it a great tool for building UIs. To make web applications easier to develop and understand, these components support code reuse.
  • There are many features that make it much faster than the others such as Virtual DOM, JSX and components.
  • Using JavaScript and ReactJS, React Native makes it easy to create apps for Android and iOS.

Why use Node.JS?

  • Supports JavaScript Runtime Environment, a free and open-source programme
  • A single-threaded model is employed.
  • With its JavaScript Engine built into Google Chrome, Node.JS has a fast code execution speed.
  • There is a high degree of scalability

Combine there are several other advantages to learn MERN Stack and adopt it for your next website or app development project.


Important Topics to Learn & Master in MERN Stack

If you wish to become a MERN Stack master, the topics listed below must be covered.

Tools & Introduction

  • Introduction
  • Webpack / babel / npm
  • NodeJS
  • Learning Visual studio code

Introduction to ReactJS

  • ES6 introduction
  • The role of react and the problems react addresses
  • JSX

Vrtual DOM, Component and Functions

  • React components & Virtual DOM
  • Components with and without state
  • Classes vs. Functions
  • Elements and anstances
  • React.createElement & Component lifecycle

Props and State

  • Using props for data passing
  • Component state & Class components
  • Refs & input handling
  • Initializing state & Updating state
  • Parent and child components

React Routing

  • Router, route and link & Authentication
  • Handling event and react-router-dom
  • Implement react-router in a web application
  • Passing data to routes

Forms and Data Management

  • Container & Form components
  • Form handling & API integration

Styling React

  • Using css to style app & Learning scss
  • Using objects to style components
  • Using scss styles to style for larger projects

Introduction To functional Programming

  • Learning data and behavior with data in, data out
  • Pure functions & ECMA6 Operators
  • Using spread operators
  • Using map and filter to modify states for immutability
  • Using arrow functions for this binding for inner functions


  • Redux architecture
  • Single immutable state
  • Integration with react
  • Store, reducers, and actions
  • Creating redux store & using reducers to modify state
  • Using actions to for dispatch


  • Introduction what is NodeJS
  • Importance of being asynchronous
  • Asynchronous Javascript & NodeJS process
  • File system & FS module
  • Building servers
  • Creating servers with HTTP
  • Receiving data
  • CommonJS Modules & npm Packages
  • The EventEmitter API


  • Introduction to ExpressJS
  • Routing, Configuration & Middleware
  • Working With Data &
  • Child Process Module
  • NPM & Management
  • Node.js API design
  • Error Handling & Debugging
  • Hosting Node & Nodemon


Future of MERN Stack Developer

As a result of working in the MERN stack, powerful results are achieved quickly and easily. Since building and deploying solid MERN apps is likely to gain importance in the future, knowing your way around the stack is essential. MERN Stack is widely used these days because everything is written in JavaScript. JavaScript, as you may be aware, is everywhere. Front-end and back-end applications use it. As a result, there is no need to switch contexts.

Programming languages are mixed together because of tech stacks that use multiple languages. Developers only need to master one coding language because MERN is based on JavaScript. This simplifies the process by a factor of 10. As a result, Node.js was built on top of Chrome's JavaScript runtime to make it easier to create scalable network applications. Unusually efficient event-driven I/O is used to operate the platform.

MERN Stack is a well-established player in the market. It holds the top spot among all web application frameworks, a status that will surely maintain. Until 2021 and beyond, MERN Stack's future is one of uninhabited and augmented growth. As a result, the number of developers who join this framework and the number of websites built with MERN Stack will undoubtedly rise, raising the average developer wage. So, if you're just getting started in programming, MERN Stack can be one of the best programming languages to start with.


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