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What is the MERN Stack?

MERN Stack is a JavaScript stack that is designed to make the app development process easier. It consists of MongoDB (M), Express.js (E), React.js (R) and Node.js (N). Given below are each of these components in detail:

MongoDB Logo

Easy-to-scale and flexible, MongoDB is an open-source, cross-platform and document-oriented NoSQL database program.

ExpressJS Logo

Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.

React.js Logo

A JavaScript library for building user interfaces, React.js is maintained by Facebook and a community of experienced developers.

NodeJS Logo

An open-source and cross-platform JavaScript environment, built on Chrome’s V8 JS engine and designed to create complex network apps and platforms.

Why Choose MERN Stack?


Since MERN Stack is open-source, it does not require any license fee. Developers can freely use the stack or the set of technologies in MERN to build scalable, feature-rich and dynamic apps for different industry verticals.

Highly Flexible

The best part about using MERN Stack is that developers can easily move the code written for NodeJS towards React.js without any technical glitches. This offers high flexibility, reduces the overall app development time and even helps developers save their efforts.


Data retrieval is an easy process with MERN Stack, thanks to the NoSQL property of MongoDB. Moreover, altering the data layer is simple without affecting the app functionality. In addition, NoSQL facilitates hassle-free migration without any inaccuracy.

Single-page App Development

React.js, used in MERN Stack, helps developers build fully-functional and cutting-edge Single Page Applications (SPAs) that offer high-end user experience. Developers can use React.js to build high-performing and customer-focused SPAs that help businesses improve their efficiency and bottom line.

Improved Security

MongoDB and NodeJS deliver top-notch security tools. Developers use these technologies to create highly secure applications that engage huge amounts of traffic. Moreover, high security standards ensure that users can easily access these apps without worrying about data breaches, hacks or information leaks.

Front-end Development

Being one of the most effective and popular front-end technologies, MERN Stack is extensively used to design web applications that offer engaging and attractive user interfaces. The stack powers some of the most responsive, consistent and interactive platforms for multiple business domains.

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MERN Stack Services

We offer our clients MERN Stack development services including

MERN Stack Web Development

Talk to us if you’re looking for scalable MERN Stack web development services. We build fast, secure and feature-rich web apps for all industry verticals. We’ve offered MERN Stack web development services for multiple business domains, like Edutech, Logistics, and eCommerce, that has earned us applauds from industry leaders.

MERN Stack eCommerce Development

Our MERN Stack developers have amazed our clients by offering them custom-made eCommerce solutions and online stores. We’ve built intuitive, comprehensive and fast-paced eCommerce stores that have helped our clients with improved sales and positive business returns. Contact us if you want a secure and robust online marketplace that offers a unique user experience and adds an edge to your business.

MERN Stack API Development

We’re adept at creating custom APIs for mobile, desktop and cloud apps, databases and operating systems. Our MERN Stack engineers are skilled at configuring APIs for mobile, console and browser apps. Our approach to API management has resolved multiple issues related to business logic, data sharing, communications, and content.

MERN Stack SPA and Real-time App Development

Count on our MERN Stack developers if you are looking for real-time app development services. We’re proficient at building high-performing apps for fast-moving businesses that engage customers in real-time. In React, we also create Single Page Applications (SPAs), that load a single HTML page and dynamically updates the page every time the user accesses the app.

Migration and Porting

Our MERN Stack engineers have niche expertise and broad industry experience in migrating and porting multiple enterprise apps to MERN Stack frameworks. We can guarantee you flawless and cost-efficient migration of your existing platforms to MERN Stack, ensuring data security, analysis, and testing.

Technical Maintenance and Support

You will get full support from our engineers for your app maintenance. Our MERN Stack developers offer uninterrupted technical support that cover design updates, fault analysis, code reviews, upgrades and patches, testing and software enhancements. We have a proven track record of handling ad-hoc issues and unexpected scenarios with efficiency and proper planning.

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Industry Experience

Our team is specialized in a wide array of industry verticals

  • ISVs & Product

  • Digital & Marketing

  • Banking &

  • Retail &

  • Healthcare

  • Education and

  • Logistics &

  • Media &

  • Automotive

  • Travel &

  • Technology

  • Publishing &

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Partner With Capital Numbers


We are a one-stop shop for your project, helping you at every stage of the entrepreneurial adventure - from crafting your idea, through design and development, up to product launch and scaling your business.

Small Businesses

Small and Mid-Sized businesses need top development skills for scaling their products. We set up dedicated teams that handle new features, maintenance, and scaling for you.


We help enterprise clients achieve better results, automate processes, and cut costs with solutions that bring actionable business insight and pave the way to scaling any business.

Software Companies

We know how difficult it is to source talent. We provide developer teams to support in-house resources or create interdisciplinary, self-reliant tech units to address your needs.

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Easy to choose pricing models

Hire a Dedicated Developer

Starting from $3000/month

8 Hrs/Day - 160 Hrs Per Month. Monthly Rolling Contract. 25% Savings over Fixed Price Projects.

Get a Fixed Price Quote

Starting from $25/hour

We'll provide a fully signed NDA for your project confidentiality.

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Why Choose Capital Numbers

Reliable Service 100% in-house team.
No freelancers

Trusted by People Like You Over 100+ real, 5 star reviews on

Hire ExpertsWe employ only top 1% developers.

Modern Setup We have the best workplace in the industry.

Ai Driven Workflow We try to address issues before they occur.

Save up-to 50% We are better and yet cheaper than other solutions

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Some Of Our Works


Workflow Solution for Australia’s Leading Digitization Company

Tech Stack: Laravel, Angular, Redis, Pusher, Gulp

They wanted to scale their production team in a cost-efficient way, and to ensure that the quality was up to standard for their government clients.

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Helping Life Happens with a Web App That Drives Financial Literacy

Tech Stack: Laravel, VueJS, CSS

This is a web app that helps insurance companies upload marketing/educational resources (e.g. flyers, brochures, videos, etc.) and drive financial literacy in society.

Read More
PHP Logo


How We Helped IDM With Data Collection and Reporting Tools

Tech Stack: Laravel, HTML, CSS

IDM wanted us to develop a responsive web application that would allow the users to update data and reports about oil-fields in real-time.

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PHP Logo

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