7 Famous Applications Built With Node.js

Node.js is a JavaScript runtime environment that is built on Chrome’s JavaScript engine. It’s a quick, light, scalable, and productive environment. Node is designed to create scalable network applications. Moreover, npm, the package ecosystem for Node.js, is the world’s largest open-source library ecosystem. Below we discuss 7 famous applications built with Node.js.

Applications built with node.js

  1. Netflix

The global favoured video streaming app first employed Node.js to facilitate high-volume web streaming for its members. Netflix wanted to provide observability debuggability diagnostic tool, and availability service registration in this early architecture. The NodeQuark service and routes requests to an application gateway, which then APIs and prepares responses before sending them back to the client. The software development team also picked Node.js to develop a lightweight, modular, and quick application.

  1. Paypal

Having to write the frontend and the backend with different languages was the main challenge PayPal’s engineering team was facing. By allowing both browser and server apps to be built in JavaScript, Node.js helped the developers overcome the boundary between the browser and the server.

  1. LinkedIn

The company decided to use Node.js for its mobile-app backend. The new mobile app is up to times faster than the previous Ruby on Rails based version and utilizes a fraction of the resources servers were reduced from. The pace of development was unusually quick. Node.js brought significant performance improvements.

  1. Mozilla

Many of Mozilla’s web projects use Node.js. Mozilla developers chose Node.js for reasons one was the memory footprint and it was good to be able to use the same language on the server side and the client side.

  1. Uber

Uber has built its massive matching system on Node.js. Software developers at Uber chose Node.js for these main reasons It swiftly processes a large amount of data. Programs may be reviewed and faults corrected on the go without having to restart allowing developers to constantly publish and deploy new code.

  1. Groupon

Enterprise Node.js developers at Groupon chose Node.js for its vibrant community, NPM, performance, and easy scalability. The previous Ruby on Rails platform, and they can now handle significantly more traffic.

  1. eBay

For the project, the web engineers had two main requirements. The first step was to make the app as real-time as possible, which meant maintaining live connections to the server. The second step was to coordinate a large number of eBay-specific services that display data on the page.


Many well-known companies use Node.js to power their backend apps. It’s fast, lightweight, JavaScript, and it significantly speeds up software development. So Node.js may be used to create a wide range of apps, from SPAs to IoT. It is a popular choice of startups and enterprises when building microservices and serverless architecture.