React, which is an open-source JavaScript toolkit allows developers to create an interactive, reusable, and quick UI framework for website and mobile applications. Thus, it is best known for providing speed, simplicity, flexibility, and development with dynamic data sets. The widespread use of this React toolkit is certainly creating a demand for expert React developers across the globe.

If your project needs a React developer(s) too, then consider the following factors, knowledge, and skills while hiring these developers.

React, which is an open-source JavaScript toolkit allows developers to create an interactive, reusable, and quick UI framework for website and mobile applications. Thus, it is best known for providing speed, simplicity, flexibility, and development with dynamic data sets. The widespread use of this React toolkit is certainly creating a demand for an expert React developers across the globe. If your project needs a React developer(s) too, then consider the following factors, knowledge, and skills while hiring these developers.

Usually, a ReactJS developer work using the ReactJS framework and JSX code syntax, therefore it is essential for this person to be good at executing JSX code. Moreover, developers who are proficient in HTML and CSS can design effective and rich applications with the combined use of JSX. Since JSX has some critical features of React library, therefore it is a must for the react developers to be pros at it.

The developers efficient at ReactJS are able to manage projects by prioritizing the state management and portfolio which comprises app performance optimization jobs. Additionally, React developers shall be good at Context API, React Router, Redux, and Axios and, MObX along with new developments such as React hooks.

NodeJS which is a server-side technology is flexible enough to handle the requirement of front–end and client-side developments. By simply modifying the NodeJS NPM package, React library can be used optimally. MERN is the most extensively used technological stack that combines ExpressJS, ReactJS, NodeJS, and MongoDB databases. Thus, the React developers shall be familiar with the NodeJS and NPM packages.

With the rising development and deployment in almost all industries, testing has become a crucial skill when hiring ReactJS developers. A variety of tools and frameworks that facilitate unit, end-to-end, and integration testing on ReactJS code is of utmost importance. Some of the popularly used tools and frameworks are as follows.
● Unit Testing: Jest, Sinon, Mocha, Chai, Enzyme, Tape, and AVA
● End-to-End Testing: Selenium, Cypress, Webdriver, Cucumber, Puppeteer, Nightwatch JS
● Integration Testing: Karma

Some other technologies that React developers should be proficient with are MERN stack and express React Combo to cope with the server load, manage multiple requests, and develop full-stack JS apps. Furthermore, technologies that facilitate easy scripting and maintenance across SDLC shall also be considered as they are helpful for increasing productivity and allows faster rendering of durable products.