Category Archives: IT Vacancies

eGrove Systems hiring React JS Frontend Developer in Boston, Massachusetts, United States

Calling the modifier is the way we can tell React that the component state has changed. Calling useState(), you will get back a new state variable, and a function that we can call to alter its value. It’s technically a hook (you don’t need to know the details of hooks right now, but that’s what it is). We say that WelcomeMessage is a child component of App, and App is its parent componnet. In particular, in a React component you can import other React components, and you can embed them and display them.

react frontend developer

The skills acquired in this field presents copious opportunities for individuals like you in the field of web application development. Backed by Facebook and used by tech companies large and small, React has quickly become the most popular front-end framework in the tech world. If you’re already familiar with JavaScript, adding React to your skillset is a wise career investment.

Ready to learn a new skill?

Here, the useLocalStorage hook takes in two parameters, the local storage key name to store, and a default value that has to be there. UseRef returns a mutable ref object whose .current property is initialized to the passed argument (initialValue). The returned object will persist for the full lifetime of the component. Another part of this is the dependency array which is the second argument to the useEffect() hook. In the above code snippet, we are creating a title state to store the title of the page.

react frontend developer

This hands-on approach ensures that by the end of the course, learners can not only understand but also apply their knowledge to real-world scenarios. In select learning programs, you can apply for financial aid or a scholarship if you can’t afford the enrollment fee. If fin aid or scholarship is available for your learning program selection, you’ll find a link to apply on the description page.


They will build interactive, responsive, and testable Single Page Applications (SPAs) using the skills acquired from the HTML5, CSS3, JavaScript and React courses. Learners should follow the design principles and best practices while developing solutions to create products that meet the industry-standard. In addition, many of the developer-experience benefits of a React app, such as writing interfaces with JSX, require a compilation process. Adding a compiler like Babel to a website makes the code on it run slowly, so developers often set up such tooling with a build step. React arguably has a heavy tooling requirement, but it can be learned.

react frontend developer

Industry leaders like Netflix, Instagram, and Uber Eats used React to create their iconic user interfaces (UIs). The following article examines the career of a React developer and how you can become one in just three steps. This module introduces learners to the basics of React, a prominent JavaScript library. It covers core concepts such as components, state, props, and JSX.

Embedding JavaScript in JSX

To start with, I highly recommend one approach, and that’s using the officially recommended tool called create-react-app. React is one of the most popular JavaScript frameworks ever created, and I believe that it’s one of the best tools out there. Many software developers begin their careers with a Bachelor of Science in Computer Science, a Master of Computer Science, or a degree in a related field. These areas of study can be particularly beneficial for aspiring React developers. Higher education can be advantageous, but employers do not always require it. However, those who want to become a React developer professionally may benefit more from online courses or certifications.

Dive deeper into React and JSX to build basic components that enable you to create flexible user interfaces. At CronJ, we specialize in creating high-performance, user-centric web, and mobile apps using cutting-edge React technology. Trust our experienced developers for tailored solutions that elevate your digital presence. From conception to testing, a top-notch React developer can help you build interactive components for your website or web applications using the React development concepts. In this program, you will learn the fundamentals of frontend development and how to build web applications using the React library. In this Project, learners will develop frontend solutions for the given problem statements using React.

React Developer Skills

We can also send functions as props, so a child component can call a function in the parent component. Otherwise the React component will not update its UI to reflect the changes of the data. We are writing this UI code in a JavaScript file, and class in the JavaScript programming language is a reserved word. It serves a specific purpose (defining JavaScript classes) and the React creators had to choose a different name for it.

react frontend developer

Established in 1981, NIIT offers Managed Training Services to market-leading companies in 30 countries worldwide. Most of all, make sure you practice by building sample applications to apply everything you’ve learned. An application built using React, or one of the other popular frontend frameworks like Vue and Svelte for example, is built using dozens of components. To build for the web, developers use React in tandem with ReactDOM.

These can provide structured learning with industry experts and career credentials. The sections below describe how to become a React developer step-by-step. React is a free and open-source library, meaning anyone can use it. React developers are heavily involved in all stages of the interface development process.

  • However, the React library is JavaScript based, and JavaScript is a full-stack technology.
  • When you enroll in the course, you get access to all of the courses in the Specialization, and you earn a certificate when you complete the work.
  • Review key features in JavaScript ES6 that will help you code more efficiently and prepare to use the React library.
  • Some of the high-traffic websites that use React are Instagram, Uber, and Reddit.
  • Also it takes care of setting the value of local storage using localStorage.setItem() function.

One of the most commonly asked questions that I’ve seen in front-end interview rounds is to create a custom hook for keyboard events. The useState() methods gives us two values, the state variable and a function to change that state variable. A closure is the combination of a function bundled together (enclosed) with references to its surrounding state (the lexical environment).