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How to hire a great React developer

Understanding React as a Programming Language

React (or React.js or ReactJS) has become one of the most popularly used programming languages and one of the choicest tools for a development team. It is widely used in web applications by full-stack developers as well as web engineers. React.js was developed by Jorden Walke. It is greatly valued in the world of software development and has been maintained consistently by Facebook. This was first deployed in 2011, on the Facebook news feed and has been used on Instagram in 2012. Such world-famous websites as Airbnb and Netflix use React for front-end development.

React is basically an efficient, flexible, and declarative front-end JavaScript library. The utility of React.js typically lies in Single Page Applications.

A Single Page Application is one that loads simply the HTML page in place of reloading the entity of the page from the server when you interact with the application. Such pages automatically update when there is interaction with this application. A simple example demonstrating the use of React is seen when you use Facebook or Instagram. When you like a picture or a post, you can see the number of likes increasing, without having to reload the page; this is because of the work of the React developers.

Some of the alternatives to React are as follows:

• Vue.js. Vue is an extremely important library that is used for building the interactive web user interface. It provides reactive components to a page with the help of a flexible and uncomplicated API. However, it is less popular than React.js.
• Angular.js. This is an open-source, TypeScript based web application technology. It is vital for building scalable and powerful systems. However, AngularJS is not as easy to use as React.
• NativeScript. This open-source framework aids app development on the Android and Apple iOS platforms. Vue and Angular JavaScript frameworks are supported by NativeScript, and fully native apps can be created with the help of this framework.
• Ember.js. This is a JavaScript framework that takes care of the hard work that you would otherwise have to perform manually. It takes care of tasks that are most common to a number of web apps, so you can spend your time focusing on building the user experience and features.
• jQuery: This cross-platform JavaScript library is designed to help in making the client-side HTML easy to script. This is an ancient library that has existed on the internet and is still reasonably common.

How to hire a React developer

ReactJS development has become quite popular following the growth and popularization of React as a programming technology. A React developer is basically a front-end developer with a versatile range of experience and knowledge in React Native and React. For most of the online projects under development nowadays, it is important to have an experienced React developer in the team, as they will be able to use the skills in order to create a high-quality interactive user interface that will become popular among the users.

There are often some full-stack React developers, who are incredibly prolific in using MongoDB as well as Node.js with some experience in MERN stack. While it is essential to understand their level of expertise depending on the years of experience, the companies they have previously worked for is also a great indicator of their talent.

While it may seem easy to hire ReactJS developers, keeping in mind the JavaScript library’s relative popularity, it is vital to be proficient in the hiring process. While there are a number of ReactJS developers in the market, all of them might not suit your project requirements.

One of the most important aspects of the hiring process that is not taken care of is testing. There are many ways you can put the knowledge of a React developer to test, and this can be managed by a proper hiring manager.

When you are hiring a React developer, it is important for you to make sure that the developer has a good understanding of how to work with various technologies and how to build the system from scratch.

It is crucial that a React developer has the following capabilities:

• A trained React developer must be able to work with CSS and HTML.
• They should have a basic understanding of Hooks and Redux for proper state management.
• The developer must have knowledge of ES6 and JavaScript.
• The developer must be able to set up and operate a database.
• It is essential to know how to interact with the API of a database.
• A developer must have a basic understanding of NPM as well as Node.js, which are important for third party integrations.
• The developer must be skilled and competent in testing driven development.
• The developer must be able to adapt to new technologies and apply them to provide full functionality in the development process.
• The developer must have full knowledge of the MVC design pattern.
• The developer must be able to write valuable and efficient codes.

Hiring an in-house or a freelancer or a dedicated remote React developer?

When you understand that you need to hire a React developer, it is important for you to make another grave decision. You need to decide whether you want an in-house developer, a dedicated React developer from a development company, or a freelancer. These distinctions have a lot of significance as well as various advantages and disadvantages.

An in-house React developer will be quite expensive, and this also incurs a huge commitment. Given the soaring onboarding costs and the tiresome recruitment process, it will simply not pay off if you hire an in-house professional for a short time period. There are also various overhead costs that you will have to bear in case of working with a full-time in-house developer. These costs include providing office space, providing insurance plans, and more. If you do not require the developer for an extended period of time, this is not the best option if you do not have a huge budget.

There are also a number of freelancers in the market who are interested in short-term ReactJS projects and are relatively more affordable than hiring an in-house specialist. However, there is a problem with hiring freelancers, because it is not possible to understand their talent or level of excellence without proper reference.

The final option that you have is hiring dedicated React developers from outsourcing companies. When you hire such a software engineer from an offshore country, not only will you be able to save money because the cost of hiring developers from offshore countries is much lesser than in Western Europe or the USA, you will also be able to find incredibly talented developers. This is one of the most trusted means of getting the best developers for your company. However, it is not always easy and safe for you to outsource React developers from offshore companies by yourself. This is where you can depend on YouTeam. The engineers and software developers that are available at YouTeam have been appropriately screened, and the vetting process is rather detailed to provide you with the best talent in the industry. The sourcing process can be completed in 48 hours with the help of YouTeam, and you will be able to interview potential employees in no time at all.

Important Questions to Ask When Hiring React Developers

When you hire React developers for your company, you will be able to enjoy a number of advantages, provided you have the correct and the most skilled developers in your team. In order to make sure that the hiring process goes smoothly and you choose the best candidate out of the lot, it is vital to ask the correct questions that will bring about not only hard skills but also the soft skills of your potential developer.

Soft skills assessment:

YouTeam has provided a straightforward tool that will give you a list of interview questions from a number of domains as well as subdomains. With the help of this tool, you will be able to screen the participants for various critical soft skills that are important for a developer to possess.

• Introductory questions: “What do you think is the most difficult aspect of working in a software development team?”
• Leadership based questions: “Have you ever taken ownership of a ReactJS project or been involved in project management? How was your experience and why do you think you succeeded in getting it done properly?”
• Questions based on time management: “Are you good at juggling many projects at the same time and are you familiar with agile software development?”
• Communication-based questions: “Who’s the best project manager you have ever worked with? What mode of communication did you use that made the relationship so good?”
• Questions based on teamwork: “What do you think is the worst aspect of working in a team? How do you mediate your needs with the other members of the group, for example, back-end developers? What role do you think you possess in a team?”
• Questions based on flexibility: “What do you think is the best way to deal with the overwhelming stress in the workplace?”
• Reliability-based questions: “What qualities, according to you, make a worker reliable and efficient?”
• Questions based on creativity: “If you had enough money to start your own business, what would it be on?”
• Questions to assess organizational fit: “What do you think constitutes the best company culture?”
• Time management when WFH questions: “For a remote workday, how do you plan your schedule?”
• Questions based on remote communication: “Considering I know nothing about your job title, how will you be able to explain your job to me in 60 seconds?”
• Questions based on critical thinking: “If you have only one hour to meet a deadline for React.js development and find out that your code is not working, what will you do?”

Hard Skills

After you are done with the questions in order to assess the soft skill of a person, it is now important to ask them questions that will assess their skill and knowledge about the technical aspect of React.js. Following are some of the FAQs:

• Do you have any experience with the GitHub?
• As a candidate for a web developer position, tell me about some of the fundamentals of web development such as CSS, JavaScript, and HTML.
• What do you think is the importance of React Native in a mobile app project? What’s your experience in the development of mobile applications?
• What can you tell me about JSX syntax?
• Do you have any work done previously on the present authorization mechanism which includes JSON Web Token?
• What front end tools have you worked with?
• Are you familiar with the various cross-browser compatibility principles and responsive design compatibility principles?
• What can you tell me about stateless components?
• Do you have experience in integrating and building REST APIs?
• Describe to me the React component lifecycle.
• Do you think it is possible to use React without JSX?
• Can you tell me how React uses Virtual DOM?
• Do you have any experience using Flux?
• What do you know about component state hooks?
• Can you build a global state hook?
• Can you elucidate the disadvantages of using React for application development?
• How can you use Redux to React?
• What is the importance of keys in React?

With the popularity of React and its usefulness in mobile and web development, it is important for you to get hold of the best React developers from offshore countries. Get reliable React developers with the help of YouTeam and drive your project through success. With the help of a host of important questions to ask, you are ready for the hiring process. Good luck!

React code sample

import React from 'react';

    class App extends React.Component {
        constructor() {
          super();
           this.state = {
           userData:
           [
               { "id":1, "name":"Vlad", "age":"16" },
               { "id":2, "name":"Taras", "age":"29" },
               { "id":3, "name":"Nikita", "age":"24" }
           ]
         }
     }
     render() {
         return (
           {this.state.userData.map((person, item) = >)}
         );
      }
    }
    class AppHeader extends React.Component {
      render() {
          return ();
      }
    }
    class AppTable extends React.Component {
      render() {
        return ({this.props.userData.id} {this.props.userData.name} {this.props.userData.age});
      }
    }

    export default App;