<p>When you are going to <a target="_blank" href="https://www.sundevs.com/staff-augmentation">hire React developers</a> it's important to know the project’s requisites that the person is going to work on. It can be used methods like live coding or assigning a project with very specific qualities so the candidate clears up them. This is a way to get to know if the developer implements good practices or not. </p>
<h4 id="lets-take-a-look-at-some-questions-that-a-cto-or-a-technical-recruiter-can-ask-a-candidate">Let’s take a look at some questions that a CTO or a technical recruiter can ask a candidate:</h4>
<ol>
<li>What is State?</li>
<li>What are the differences between state and props?</li>
<li>How doesVirtualDOM work and what are the differences with Real DOM?</li>
<li>What is the render() method used for in React?</li>
<li>What are the lifecycle’s methods in React?</li>
<li>What is the difference between Stateful Components and Stateless Components?</li>
<li>What are HOC (High Order Components)?</li>
<li>What is Redux and which are its components?</li>
<li>Explain Redux’s components</li>
<li>What are hooks? Mention how do useState and useEffect work</li>
</ol>
<p>This is a procedure that helps developers to know if they can have a good execution on the project and for recruiters to know how they can hire a <a target="_blank" href="https://www.sundevs.com/blog/how-to-hire-reactjs-developers-10-key-questions-job-interview">ReactJs developer</a>. </p>


When you are going to [hire React developers](https://www.sundevs.com/staff-augmentation) it's important to know the project’s requisites that the person is going to work on. It can be used methods like live coding or assigning a project with very specific qualities so the candidate clears up them. This is a way to get to know if the developer implements good practices or not. 

#### Let’s take a look at some questions that a CTO or a technical recruiter can ask a candidate:

1. What is State?
2. What are the differences between state and props?
3. How doesVirtualDOM work and what are the differences with Real DOM?
4. What is the render() method used for in React?
5. What are the lifecycle’s methods in React?
6. What is the difference between Stateful Components and Stateless Components?
7. What are HOC (High Order Components)?
8. What is Redux and which are its components?
9. Explain Redux’s components
10. What are hooks? Mention how do useState and useEffect work

This is a procedure that helps developers to know if they can have a good execution on the project and for recruiters to know how they can hire a [ReactJs developer](https://www.sundevs.com/blog/how-to-hire-reactjs-developers-10-key-questions-job-interview). 
 


10 important questions for the ReactJs developer job interview

Let’s take a look at some questions that a CTO or a technical recruiter can ask a candidate: