Top React Interview Questions to Ask Before Hiring A ReactJS Developer

The data from Burning Glass Technologies shows that more than 1,600 ReactJS developers were actively searching for new jobs in February 2020. This number has been steadily increasing over the past years, and it is now nearly double the number of ReactJS developers actively searching for new jobs just two years ago. In this crowd of job-seekers, it is difficult for hiring managers to hire the right talent for the company. 

To help you keep the process rigorous and planned, we have created a list of top ReactJS interview questions that will help you filter the candidates. 

Top ReactJS Interview Questions to Ask While Hiring 

There are a few essential skills that any ReactJS developer should have to be successful. Here are some questions that you can ask during the interview process to assess a candidate’s skills:

-What is your understanding of ReactJS?

-How would you create a component in ReactJS?

-What is the difference between a stateless and stateful component in ReactJS?

-How would you manage state in ReactJS?

-How would you perform routing in ReactJS?

-What is your understanding of the virtual DOM?

-How would you optimize components in ReactJS?

-What is your understanding of life cycle methods in ReactJS?

-Have you ever worked with any frameworks or libraries other than ReactJS? If so, how well do you know them? 

-Do you have any experience working with APIs or data fetching libraries? 

-Do you have any tips on debugging ReactJS applications?

-What is your biggest accomplishment as a ReactJS developer?

-How have you helped increase productivity on previous projects?

-What is your biggest challenge in ReactJS development?

How to Avoid the Hassle of Hiring the Ideal ReactJS Developer?

If you’re looking for a ReactJS developer, you can do a few things to ensure you hire the right person for the job. 

• First, ensure they’re experienced with ReactJS and familiar with the latest best practices. 
• Second, ask them about their experience with similar technologies and frameworks. 
• And finally, be sure to ask for references from past clients. 

By following these tips, you can avoid the hassle of hiring the ideal ReactJS developer.

Conclusion 

After considering the React interview questions, the hiring manager should ask the developer if they are familiar with concepts such as flux and redux. Furthermore, it would be beneficial to inquire about their experience with unit testing and how they would go about setting up a component. Last but not least, ensuring that the developer is comfortable working in a team environment and can take on constructive criticism is essential.