<p><a target="_blank" href="https://www.sundevs.com/staff-augmentation">Hire Node.js developers </a> can be a hard job because there are a lot of solutions and frameworks in the market that permit us to write code in the back-end such as Sails, NestJS, Feather or Express. You can save some time by asking the developer questions about all those frameworks’ bases. </p>
<h4 id="find-here-10-key-questions-for-a-job-interview">Find here 10 key questions for a job interview:</h4>
<ol>
<li>What is the event loop in Node.js?</li>
<li>What are Streams?</li>
<li>What is the purpose of “module.exports”?</li>
<li>How can you configure properties for different environments (production, development, etc.)?</li>
<li>How do you obtain the variables and property values passed through URL (GET method)?</li>
<li>What is a middleware?</li>
<li>What is an EventEmitter?</li>
<li>What is package.json and what is it used for?</li>
<li>When should we not use Node.js?</li>
<li>What is the difference between blocking and nonblocking code?</li>
</ol>
<p>With these questions, a CTO or IT recruiter will be able to know the skills of a  <a target="_blank" href="https://www.sundevs.com/blog/how-to-hire-nodejs-developers-10-key-questions-job-interview">NodeJs developer</a> and facilitate their hiring process. </p>


[Hire Node.js developers ](https://www.sundevs.com/staff-augmentation) can be a hard job because there are a lot of solutions and frameworks in the market that permit us to write code in the back-end such as Sails, NestJS, Feather or Express. You can save some time by asking the developer questions about all those frameworks’ bases. 

#### Find here 10 key questions for a job interview:

1. What is the event loop in Node.js?
2. What are Streams?
3. What is the purpose of “module.exports”?
4. How can you configure properties for different environments (production, development, etc.)?
5. How do you obtain the variables and property values passed through URL (GET method)?
6. What is a middleware?
7. What is an EventEmitter?
8. What is package.json and what is it used for?
9. When should we not use Node.js?
10. What is the difference between blocking and nonblocking code?

With these questions, a CTO or IT recruiter will be able to know the skills of a  [NodeJs developer](https://www.sundevs.com/blog/how-to-hire-nodejs-developers-10-key-questions-job-interview) and facilitate their hiring process. 

10 key questions for NodeJs developers job interview

Find here 10 key questions for a job interview: