<p>In another post published, We was writing some of the interview questions that I think are important to us when we are looking to  <a target="_blank" href="https://dev.to/sundevs/how-to-hire-ios-developers-9-questions-for-a-job-interview-2jj2">hire iOS developers</a> . In this case, we're going to expose some questions for an interview for Ruby on Rails developers.</p>
<h3 id="ruby-programming-language">Ruby (programming language)</h3>
<ul>
<li>What is the difference between a class and a module?</li>
<li>What are the three levels of method access control for classes and what do they mean?</li>
<li>What does "self" mean?</li>
<li>Explain what singleton methods are. What is Eigenclass in Ruby?</li>
<li>What is the difference between false and nil in Ruby?</li>
</ul>
<h3 id="rails-framework">Rails Framework</h3>
<ul>
<li>What is the Asset Pipeline?</li>
<li>Explain the "Active record" pattern.</li>
<li>What is a Polymorphic Association in Rails?</li>
<li>Explain the difference between optimistic and pessimistic locking in Rails.</li>
</ul>
<h3 id="security">Security</h3>
<ul>
<li>What is the CSRF? How do Rails protect an application against this security flaw?</li>
<li>How should we store insecure data such as passwords?</li>
<li>Why do we need to use HTTPS instead of HTTP?</li>
</ul>
<p>Let me know what other questions you would use for an interview to  <a target="_blank" href="https://www.sundevs.com/staff-augmentation">hire Ruby on Rails developers</a> .</p>


In another post published, We was writing some of the interview questions that I think are important to us when we are looking to  [hire iOS developers](https://dev.to/sundevs/how-to-hire-ios-developers-9-questions-for-a-job-interview-2jj2) . In this case, we're going to expose some questions for an interview for Ruby on Rails developers.

### Ruby (programming language)

- What is the difference between a class and a module?
- What are the three levels of method access control for classes and what do they mean?
- What does "self" mean?
- Explain what singleton methods are. What is Eigenclass in Ruby?
- What is the difference between false and nil in Ruby?

### Rails Framework

- What is the Asset Pipeline?
- Explain the "Active record" pattern.
- What is a Polymorphic Association in Rails?
- Explain the difference between optimistic and pessimistic locking in Rails.

### Security

- What is the CSRF? How do Rails protect an application against this security flaw?
- How should we store insecure data such as passwords?
- Why do we need to use HTTPS instead of HTTP?

Let me know what other questions you would use for an interview to  [hire Ruby on Rails developers](https://www.sundevs.com/staff-augmentation) .


12 questions for a job interview to hire Ruby On Rails developers

Ruby (programming language)

Rails Framework

Security