Ruby Developer Interview Questions

830 ruby developer interview questions shared by candidates

- Please tell us your name, where you are based, and more about yourself outside of work - for example, what do you like to do with your free time? - Please tell us more about your work experience. Walk us through your career journey and tell us why you would like to join our team.
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Full Stack Ruby Developer

Interviewed at SimplePay

3.4
Dec 6, 2025

- Please tell us your name, where you are based, and more about yourself outside of work - for example, what do you like to do with your free time? - Please tell us more about your work experience. Walk us through your career journey and tell us why you would like to join our team.

What is the difference between the `map` and `each` methods in ruby? What is the difference between `find(id)` vs `find_by(id: id)` What is the difference between `destroy` vs `delete` What is the difference between `where(name: name)` vs `find_by(name: name)` What is the difference between `before_each` and `before_all` in RSpec?
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Ruby On Rails Developer

Interviewed at springbig

3.8
Mar 23, 2021

What is the difference between the `map` and `each` methods in ruby? What is the difference between `find(id)` vs `find_by(id: id)` What is the difference between `destroy` vs `delete` What is the difference between `where(name: name)` vs `find_by(name: name)` What is the difference between `before_each` and `before_all` in RSpec?

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