Ruby Developer Interviews

Ruby Developer Interview Questions

"Ruby developers are responsible for developing code to build products using the Ruby programming language. In an interview context, expect to be quizzed on your technical skills through different kinds of computing problems or brainteasers. The specific questions you are asked will depend on what type of programming position you are looking for. Try researching a specific discipline such as web development, application development, or system development."

830 ruby developer interview questions shared by candidates

1. Can you explain the difference between `has_many :through` and `has_and_belongs_to_many` associations in Ruby on Rails? When would you use one over the other? 2. How do you handle background jobs in a Rails application? Can you describe your experience with Sidekiq or any other background processing library? 3. Can you walk me through the steps to optimize an N+1 query problem in a Rails application? How do you usually identify and fix such issues?
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Ruby Developer

Interviewed at Endava

3.5
Sep 23, 2023

1. Can you explain the difference between `has_many :through` and `has_and_belongs_to_many` associations in Ruby on Rails? When would you use one over the other? 2. How do you handle background jobs in a Rails application? Can you describe your experience with Sidekiq or any other background processing library? 3. Can you walk me through the steps to optimize an N+1 query problem in a Rails application? How do you usually identify and fix such issues?

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