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Ruby On Rails Engineer Interview Questions

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566 ruby on rails engineer interview questions shared by candidates

1. You begin to notice that your Rails app is loading slowly. It takes 8 seconds for a specific controller action to render. How would you troubleshoot this? 2. You are working on adding comment functionality to your Rails app that will allow users to leave comments on various models. You realize that there will be a collection of forms and model code that will be duplicated across a few models. What are some strategies you can employ for reducing duplication and bloated Active Record models? What are the pros/cons of each strategy? 3. N+ 1 code 4. Fixing rspec test cases and adding more test cases
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Ruby On Rails Developer

Interviewed at Brainstorm Force

4★
Sep 10, 2023

1. You begin to notice that your Rails app is loading slowly. It takes 8 seconds for a specific controller action to render. How would you troubleshoot this? 2. You are working on adding comment functionality to your Rails app that will allow users to leave comments on various models. You realize that there will be a collection of forms and model code that will be duplicated across a few models. What are some strategies you can employ for reducing duplication and bloated Active Record models? What are the pros/cons of each strategy? 3. N+ 1 code 4. Fixing rspec test cases and adding more test cases

- Describe the continuous integration and delivery process with a diagram and tell us three tools that you would use - What was the most difficult challenge/situation you had to overcome in your professional life? What did you learn with that? - A question to explain the difference between SOA and REST - A question to explain when you should use NoSQL and relational databases
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Chief Software Architect - Ruby On Rails

Interviewed at Crossover for Work

4.1★
Mar 23, 2018

- Describe the continuous integration and delivery process with a diagram and tell us three tools that you would use - What was the most difficult challenge/situation you had to overcome in your professional life? What did you learn with that? - A question to explain the difference between SOA and REST - A question to explain when you should use NoSQL and relational databases

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