Rails scenario based questions
Software Engineer Ruby Interview Questions
832 software engineer ruby interview questions shared by candidates
Why do you want to work at DataDog?
The interview process consists of 3. HR will call you to get to know about you. The first step in the interview process is HackerEarth which consists of 14 Multiple Choice Questions related to the basics of Database, OOP and Ruby on Rails. And there is one medium coding question. If you clear the first step then a interview with senior engineer is scheduled. In this step you'll will tested on the basics of Ruby on Rails and other engineering questions. Third interview will be with the CTO, it involved the basics of Computer science fundamentals of OOP, Database, Networking and OS. if you clear that CTO will ask your salary expectations and an offer will be made
Online test at HackerRank about Graph algorithms
What kind of projects did you participate in?
How to deal with N+1 queries
How would you scale this?
Regular Ruby questions, I had to write two methods/algorithms with some random factor and write unit tests for one of them. After that I got a few questions regarding Rails, Active Record, Relational Databases and stuff like that. Nothing out of the loop or crazy...
What is MVC (Model - View - Controller)?
Relevant technical questions.
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