Optiver

The first round is an OA round. It has 3 sections: * Two HackerRank problems * MCQs The last part is the game section; most of the questions involve math. Good luck!

Sent resume, then heard back soon after with a HackerRank coding test. The first question was easy, the second question was medium, and the third question was hard and took a long time. Definitely study trees and recursion. You have 24 hours to com

Received HackerRank test. I completed it in Java in about 4 hours. I used an inner class for a node as it required a binary tree. I implemented everything and documented it pretty well. I was flat out rejected, and recruiting told me it's company p