Basic recursion, tree search, hash maps used in the coding challenge questions and they also asked about complexity. The interviewers were all really pleasant and I did not feel interrogated about how much I know which was nice. They were also supportive and communicated to help me navigate minor syntax errors that I would just normally would do a google check for. Overall a long process but was a good experience.
What is a project you've had that involved a database? What is a project you've had that involved a distributed system?
Why do you want to work at Optiver?
Not at liberty to disclose
2) HR Interview: Why should we hire you? ; Are you applying for companies? ; Do you have any interviews lined up?
Binary Tree Traversal, and manipulation of linked list
3 leetcode type questions were given
Design a circular buffer queue implementation.
What do you know about what kind of work is done for this role?
Reverse words in a sentence in O(N) time.
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