Optiver

First, I had a non-technical phone screen with the recruiter. Then, I was invited to complete a comprehensive HackerRank challenge. This test, which was to be completed over 72 hours, assessed system design, data structures, and algorithms. No singl

I applied online. The process took 3 weeks. Pretty streamlined that consisted of an OA, behavioral, and tech screen. Very standard behavioral questions. Standard C++ LC medium question about implementing a class, analyzing time and space complexity,

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