Amazon

A lengthy, frustrating process with zero feedback afterward. They'll invite you back to fail other interviews repeatedly, even though they won't tell you why you're continuously failing. You never have a good sense of how you're actually doing.

The questions asked were about: * Data Structures and Algorithms (DSA) * Binary Search Trees (BST), including inserting and deleting elements * Differences between arrays and linked lists * Time complexity in a hash table * Writing simple programs,

I had two questions that were medium LeetCode problems, both related to math. The interviewer asked a few behavioral questions and was very friendly. They answered any question that I had.