Amazon

Interview Process: Hackerrank test with two questions. Followed by F2F rounds. Every round should be cleared. Amazon doesn't take on overall performance. Prepare more on Leetcode. Some SDE sheets available on the net.

Technical Interview. It started with an introduction, then one project in-depth explanation. After that, the interview began. For 45 minutes, there were two hard-level questions. One was related to a Trie, and the other was an M-ary B-tree.

Trees and graphs are fundamental concepts that require a better understanding of core knowledge. Knowledge of Data Structures and Algorithms (DSA) is most required, so graphs are mostly focused on. At the end, interviewer questioning is a must.