Amazon

First round OA. Second round is a 4-hour back-to-back interview with senior engineers and group leadership, targeting mainly algorithms and data structures. The first two hours are general; the last two are technical.

1 loop interview (3 rounds back-to-back) and 1 additional interview. Two LeetCode mediums: * A variation of the right side view of a BST * A variation of K most frequent elements One system design interview (Elevator system) and a lot of LP.

Standard LeetCode-style coding interview. Started with the recruiter screening, attended an interview preparation call (very helpful), and then completed the virtual onsite, which consisted of 4 technical interviews scheduled back-to-back.