The initial interviews were great but the coding challenges were tough. Study from the examples online! Leetcode is a great resource and the book Cracking the Coding Interview is highly recommended by them.
I applied online. I interviewed at Amazon (Iaşi) in Mar 2021
Interview
I had an interview with two software engineers from Amazon which were very friendly and kind. One of the problems was the Two Sum problem and the best solution for it which they wanted was sorting and using two pointers tehnique.
First round is debug (10 Q in any OOPs language - Java, C++). Second round is coding (2-3Q in any language, even Python is allowed). Third round is aptitude that mimics the work environment.
Interview questions [1]
Question 1
Reverse the linked list, Given an array of intervals where intervals[i] = [starti, endi], merge all overlapping intervals, and return an array of the non-overlapping intervals that cover all the intervals in the input.