Amazon

The online coding assignments take about 2-3 hours and consist of 3-4 questions. The second round focuses on the company's culture. The third round is an online interview with three people to go through algorithms.

Four interviews in one day, all in one sitting and back to back. This was quite tiring and exhausting. It would be better if the interviews were spread out over two days, with two interviews each day.

It was very hard, based on DP and behavioral questions. They will ask LP questions for 30 minutes and then start coding questions. Optimization is key. System design is the tough one to crack.