Amazon

Very difficult for someone without experience. The exercises are difficult to solve and in a short time, especially if you haven't done anything similar before. You have to prepare a lot beforehand.

Long and tedious, where various tests of different types were performed that could take at least 3 hours. So keep in mind to have plenty of time and patience because it is a long process.

Step 1: Automated Screening (DSA mostly, some distributed system concepts) Step 2: Phone Screening (DSA, Behavioral) Step 3: Onsite (4 rounds total) * Round 1: High Level System Design + Behavioral * Round 2: DSA + Behavioral * Round 3: Low