1) A machine learning take home assignment . It was a prediction problem using simplest method. 2) Phone Interview with ML Scientist - Basic questions in ML 3) Onsite - 5 rounds of interview Every round focuses on Behavioural questions. Amazon breathes these principals. 1) Presentation - about a project you recently worked on (be prepared to get grilled) 2) Algo and DS - Not what you typically expect. It was more of a design problem 3) ML Application - About a Amazon product design using ML 4) ML breadth - Questions to test on your ML expertise 5) ML coding - Focus is more on functional programming and less on ML.