HR reached out by email, after that two round of technical interviews set up at one time. No behavior questions about the Amazon 14 leaderships. First call from a hiring manager, all the questions are about easy machine learning like regression, model selection and data manipulation. Second call from an applied scientist, machine learning question plus simple ab test. Whole process last for two weeks.

Phone screen interview Then onsite interviews: 5 interviews two on coding and three on science and a tech talk You choose a topic for the presentation The science interviews are: one on science depth, one on science breath and one on science applications