I applied online. The process took 4 weeks. I interviewed at Amazon (Edimburgo, Escócia) in May 2021
Interview
First homework: regression on house pricing on uk house sales dataset. Second interview: describe a project you worked on w.r.t. ML and related questions. ML basics questions. Coding challenge and behavioural interview as last.
Interview questions [1]
Question 1
Describe Logistic Regression, how it works in a specific use case described (vategorical features encoding, dimensionality reduction, feature selection). Optimization of the model: minimize - log likelihood (cross entropy), how it works (gd).
I applied online. I interviewed at Amazon (Bellevue, WA) in Mar 2021
Interview
2 phone screen interviews, 5 rounds of technical on-site interviews plus one research presentation. Every round has two programming problems, hard and easy/medium plus some machine learning-related questions. Also, some simple machine learning system design questions, do not have to be very complete.
Interview questions [1]
Question 1
Many objected-oriented design programming problems. Every round has two coding problems. The content ranges from complex trie structure design with specific functions, weighted graph problems, etc, and some machine learning-related problems. Better know some state-of-the-art techniques.
I applied through a recruiter. I interviewed at Amazon in Mar 2021
Interview
Connected with the hiring manager on linkedin. First, I received a phone screen from a HR. I was arranged for two round phone interviews. Not received any more further interviews.