It was good talking to the interviewer. He was making pleasant conversation and giving time to explain the answer. I was confused in one neural network question and could not answer that. The phone call was at some odd time (9 p.m.), and I did not receive prior notification for that.

Phone interview, briefly discussed resume and asked a simple ML question, followed by a coding challenge that took one week. The challenge was NDA.. overall not hard, but did not know how they screened