I applied online. I interviewed at American Express (London, England) in Nov 2019
Interview
Had 1 phone interview plus 2 in person interviews. The in person interviews were 1 hour long, 30 min techical interview, 30 min personality interview. The 2nd in person interview was 30 min with more senior people
Interview questions [1]
Question 1
If you have 3 mice arranged in a triangle and each can choose to go left or right, what is the probability they don't collide?
I interviewed at American Express (Gurgaon, Haryana)
Interview
There was an Online Assessment and then 3 rounds of interviews.
The first round was group discussion
Second and third round were both interview rounds with mix of dsa, puzzles and resume
I applied online through company website. There were 2 rounds of interview (Behavioral and technical). Each round consisted of 2 interviewers, first round was junior and second round was VP-level.
For the technical round, the questions were of medium level, 1-2 coding questions and a puzzle was asked. One of the coding questions was from Graphs and the other one was of DP approach.
Interview questions [1]
Question 1
Given a m*n grid. Find the number of unique paths a robot can take if it can only move right or down.
Initial position of robot - top left corner of grid.
Final position - bottom right corner of grid.