Phase1: Given a take home test to write a program that reads file and calculates customers closest to office based on longitude latitude (spherical distance calculator)

Phase2: Interview call with recruiter about role

Phase3: Technical call with live coding as well as behavioural questions (proud of, went out of line for something, disagreements between teammembers, what would you do differently)

Overall their interview process is described on their blog

Given a stream with HasNext and GetNext, containing points (x,y), write a function that returns N points closest to the origin.