I applied online. The process took 3 days. I interviewed at HighRoads
Interview
A telephone interview was arranged within two days after application via email. Interviewer called earlier than the scheduled time. Questions were mostly of technical nature, one of them included solving an algorithm problem on the fly.
Interview questions [1]
Question 1
If there is a collection of integers with no particular order and with possible duplicates, how do you find out which numbers in the range of 0 to 99 are missing in this collection, and how is the time your solution will take related to n, the size of the collection?