I was contacted about 1 week after applying online and set the interview for the next week.

The interview took place over the phone.

The questions focused quite a bit on the programming language and also included a problem to solve at the end.

Overall, the interviewer was very nice and helpful and knew what he was doing. Among other things, he was really interested in why I chose this company.

Among other language-related questions, I got the "Best Time to Buy and Sell Stock" problem:

Say you have an array for which the ith element is the price of a given stock on day i.

Design an algorithm to find the maximum profit. You may complete as many transactions as you like (i.e., buy one and sell one share of the stock multiple times). However, you may not engage in multiple transactions at the same time (i.e., you must sell the stock before you buy again).