Applied through their website.

Was contacted via email and invited to take an online IQ test. A phone interview followed that, with basic questions about my previous work, likely to assess communication skills. One binary search question was asked.

The in-person interview was conducted by two employees, who asked a series of small programming questions. You are given a small pad of paper and a bunch of dull pencils. Bring your own pencil!

Reverse the digits of a number without casting it to a string.