I applied online. The process took 1 week. I interviewed at Mozilla (College Station, TX) in Apr 2015
Interview
Upon applying, I was sent a link to a HackerRank evaluation. This was a set of problems designed to test my ability to write code to solve problems under a time constraint. I was able to chose my language, and was also able to input my own test cases to improve my code.
Interview questions [1]
Question 1
Write a program to determine whether or not a set of brackets is properly formatted (the last opening bracket is closed first, etc.)