The interview process was fairly lengthy, taking about a month. However, it was not as long as some companies I've interviewed with which can take upwards of 3 months.
The interview consisted of four parts. An interview with the design manager, an interview with the CEO, an HR type interview and a design test.
The feedback was prompt and very accurate at each stage of the interview. Overall the team mates I interviewed with were very pleasant and I could tell they were also extremely knowledgeable in their fields.