Took about a month. Pretty standard stuff. First round screen interview followed by a 1 hour technical screening interview and then a final round which consisted of 4 interviews. 2 coding, one system design and one HR interview. The coding interviews were all quite manageable. One of the questions was quite close to binary search trees if I remember correctly. In general the coding interviews were quite pleasant as they were framed more as discussions than a test and the questions asked weren't arbitrary brain teasers like some other interview processes. The guy who did the system design interview seemed a little disinterested and was difficult to read whether he was happy or not with what I was talking about. I felt like I did quite well over the course of all interviews but after a little over a week I was told they went with someone else. When I followed up with the recruiter looking for more detailed feedback as to why I was overlooked, I was ignored which was quite disappointing. The only real negative of the whole process.