They got my resume at the job fair and asked if I wanted to interview. The process took a really, really long time as they probably were dealing with a lot of potential candidates. After the first interview, I was asked to do a coding challenge, which took about 4 hours. it wasn't that hard either though, but thinking about how to make it really efficient was kind of fun. I'm actually still in the interview process (it's taking so long) so I marked that I didn't get an offer below