First, they sent an online test. Then, the recruiter contacted me. Next, I had the first face-to-face interview with an engineer. This was followed by an onsite interview. The recruiter was nice. The overall process took two weeks. I received a rejection after two weeks.

Coding interviews were easy to easy-mid.

System design involved designing a notification system. Additional features for special Yelp elites or similar users were also considered. The design then accounted for notifications with respect to location groups, etc.