Wayfair Mobile Infrastructure Software Engineer (iOS) interview questions

Screening with recruiter. Given hackerrank link for take home project (2.5 hrs) on creating a simple iOS app. Once feedback was good 1hr project follow up with the grader of the iOS app, describing decisions, pros and cons, and future reusability. Next was the final panel. 1hr behavioral with hiring manager. 1hr system design with 2 staff engineers (this was not a typical system design, but just talking about experience, and git questions. and lastly a 45 min interview with a product manager. Everyone was super nice and accommodating with me the entire interview process as I was interviewing with other companies