PayPal Senior Software Developer interview questions

Got a phone interview first for 30 minutes. After a day, got onsite interview invitation scheduled next week. Meet 7 people, 30 minutes each. Met two managers, one staff engineer, two senior engineers, two junior engineers. Personaly opinion, the interview was orgnized poorly. some people doesn't show up on time and some people running late.

It all started with a confusion, where my CV was sent to other team and they called me and asked questions on other skill set which I don't have. But the person who took the interview understood this and sent my CV internally to appropriate team. I got another call after a week and cleared it with flying colors.