Amazon Software Engineer II interview questions

It starts with online assessments: 2 coding challenges ( 2 medium leetcode) System design questions. They give the context, a requirement like “we need this new service or functionality that requieres online communication etc etc” how would you qualify the multiples approaches(from worst to the best) to handle this problem? Then another sections of behavior If you pass the challenge, you will have a system design interview and then if passed as well, the final round that is in site