Backend - https://whimsical.com/backend-architecture-KXfk53Kk7xqy65hdoGufJP

Mobile - https://whimsical.com/mobile-architecture-HKfzhNZ6P7MHcvqSvLdUUA

Web - https://whimsical.com/web-architecture-V3kAEJ3xnYcyCEddDASF9E