UML Design Coaching for Social Media Platform

We are in the development phase of a Social Media website and seeking support for the UML design (mainly class diagrams & structure) in Enterprise Architect. As an experienced UML designer, you provide us with "best practice" design patterns (e.g. how to model multilingual navigation and content, date & time picker, two-tier selection lists [ e.g. material = a) metal > aa) steel bb) aluminium, if b) wood > aa) oak bb) birch etc.]. Further tasks will include coaching and review of structures designed by us. In parallel, we will work on a prototype in Axure. If you have Axure experience as well, this will for sure not be a disadvantage!