Scrum Teams with Different Skillsets Drawing from Single Backlog

1. We have one product backlog composed of items split across: 
   1. Front of store retail activities: view inventory in X fashion in app
   2. Back of store / logistics activities: enable real-time inventory views
       
2. There will be different scrum teams who are developing against this single backlog.
   1. Some with expertise in customer facing UI (front of store)
   2. Some with expertise in ERP (back of store)

My questions: