Wire Framing Expert

I need someone who can help develop a detailed functional requirement document for a web App we are building. Must know how to create UX wireframe mockup and user flow for mobile and web that will serve as a roadmap for our developers. It will ideally contain all pages on the web app with screenshots and also describing what each buttons functionally do for each user category.
Wireframing (Low & High-Fidelity)

MUST KNOW the below:
Wire Framing/User J
User Flow
Information Architecture
UX (User Experience)
UI (User Interface)
Mockup
Iterative User-Centered Design
Prototyping
UX wireframe mockup and user flow for mobile and web