Need Senior WordPress

Hello,

I am looking for a person or a team specializing primarily in the User interface and development on WordPress.
But who it is to make decisions and give us ideas in order to customize to the maximum features
In this beautiful theme: https://brynn.qodeinteractive.com/
I would like to develop 4 pages maybe 5
(Home, Portfolio, About Us, Contact)

Please note that I do not intend to integrate an online store