Expert in Premiun Press WordPress Theme (Redesign User Interface Homepage)

I need an expert what he used premiun press theme to design my custom child theme, i need a professional in HTML,CSS,Bootstrap 4,PHP, it is a very complicated project so I need someone who knows how to solve the problems it will have with the theme design code, responsive design etc... i need the design to be exactly that of my prototype. Its very complicated project only experts.