Required Shopify expert designer and developer

We are looking for someone to design our website based on Shopify platform. Please see below the shopify theme details and our requirements. Website Theme: Montreal – It is a responsive theme Theme URL: [login to view URL] Website Introduction: This is an E-commerce portal selling products across India Requirements: a. Designing the colour palette for the website b. Homepage: We need to design the layout of homepage. Preference is for the existing one which can have better UI-UX. It includes creation of banners on the homepage. c. Modifying Page Design: Creation of design for pages including About Us, Blogs pages, Post-Login pages and Product page. All the pages are already created but we want to modify them as per our requirements. Also creating better Header & Footer for the website. It includes creation of banners on the respective pages. d. Making sure that website should be seamless and have perfect UI in all browsers and devices