Wordpress and Shopify Pro Required

I need a WordPress / Shopify website with the best UI for this I need a professional who has done similar work in the past and can suggest me some templates. This will be an ongoing job and you will be working on ongoing maintenance and some other related tasks.

My products will be various types of mobile accessories that can be delivered USA and CANADA.
Check this link and let me know a valid timeframe for this.

Thanks