I need shopify website builder

I would like to start an online coffee store selling speciality coffee beans and coffee brewing equipment. I do not have the expertise in order to ensure the best job is done for my site. I need someone who could design me the frame of thestore so that i can just add on theproducts and edit the wording and so forth . My need is the actual functionality and look ofthe website that i need your assistance in. I look forward to hearing from you soon