Design a website with backend

We are a food company looking to start a online ecommerce website. 1) We will require a responsive website 2) ability to store customer data and food item information customer data will be used to a) calculate required calories b) be analysed by a dietician to make changes in macronutrient profile c) observe trends in caloric consumption and weight gain or loss food item information will be used to calculate a) amount of calories per food item b) store ingredient list c) store food cost per item produced d) calculate total amount of raw food needed for orders given e) specific amount of protein/carb/veggie for each package(given individual profile) As such we need to capture data and have to ability to manipulate the data on the back end effective having two views 1) for dietician to change micronutrient profile for client 2) for us to upload new recipies and to have it load into the system 3) label printer template for bulk printing of food items we will need to have customer name, meal option, calories, ingredients, expiry date We would like a website feel similar to [login to view URL] [login to view URL]