I would like to hire a Web Developer

We have a website for our small business through [login to view URL] that we are happy with and have spent lot of time developing. Squarespace however does not give us the ability to create a more detailed bidding element on our site natively. What we want is to create this custom bidding page and either 1) integrate it into our existing squarespace website, OR 2) host it on our server space at godaddy.com. The bidding page would need to be able to figure the cost of printing a clients t-shirt(s) based on specific variables (shirt type, quantity, number of designs, colors, etc). Design & function would need to resemble - [login to view URL] Once our client fills out the form we want them to be able to see an estimated price for their project and choose to [START YOUR PROJECT]. After they do that we would need them to be able to pay a 50% deposit - we currently use [login to view URL] to process our payments. Lastly, we need them to be able to upload artwork files to a dropbox account folder or google drive account. Once this is accomplished by the client we need 3 things to happen on the backend: 1) email the order to us 2) send the client a confirmation email with details on the order. 3) create what we call a “Run Sheet” that details the order without showing the prices for items (essentially the order sheet without any pricing).