I would like to hire a Shopify Developer

Ontop of the current features found on [login to view URL] I would like an app that has all the features found on preorder me, and additionally, some of the features I would like to pursue is: 1. To be able to create a preorder for a collection, consisting of more than one product. 2. For the "goal" of each preorder to be in dollar amount instead. E.g. Product A and B is from collection 1. Product A is $5. Product B is $10. My preorder campaign for Collection 1 is goaled at $50. Customer 1 decides to buy 1x Product A + 1x Product B: currently, my campaign status would be $15/$50. The next day, Customer 2 decides to buy 1x Product A. my campaign status would now be $20/$50. All my customers on my page has to be able to see the campaign status in dollar amount, than in qty sold. So when my campaign hits $50/$50, I will close that campaign.