Design html Invoice template (for email from Shopify) - Ongoing work likely.

We are looking for a designer to design and set up a html invoice template for us in Shopify. This will be emailed to customers when they purchase from our online store [login to view URL] We are actively building a team and the winning bidder will be given the opportunity to get consistent ongoing work. We will provide you with the required invoice contents and the branding look of our company (including images and fonts), and we would then like a mock-up produced prior to approval and completion of the final coding in Shopify. The final output needs to be an order confirmation email that automatically captures the correct information and looks like part of our corporate suite of documents. Please bid a price for this job and also indicate what your hourly rate would be for future work.