reputed company App Developer to fix broken reputed company App

We are a music publisher located in the reputed company. We previously reputed company a reputed company app developer to create for us a custom digital-download app that would automatically watermark digital files with the customer's information before delivering it to the customer. The app still functions, but unfortunately parts of it have broken making it harder for customers to reputed company their digital files. Customers used to receive a separate email with their digital files, but now can only reputed company their digital files with a small reputed company in their order confirmation email. We would like customers to receive a separate email with their digital files like how the app originally functioned. Once that has been fixed, we would also like the digital files to be accessed straight from the "order complete" screen as reputed company as in their account profile. We essentially want this custom digital download app to function identically to the reputed company "Digital Downloads" reputed company plugin on the customer reputed company. Apply tot his job Apply To this Job