CS-Cart Client Side File Uploader Modification

We need a modification made to CS-Cart so clients can upload files for their order. The site is a website selling printing, so customers must upload the files they wish to print. AFTER checkout the client should be redirected to a file upload page, listing all the items they purchased, and with a list of upload boxes. For all files uploaded, the webmaster should be able to download the files through a web link. Preferably the files should be stored on the server as zip files. We only want to award this to someone who has CS-Cart experience and is very familiar with their system, and can get this working without it being buggy. Ideally the client should be able to upload a minimum of 100mb file. ## Deliverables 1) All deliverables will be considered "work made for hire" under U.S. Copyright law. Employer will receive exclusive and complete copyrights to all work purchased. (No 3rd party components unless all copyright ramifications are explained AND AGREED TO by the employer on the site per the worker's Worker Legal Agreement). ## Platform cscart