Magento Multivendor Marketplace - Dev and Design

I'm looking for a web developer and designer to build a magneto website using multivendor marketplace. I already have the design theme chosen. This would be a website that customers can login and gain access to the marketplace items that our vendors have available. These items will be digital items, no shipping involved. Our clients will have the choice of buying or leasing the item. I also would like to automate some of the manual processes that are needed to deliver the digital item to the client. I would also like someone that can integrate the data with Zoho CMR, Zoho Books, and Adobe Sign.