Hi,
I have gone thoroughly your job details and clearly understand your expectations that you need to upgrade/modify your current eCommerce website as per your job specifications,
* Existing paypal script needs to be modified with your new paypal adaptive payments script (split payment).
* Amazon Bucket upload script needs to integrated with your current upload script.
Please share the URL of your existing website and initiate an interview on freelancer/skype for detailed job requirements.I can assure you that I am enough capable to deliver you the successful job, exactly as per job requirements and am ready to start immediately.
Kindly go thorough following relevant websites that Amazon/eBay API
[login to view URL]
[login to view URL]
[login to view URL]
Indeed, I am new on freelancer portal, but I am having 4+ years of experience in Integrating 3rd party APIs like Payment Gateways (PayPal, [login to view URL], etc.), Shipping Modules (UPS, FedEx, USPS, DHL, etc.), Aweber, aMember, MailChimp, GoogleMap, Google Analytics, and Social Media API, etc.
Looking forward to hear from you, and also available on Skype for complete discussion.
Regards,
Arun