Webservice API and Desktop Application for bluk data upload.

Hi We are looking for highly expert and committed development company who can develop professional bug free and fast within 10 days. We have a buying and selling website that we want to integrate with other Multi channel order management software’s like ( Linnwork [login to view URL] [login to view URL] [login to view URL] for that reasons we need to create API that can be called and can update the required functions. 1. Create a New WebServices And API that can be used for 1.1 To upload bluck products. 1.2 To download orders 1.3 To update orders status 1.4 To update inventory levels. 1.5 Synchronize Stock levels 1.6 Login from other websites via API. 2. Create a Desktop application (Bluk lister Tool ) 2.1 Bluk lister can upload all products of the user in one go 2.2 Bluk lister can import products via CSV to upload to the site. All the source code rights and products rights will be with us you guys will just develop for us according to our requirements. For Reference you have to study in detail of Bluk data upload 1- [login to view URL] 2- [login to view URL] 3- [login to view URL] 4- [login to view URL] 5- [login to view URL] Note : We need fully functional software with out bugs and errors and we only pay if you develop with in agreed time frame if you will fail to develop with in time frame we will not pay for the development.