Amazon Multi-Variation listing in the Electronic Category with xml, xsd

We need somebody who has experience listing multi-variation listings on [login to view URL] with XML for the Consumer Electronics category with an XSD file. We need somebody who has done this before. The listings will be in the consumer electronics accessories category which is not a typical multi-variation option with Amazon. Many of our listing already exist on Amazon cateloge and we need someone to combine them in parent-child relationship. We only want to work with somebody who has experience with this and would like examples of your previous completed projects. We need everything up and working and in order before payment. We need this project completed as soon as possible. Please let me know if you have any questions regarding this. Thanks