Amazon Marketplace Repricer using PHP, AWS,S3,EC2 to Magento

Repricer for Amazon Marketplace -Using Amazon API MWS / AWS -Using Amazon API Product Advertising to find lowest seller on a asin post with Shipping and Price. and checking our Floor and Ceiling price we will post pricing to match lowest price on amazon for those ASIN. We will need it to automatically send to amazon MWS so it will auto upload our pricing as well as give us logs and excel verison of what was uploaded. This will be a addon onto our Magento Site and will be hosted by Amazon AWS S3 and EC2. They will need to install it on our cloud instance. Knowledge needed 1) PHP / MYSQL 2) Amazon API MWS 3) Amazon API AWS 4) Knowledge of Amazon S3/EC2 cloud system 5) magento please only hardcore programmers/bidders.