Magento Expert Needed 24/7 for Tech Support and Development

Hello, I need to hire a magento expert team. Here is what we need: -24/7 support for technical problems -24/7 support for development -communication in clear and understandable English -Overseas support is ok as long as you are available online for chat Please let me know what experience you have with the following: -Increase Magento site speed -Godatafeed dot com integration with Magento -Help with A/B testing and related extensions -Helping us locate certain areas of magento so we can add seo tags and text -Helping us locate and improve automated customer emails such as order confirmations etc -A good recommendation and implementation of a cross sell and up sell extension -Development of an "add a free gift" pop up, or extension recommendation and impementation -Help us edit such pages as "site under construction" and 404 pages In order for your quote to be considered, please let me know: -Years of experience with Magento community edition -Sites you have developed/worked on in the past -USA references we can contact about your work quality -Please prove you are fast, efficient, and an expert