Wordpress eStore setup and config expert - fixed price

Looking for an expert to assist in setting up Wordpress eStore and regular maintenance when required. - Majority of the website has been set up and only requires an experienced Wordpress user to quickly configure the shopping cart with paypal and other required settings to have the store running smoothly - Must also assist with email generations - Must be able to perform tests end-to-end - Must be able to add changes/upgrades to store, therefore website design is a must. - Freelancer MUST be available when required. Therefore, freelancer must be able to answer emails within a reasonable time (depending on the time difference). website is going live 1st March. Therefore, a quick turn around is required.