Improvements to a Prestashop Website

I run a prestashop based website called [login to view URL], I'm not happy with my current web master and I want a developer to help re-design the front page and install some modules which I have purchased from Pretashop Add-ons, such as 1) Amazon API 2) Featured Products Plug-in 3) Link my website with Google + 4) Create a Facebook store 5) Add a Facebook like box plugin to my front page. 5) Install an automated reminder email If successful I would be looking to offer a monthly maintenance / improvements contract