Greeting!!!
I have gone through your complete job description and available with required job skills as well as past experience to start this project right now.
I have 7+ years of extensive expertise and proven experience in Website development Opencart, XML, HTML, API Integration, RSS feed, CSS, CSS3, JS and Jquery, as previously completed so many projects similar to this one.
>> Extensive expertise in SEO, Google Analytics, Google Adword, PPC, SMM, SEM and Website optimization.
>> So don't worry I will take care of all your requirements and will deliver you quality of results with in quick turn around time.
Looking forward positively to work upon this project and will also available on Skype/Google hangout for complete discussion.
Thanks & Regards