Hello,
As per your job description i am comfortable to Build an Online Store by using open cart as i have great experience in open cart e commerce website development.
Relevant Skills and Experience
I am expert in php,mysql,html,css,Javascirpt,Jquery,ajax,yii and Codeigniter etc.
Proposed Milestones
$444 USD - I will work as per your specifications.
Additional Services Offered
$1 USD - Support bug fix for free. ( Collateral term : 1 month )
Please elaborate your full requirements in more details with any reference website.