Hi there, i have reviewed your requirement of web app. I have reviewed it properly and i can do this as i have a good team here in India for development designing of web app and websites and
Relevant Skills and Experience
E-Commerce Development - Magento Developer - PSD to HTML5, HTML, CSS, CSS3, PHP, PHP5, javascript, MySQL, AJAX, JQuery, Bootstrap, node js, Codeignator. - Front-end & Back-end Website
Proposed Milestones
$2000 USD - complete
Please let me know which language you will prefer to develop this?