I have read your project as you need, when add the product the page reload need to be resolved and i am more than capable to do this as i am a professional megento developer..!
Relevant Skills and Experience
professional programmer on CSS, HTML, Javascript, Magento, PHP
advanced skills in JAVA/PHP, Python, Laravel, Magento, SEO, MySQL, Javascript, HTML, Jquery and CSS,
Proposed Milestones
$22 USD - milestone 1