Hi,
Greeting!!!
I have read your job detail and I am well familiar with all your requirements. I will provide you the script to add an item to cart, size specification, and checkout with billing, shipping and payment information as well as to load captcha.
Skill Set:
Front End: Angular JS, Bootstrap, D3.Js
Back End: Node Js, PHP, Shopify, Magento, Laravel framework, WordPress, Python, Web Sockets, Codeigniter and Javascript
Database: Mysql, MongoDB
If you need to discuss with me for any kind of suggestions or information, please knock me anytime.
I am looking forward to hearing from you very soon.
Thank You.