Hi,
I am ready to complete all the mentioned 3 points. i would like to review the website URL to understand the exact workflow. I would appreciate if you share the URL. Regarding my expertise, I have expertise with Magento set-up & implementations and configuration, design custom theme/ template from scratch, Customize existing themes, create custom extensions/ plugins, integrate 3rd party tools and APIs, Shopping cart integration etc. I will also provide further support (modifications, Magento upgrades etc). I have also expertise with HTML, CSS3, HTMl5 (responsive design), Jquery, Jscript, mobile Jquery and Twitter bootstrap, Node.js, Backbone.js, AngularJS framework coding.
Hope to work with you soon!
Regards,
Sangram