We are a team of designers and developers with expertise and experience in Photoshop, HTML5, CSS3, PHP, AJAX, JQuery, Angular JS, XML, Wordpress, Joomla, Shopify, Bootstrap, CodeIgniter, Laravel, Google Map API and MySql.
We have delivered many websites in Wordpress and have coded filters etc. both on Wordpress and core PHP sites. I have read your requirement overview and have studied the reference site. The requirement is very doable. HoweverI am not sure I understand it in context of your site. So please explain. It will help if we can chat here or on Skype.
Once I am clear on the requirement, I will be able to assess scope of work precisely. I will revise / confirm my bid accordingly. Detailed specifications and inputs will also help me to make an informed commitment and deliver as required.
I ensure a very thorough job and also support if you need changes / enhancements in future. I look forward to hearing from you and working on the project.