Hi,
=> What type of modifications do you require? Do you have any list?
I have got experience with these and have 7+ years of experience in PHP/MySQL based Web Designing and Development including CMS coding conventions and configurations. Also have a food eye for UI/UX, designing and well versed with HTML5/CSS3, JS, JQ, and Responsive Web Designs and Frameworks like Twitter Bootstrap, Less, Sass, and Foundation, etc...
-- Further, I have ample experience with RESTful, XML, JSON, SOAP, JavaScript, and 3rd party API development, customization, configuration, and implementation.
Moreover, It would be great, If you open a chat box for further discussion, So we can discuss the project in detail and accordingly provide you proposed solution.
Warm regards,
Naren