PayPal Payment gateway / Stripe Payment Gateway and other
Facebook Graph API, Twitter API, Google Maps and other Google APIs. etc.
Location based web application
If you are looking for a developer for your website requirement into reality in the most efficient way in any framework like most popular Laravel and very good CodeIgnitor or in CorePHP then this is the best place.
I will make Laravel/CodeIgnitor/CorePHP website and script for you more perfectly your budget.
Let me know your great idea.
Please contact me before placing order, because want to about your requirements.