I have created several websites and web applications using ASP3.0, ASP.Net C#, and PHP.
I have also worked in databases like MS Access, MS SQL Server, MySQL, and sqlite.
Payment Gateway Integration for Paypal, Google Checkout, CCAvenue for several sites.
Helped prevent SQL Injection and Cross-site scripting in several sites.
Shopping Cart development and Order Management system for several sites.
AJAX integration to code could be integrated in the projects Image manipulation, like auto thumbnail creation and watermarking of images done for a few websites.
RSS Feeds and XML integration can be done.
Content Management Systems could be integrated.
I have worked with several online payment tracking and virtual money card sites