Credit Card Processing System
A mission-critical application that performs multi-currency credit card processing for multiple e-commerce web sites. Utilizes a direct connection to the largest payment processing network in the country. Message formats conform to the ISO 8583 standard as adapted by the card processor.

Dynamic Multilingual E-mail Application
An application that generates customizable, multi-lingual, template-based e-mail messages by merging customer, order, and web site data. E-mails are queued using a flexible, event-based triggering mechanism which varies by web site.