• Developed complex SQL solutions for the back-end of an expert system for the financial industry. • Employing Recursive Common Table Expressions in PostgreSQL developed complex predictive models for analyzing the Foreign Exchange markets. • Developed a PostgreSQL data warehouse back-end for use in an on-line fantasy sports line-up prediction system. Provided the complex SQL to digest the extensive sporting statistics provided by multiple RSS and HTML data feeds and consolidating them into meaningful predictions for the users of the on-line application. • Developed REXX programs for preprocessing CSV files and other data formats for import into the database.