Designed, coded and used a complete trading system for a small government securities broker/dealer. The system provided: Order Entry, Daily Trade Blotter, On-line Open Position reporting with current mark-to-markets, recognized gain/loss reporting, confirm generation and management analysis capabilities. The system offered the ability to trade any security, including: Treasury actuals, options, futures and options—on—futures; GNMA's and other pass-through type securities; Eurodeposits and cash positions; Repos and Reverses.