They probably should have made me sign a NDA, but I never did.

I was a wee little front-end devloper for a really small dev shop. The lead devloper, who was also the only back-end developer decided to quit. The company was in the middle of a huge project with Rolls-Royce aerospace. I managed to learn ColdFusion and release the application in only a few months. It was basically a giant warranty management application for jet engines. This is one app I wish I can go back and redo because if I had the expierence then that I do now... I feel like it would be so much better. That application allowed me to advance in my career, and 5 years later, I'm working for one of the largest development companies.