I'm a software developer in San Francisco.
I'm currently working as an independent Ruby on Rails consultant.
I'm working on another iOS app, this time using RubyMotion. I've also just started working on a website for software developers. Stay tuned.
imageproxy is an open source image manipulation proxy server written in Ruby as a Rack app. It's a great way to resize images on the fly so you don't have to manually resize them every time your UI design changes. It works quite well in production (but for high-performance applications, there are undoubtedly faster alternatives). Check it out.