You should check out my current projects.
You can contact me via Twitter.
I was tech lead with them from 2009 to 2013, building the enterprise platform serving 35 million users and sending out 2 billion messages every month.Ruby, Rails, Android, Facebook API
I made this app at NASA Space Apps Challenge at Delhi in April 2013. It allows you to submit spots in the planet to NASA where satelite imagery is needed but missing.Ruby, Sinatra, MongoDB & Google Maps API
I made this app for events like Pullathon. It lets you randomly browse open issues from GitHub repositories that you follow.Ruby, Sinatra, GitHub, OAuth