Stealth Silicon Valley company looking for developer

We are a stealth, angel funded startup building a first-of-its-kind web and Facebook App. We are a cutting-edge technology company founded by 4 experienced entrepreneurs: 3 ex-Googlers + 1 of the original developers for eBay.

We are looking for a seasoned software engineer who can take our Facebook application, built in Ruby on Rails, to the next level and be part of the founding team of what could be the next big idea to hit Silicon Valley!

We currently work out of the Dogpatch Labs on Pier 38 in San Francisco. This is a fun, energetic incubation space for us to refine our prototype. We will look for long-term office space later this summer either in SF or on the Peninsula based on team preferences.

Requirements:
* Significant development experience with Facebook Platform
* Significant development experience with Ruby on Rails.
* Development eexperience with JQuery Javascript Framework.
* AJAX/HTML/CSS experience and an interest in user experience and interface design.
Experience Developing and debugging for IE 7+, Firefox 3+, Safari 3+, Chrome
Experience with Facebooker Plugin (http://github.com/mmangino/facebooker) a plus
* Experience and understanding of virality and online game mechanics a plus
Computer Science degree or equivalent work experience required.