Bloomberg - New York, NY and Washington DC - Full Time Ruby on Rails related dev jobs (I'm not from Bloomberg, just noticed it on their careers site)

http://jobs.bloomberg.com/search?q=ruby&location=

(the dates indicate when the job was posted)

Ruby on Rails Developer - Bloomberg Institute Job New York, NY, US Dec 14, 2012

Ruby on Rails Developer Job Washington, DC, US Dec 27, 2012

Ruby on Rails Developer Job New York, NY, US Dec 23, 2012

Bloomberg Government - Web Developer Internship Job Washington, DC, US Jan 8, 2013

Web Front-End Software Engineer Job New York, NY, US Dec 6, 2012

Senior Web Developer - Consumer Websites Job New York, NY, US Dec 23, 2012

Senior Java Developer Job New York, NY, US Dec 23, 2012

Senior Web Developer - Businessweek Job New York, NY, US Dec 8, 2012

Senior Cloud Builder Job New York, NY, US Dec 2, 2012

Web Infrastructure Architect Job New York, NY, US Dec 29, 2012

Senior Software Engineer - Data Visualization Job New York, NY, US Dec 5, 2012

Reliability Engineer - CTO Office Job New York, NY, US Jan 24, 2013