CrowdFlower - San Francisco, CA (Mission District) INTERN, REMOTE, H1B all OK.
We are changing the way the world works by sending millions of tasks a day around the world to our network of millions of people.  You can learn more at <a href="http://crowdflower.com/company" >http://crowdflower.com/company</a>
We're hiring front end and back end engineers (Rails/Bootstrap/Hadoop/etc).  Also hiring account management, sales, marketing and admin.  You can check out our jobs page here <a href="http://crowdflower.com/company/jobs" >http://crowdflower.com/company/jobs</a>.
Ask HN: Who is hiring? (May 2013)