Heroku (San Francisco, CA)
* Erlang developer - <a href="http://heroku.theresumator.com/apply/VAmX9t/Senior-Erlang-Infrastructure-Developer.html" >http://heroku.theresumator.com/apply/VAmX9t/Senior-Erlang-In...</a>
* Rails developer - <a href="http://heroku.theresumator.com/apply/PZBnE5/Rails-Web-Developer.html" >http://heroku.theresumator.com/apply/PZBnE5/Rails-Web-Develo...</a>
* Infrastructure developer - <a href="http://heroku.theresumator.com/apply/AelMOG/Platform-Infrastructure-Developer.html" >http://heroku.theresumator.com/apply/AelMOG/Platform-Infrast...</a>
And others, including non-engineering: <a href="http://jobs.heroku.com/" >http://jobs.heroku.com/</a>
Ask HN: Who Is Hiring? (August 2012)