OPOWER <a href="http://opower.com/" >http://opower.com/</a> <a href="http://opower.com/careers" >http://opower.com/careers</a>
San Francisco, CA or Arlington, VA. Full Time, Internships
We leverage data and behavioral science to change people's energy consumption habits. Help the environment through energy conservation and help people save money.
Java, Rails, Hadoop, and smatterings of many other things - we have a culture where taking initiative and having a good design will result in a system being used by other people. Great perks and a chill yet super productive atmosphere.
I can speak about openings about software engineers, as I don't keep track of other openings as much. Personally, I'm working on api and frameworks for other developers in the company, so come work with me.  There are also openings for front-end, UX, backend, mobile. Contact me (benson [dot] fung [at] opower [dot] com) if you have questions.
Ask HN: Who is hiring? (April 2013)