IBM Watson - <a href="http://www-03.ibm.com/employment/watson/" >
We plan to hire 160 developers and researchers focused on NLP, ML, and cloud services in 2014. We hire mostly in the US - main sites are East Village NYC (checkout our new headquarters <a href="http://www.ibm.com/smarterplanet/us/en/ibmwatson/watson-hq.html" >), Yorktown NY, Boston, Raleigh, Pittsburgh, Austin.
Ask HN: Who is hiring? (March 2014)