IBM Watson Software Engineer
Pittsburgh, PA
Lots of positions (Frontend, Backend, QA, Doc, Design)
Technologies used:
Search engine indexer/crawler written in C.
Cluster management, sharding, replication, tiering written in Java.
Connectors written in Java/Scala.
Frontend exploration and visualization written in JRuby on Rails.
Check out all the positions here:
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Ask HN: Who is hiring? (April 2014)