I know for a fact that Google uses Scala, I was recently contacted about an open position on an entire team using scala. I've also seen Scalaz artifacts published on maven central under a google namespace (so I assume some project is using scalaz somewhere in google).
What companies are using Scala?
According to the Scala in the Enterprise page (and general knowledge), the following companies are using Scala:
- LinkedIn.
- Twitter.
- Foursquare.
- Netflix.
- Tumblr.
- The Guardian.
- precog.
- Sony.
What programming language is used at Google?
Python is recognized as an official language at Google, it is one of the key languages at Google today, alongside with C++ and Java. Some of the key Python contributors are Googlers and they continue to use, promote, and support the language actively.
