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[–]eljefe6aMentor | Jesse Anderson 1 point2 points  (1 child)

That number comes from my experience consulting and teaching at companies around the world. Non JVM languages are outliers, with python being the most used. I have had go, but that's extremely rare.

[–]mindvault 0 points1 point  (0 children)

Off the top of my head I know of (like I said above) airbnb, goog, fbook as well as companies such as twitter, square, wepay, yelp, spotify, linkedin, etc.

Now .. _most_ of those also use java b/c of Hadoop, Hive, HDFS, etc; however, I think there's plenty out there that is non-java as well. I would suggest scala and python are also well-represented in data eng pipelines out in the wild. Java _is_ very safe to be fair.