Obviously a JVM stack developer is going to know Java. But in this world of polyglot programming, knowing a bit of JavaScript, Ruby and Scala as well is a must. In fact, it might even make you a ...

If you have the skills, Go, Scala and Ruby are the programming languages most likely to get you job interviews, although JavaScript, Python and Java are the languages most used by developers.

How did Twitter handle election tweets? Less Ruby, more Java As Twitter continues to tweak Ruby performance, it moves more to JVM on servers.