1. Both communities are big enough, if you are in Asia, gophers are everywhere 3. If you don't have any knowledge about functional programming, Scala will open

1. Both communities are big enough, if you are in Asia, gophers are everywhere 3. If you don't have any knowledge about functional programming, Scala will open you a new world. It will force you to think in a different way and will introduce you to many new concepts in how to solve parallelism and asynchronous computation using easy concepts like immutability or far more complex like functional reactive programming or duality. 2. I worked with both languages, I liked the fact I was able to write a whole, easy, REST web app in just half a day with Go, but the syntax and the verbosity in error handling, made me kind of crazy. I would definitely say that is a very good language, extremely fast compared to others like Ruby or Python and it can be even a very good complement to Scala. Scala is my favorite language, by far, for server side projects. It requires time to be mastered, there's never a "Scala way" or a single way to solve a problem, but there's (almost) always a best solution. Twitter's scala school[1], for example, is a good place to see examples about when and how to use certain language features. The fact that runs in the JVM, a Virtual Machine with 20 years of development, improvements and optimizations, is almost a killer reason to pick Scala. I worked with Java/Spring/Hibernate in the past, a very frustrating experience, but Scala changed my mind about the JVM and opened a completely new world: Functional Programming. Now I know and use concepts like Monoids, Monads, Future/Promises, Reactive Programming, Actor Model, Duality, etc... without any problem. It's a complete different world and I think it deserves a shot. [1] https://twitter.github.io/scala_school/ https://twitter.github.io/scala_school/