Before, I use Scala + Finagle. Right now, I really like using Flask for my REST APIs. It's so lightweight and easy to set up. I still use Scala though for data

Before, I use Scala + Finagle. Right now, I really like using Flask for my REST APIs. It's so lightweight and easy to set up. I still use Scala though for data / computation intensive code. The setup is REST API with Flask, add to queue to be dequeue by the Scala worker. I really like the combination.