Depends on what the requirements are. If its a CRUD backend, its hard to beat Ruby on Rails on Heroku. I tend to shy away from backends as a service because o

Depends on what the requirements are. If its a CRUD backend, its hard to beat Ruby on Rails on Heroku. I tend to shy away from backends as a service because of situations like Parse shutting down. They're worth considering if its a short term project for a client.