Source code control: Yep. There's a slow transition from Monticello to Git but tools are still subpar. Trying to integrate thing that are not Smalltalk code into monticello is a pain.
Continuous integration: Yep. Everything is doable from the command line. The Pharo guys actually build everything with Jenkins (https://ci.inria.fr/pharo/).
Deployment: I use ansible to provision my server and to deploy webapps. Nothing really fancy (https://github.com/fstephany/hello-pharo/).
My everyday job involves Ruby+Rails, Objective-C and Android development.
Programming in Pharo Smalltalk feels much better than any of those but in the end of the day, those tools get us faster at the results our clients want (usually some kind of mobile app with a backend).