To make matters worse, they are using Django. I can't take the EU serious any more.
Read this (among other articles on the same subject): https://medium.com/@tk512/django-scales-stop-blaming-the-fra...
What has that to do with the EU?
Django is perfectly capable. I'd use Phoenix for its scalability and performance, if it were me, but I've built large-scale projects in Django before, and it worked well.
What an asinine comment, Django is good enough for several billion dollar companies. It's probably good enough to use in a government capacity too.
What issue do you have with Django?
This is not a situation where you'll have thousands of people editing the same document, that'd be insane with Django for sure - but at general collaboration tooling with <100 (random number I made up) editing, Django is unlikely gonna be the bottleneck