Curious how many paying users you have.

I won't be too specific, but in the thousands of apps, and enough to support a team of 6 people (we're entirely bootstrapped).

Is there a bias toward a specific industry or application type among your paying users?

Not really, as long as it’s a data driven app (and not a platform game...). About half of our paying users build startup-type, customer-facing products, while the other half is small businesses building internal management tools (like invoicing, custom CRM, etc).

Usually Id run a process in screen and then ssh to check up on it. Does this have any advantages?

Well, you don't have to be at a place with a SSH client for once. Its outputs to a webpage.

I still love Django. With vue.js in the client where necessary.

Vue + django rest framework seems to be a sweet spot for single page apps at the moment.