One of the first things they teach you about labor is its division. Not everyone gets to go on vacation at the same time. In many submarines, you had fewer bunks than men, because not everyone sleeps at once on a submarine.
Then people sort themselves by skill sets, and levels of skill within those skill sets.
The Djangocon conference, on the other hand, is less about the user-facing interfaces, and more about what the servers need to be doing, fetching and storing data, returning views. Django is a web framework written in the Python computer language, one of several. The original developers hail from Lawrence, Kansas.
Other skills involved in organizing a conference: encourage professionalism among hotel staff; pay attention to your environment, including smells; have a way to print name tags, labels, easily right on the spot.