Price-wise is Uber competitive or is it for the top 10% ?

It's not for the top 10%. It's on the more expensive side of things but a software engineer should be able to afford it. There are other companies like Taxify or Liftago that are cheaper. The public transport works pretty well as well, you don't need to use taxis much if you live here.

But Software engineers are in the top 10%.

(I'm a software engineer and use Uber in Prague every week or two.)

Maybe you're right. Somewhere in this discussion someone was talking about disconnect between the rich and the poor and to be completely honest, I'm completely disconnected. Everyone around me can afford it, I don't know anyone who can't except for my family members who are retired.

It is cheaper than taxis on average.

There are local companies that are a bit cheaper, as others have already said.