People who assign vague tasks to you, without any context or anything remotely resembling a brief, for a project you know almost nothing about. And then expect you to be able to magically work out what they're actually wanting. Whilst demanding ridiculous turnaround times. I mean, are you fucking serious?

Deploying something to production without testing it first because it "should" work.

We've been using a recruiter who works out of the same business park as us. They purport to be "specialists in technology".

Somehow a conversation got started and I ended up explaining how we make use of open source software, where possible.

Their response: "That's the free one, right?".