Meet the downsizers who quit the likes of Google and Facebook for a new life at a start-up

The perks of working for a big technology company are pretty obvious: the money tends to be good, the brand is well known, and the user base can be counted in the millions if not billions.

Brian Byrne, a former software engineer at Google, described his role as his “dream job”. Paul Adams, the designer behind the Google+ social networking site, said of his subsequent role at Facebook that it “was a great job and a really great place to be”.

So why did they both move to start-ups?