I'm a developer working in London - I've been here for the last five years. Immigrants seem disproportionately represented in the software dev industry (but not

I'm a developer working in London - I've been here for the last five years. Immigrants seem disproportionately represented in the software dev industry (but not IT in general). Quite a few from the EU, but a lot from Commonwealth countries (NZ, Aus, SA). I've always found the mix very strange.