I used to work for a company that built it's main business product in Erlang. It worked well as product, but business wise hiring engineers was the hardest part

I used to work for a company that built it's main business product in Erlang. It worked well as product, but business wise hiring engineers was the hardest part. It wasn't helped that they are based in London, where a certain consultancy snatches pretty much anyone who lists Erlang in their CV.