I must preface this by saying that I am not a math PhD (though I am intent on becoming one), but I have met several from UC Berkeley and can say that getting a job in industry is not always dependent on specific field of study.
I know someone who was a topologist who got a job at an international bank, with, so far as I know, no training in the area. He did comment that, in his particular case, he felt a bit underused, but I mention this as an example.
At Berkeley they have a career opportunities for math PhDs, and I can attest to the fact that the most pure of mathematicians have taken jobs that are not at all pure in the sense of without application. There was, in fact, one set of three people who all went on to some form of software engineering.
It's not coming up at the moment on my browser but you might check
http://math.berkeley.edu/~urep
They may have posters from previous such sessions. You may be able to get in touch with some of the speakers I don't know, either by finding their email through the google or asking one of the people in urep.
