I'm coming a little late to this discussion, but I do think that as much as startups want "desingineers", the hiring process makes it very unlikely that they will ever get one. I remember reading Scott Adams's advice on how to get into the top 1% (well, reallu the top .0..1%). One way is to be incredibly good at one thing - like Roger Federer. The other way is to keep combining interesting and related things until yo…
Clients seeking consultants have different interviewing tactics, even though the clients themselves have an engineering background. A good consultant is too expensive / too busy to be asked about detecting loops in linked lists or about how many balls can fill a bus. Therefore for a consultant references and a portfolio are what's taken into account.
And these can be built through hard work. At first you could build something for demonstration purposes and open-source it. Or you could work on a project pro-bono. Of course, consulting requires good marketing skills - but we are talking about generalists here.