It's a great start, and I hope you can continue to develop it. Being in Dallas I end up having to actively search out opportunities when I am looking, because the recruiters rarely come to me.
http://nolatechjobs.leesome.com/
I'd be happy to share the code with you and you could switch out the sites I'm scraping with the ones you look at. The whole thing runs on a cronjob that just re-generates the HTML every hour.
I'd love to try your scraper. I've thought about doing something like that before, particularly since I have started doing lots of web scraping for work and I am much more comfortable with it. Do you have any issues with sites that actively or passively discourage scrapers?
My e-mail is in my profile and I'll be happy to send over the code.