"Who's Hiring" threads on HN: http://bit.ly/cPTz5Q

http://craigslist.org/

http://indeed.com/ [aggregator]

http://jobs.37signals.com/

http://careers.stackoverflow.com

http://authenticjobs.com/

Tech-specific boards like:

http://jobs.rubynow.com/

http://djangogigs.com/

http://www.python.org/community/jobs/