Smashing Magazine’s job board has a large selection of jobs posted. There is a good variety of freelance and full-time jobs, as well as both design and development.
37signals also has an active job board. Theirs has more postings for development jobs, but still a goo number of design jobs.
Authentic Jobs focuses exclusively on design and development, and there are a good number of listings.
Coroflot has an active job board that includes jobs in all different types of design.
CrunchBoard focuses on tech jobs, including web development.
Almost all of the jobs posted at ReadWriteWeb (which is currently more than 100 jobs) are in the programming/development category.
Ars Technica includes a large selection of IT and programming jobs, with a smaller, but still decent, number of jobs in the design category.
Ajaxian has a good selection of development jobs, but very little for design.
Slashdot has another tech-focused job board that includes a number of development jobs. However, there are not as many listings as most of the others mentioned so far.
Wired has a popular job board with a lot of listings in development and programming.
Mashable’s job board includes web development, although there is not much in the area of design.
Creative Hotlist is a rather large job board that includes jobs in a variety of creative fields, including design and development.
The job board at Favourite Website Awards includes a number of jobs in both design and development.
design:related has a somewhat active job board that includes jobs in design of all kinds.
AIGA has a good number of jobs listed, mostly for web and graphic design.
Freelance Switch includes web design and development along with other types of freelance opportunities. Users must pay $7 per month to get access to contact information for those posting the jobs.
CenterNetworks has a good mix of design and development, but not as many jobs as some other boards.
Just Tech Jobs lists jobs from over 100 different websites.
Zend is a good place to look for PHP work, but there not all that many jobs listed.
Jobs on the Wall is another new job board from a leading design blog. There are not a lot of jobs posted, but the quality is good and this job board is likely to grow.
The Behance Network has a fairly small job board that includes design jobs.
Krop is a large job board for design and development. Its listings are displayed on a number of other websites and blogs.
Highend Careers includes design and development, among other things.
Freshwebjobs includes design and development, but very few jobs have been posted recently.
ProgrammerMeetDesigner is a site for collaboration among designers and programmers/developers.
The SitePoint Marketplace includes a section called “Looking to Hire” that includes opportunities for designers and developers.