More than 31,000 jobs were advertised online in August for technology jobs in the Seattle metro area, a 7 percent increase from the same month last year and an increase of more than 160 percent from four years ago, according to Wanted Analytics, a firm that tracks online job ads.

Seattle, nicknamed “Silicon Forest” because of its emerging technology market, has started growing at a faster rate than “Silicon Valley,” which includes the San Francisco and San Jose, Calif., areas.

Software developers had the greatest demand in August with 13,000 jobs advertised online and year-over-year growth of 17 percent. IT project managers experienced the greatest year-over-year increase, with 23 percent more online job ads compared to the same month year last year.

Not all occupations grew in demand in August. Web developers, network and computer systems administrators, software QA engineers and testers, computer user support, and programmers experienced declines from last year.

The most in-demand technology jobs in Seattle include:

1. Software developers (applications)
2. IT project managers
3. Web developers
4. Network and computer systems administrators
5.  Computer systems analysts
6. Software quality assurance engineers and testers
7. Computer user support specialists
8. Computer systems engineers/architects
9. Computer programmers
10. Software developers (systems software)