Web Developer or related skills are generally on the State Sponsorship List for one or more Australian States/Territories:
Australian Capital Territory http://www.business.act.gov.au/skilled_and_business_migration
New South Wales http://www.business.nsw.gov.au/live-and-work-in-nsw/visa-and-migration
Northern Territory http://www.migration.nt.gov.au/
Queensland http://www.workliveplay.qld.gov.au
South Australia https://www.migration.sa.gov.au/
Tasmania http://www.migration.tas.gov.au/
Victoria http://www.liveinvictoria.vic.gov.au
Western Australia http://www.migration.wa.gov.au
The State Sponsorship List is updated regularly so you need to review each of the related migration websites for latest updates.
Also review the New skilled occupation list Australia July, 2013 – 2014 to see if Web Developer exists in the List.