Below is a list of links to immigration and work visa information for various countries
Australia
http://www.border.gov.au/Trav/Work
Canada
LMIA
http://www.cic.gc.ca/english/helpcentre/answer.asp?q=163&t=17
Foreign workers
http://www.cic.gc.ca/english/work/apply-who.asp
International experience Canada
http://www.cic.gc.ca/english/work/iec/apply.asp
France
Immigration
http://www.france-immigration.com
Germany
Working in Germany
http://www.bamf.de/EN/Migration/Arbeiten/arbeiten-node.html
Hong kong
Work Visa
http://workinginhongkong.com/working-in-hong-kong/
Japan
Work Visa
http://www.mofa.go.jp/j_info/visit/visa/long/index.html
New Zealand
Work and live Permanent or temporary
http://www.immigration.govt.nz/migrant/stream/work/
Norway
Work in Norway
https://www.nav.no/workinnorway/en/Home
Sweden
Work in Sweeden
http://www.migrationsverket.se/English/Private-individuals/Working-in-Sweden.html
U.K
Work visa
https://www.gov.uk/browse/visas-immigration/work-visas
Sponsor a worker
https://www.gov.uk/browse/visas-immigration/sponsor-workers-students
Immigration
https://www.gov.uk/browse/visas-immigration/settle-in-the-uk
U.S
Temporary Worker Visas
http://travel.state.gov/content/visas/en/employment/temporary.html
Employment-Based Immigrant Visa
http://travel.state.gov/content/visas/en/immigrate/employment.html