Temporary Worker (Skilled) visa (subclass 457) The Temporary Worker (Skilled) visa (subclass 457), often known as the 457, enables a non-Australian skilled worker to be sponsored for employment by an accredited Australian business.   The 457 visa has 2 streams: Short-Term stream, valid for 2 years. Medium-Term stream, valid for 4 years. What is the difference … Continue reading Temporary Worker (Skilled) visa (subclass 457)