How can I come to the United States and work on a temporary basis? To come to the United States and work on a temporary basis you must have your prospective employee filed a non immigrant petition on your behalf with the United States Citizenship and Immigration Services.
To check on the category of non-immigrant temporary worker classifications you can go to the Homeland Security website and click on the link temporary workers. If you are successful in receiving permission to temporarily work in the US you may be required to pay US taxes you can go to the IRS website and get the tax information.
There are some classifications that do not require you to have a future employer file a non immigrant petition for you they are E-1,E-2 E-3 and TN. You can check on the Homeland Security website for more information on these categories..