You may be able to obtain a tourist [B-2] visa usually valid for 6 months, with possible extension for another 6 months period. But a foreigner with B-2 visa is prohibited from seeking employment. You may also be qualified for a K-1 visa as fiancee of a US citizen of you are otherwise qualified, The K-1 visa allows you to enter the US for a maximum 90 day period before which, you must either marry the US citizen and apply for permanent residency in US on the basis of that marriage. If you do not marry within the 90 day period, you must return to your country. If you wish to seek employment and lawfully enter and remain in the US, then, it will be on the basis of temporary employment visa that such as H-1B that must be filed on your behalf by a US company. You should fully consult with an immigration attorney to understand some of the options that may suit your situation.
Answered on Mar 26th, 2013 at 12:56 AM