US have always been largest attracter of immigrant workforce from across the world. IT industry which counts for the largest fortune 500 companies with their corporate offices in USA has been the major puller of migrants from India and other Asian economies. If you have the requisite talent for the profile the challenge lies in getting an employment visa for USA. There are various forms of visa for different forms of employment as per the Immigration rules of the country. There are different visa options for permanent and temporary employment. The rules related to temporary employment are defined under Section 101(a)(15) of the Immigration and Nationality Act of USA. Some of the common temporary employment visas for US are:

1. H1B for certain foreign professionals in specialty occupations
2. H2A for temporary agricultural workers from certain designated countries
3. H2B for seasonal temporary agricultural laborers who are involved in seasonal work but there is the limit in the numbers of applications per year
4. L1A & L1B visa is specific for professionals who are working with subsidiaries of US corporation and who need to migrated to US for some specific work

As the process is complex and the visa category is critical looking for the H1B visa is the right way to achieve your goals, two forms of classification for Employment Based Visa For USA which you can apply depending upon your nature of work.  On the other hand employment US visa for permanent employees the classification is bit different. The preference category for permanent employment is:

1. Priority workers are meant for people with special skills or ability in arts, science, education , business or athletics 
2. Professionals with advanced degrees and exceptional ability are meant for professionals with advance degree or exceptional abilities in arts ,science or business
3. Skilled workers and unskilled workers specially for skilled or unskilled workforce with just 2 years of specific field related training or work experience. Meant for low end skill jobs.
4. Certain special immigrant professionals involved in religious activity, employees with US foreign services and former US government employees.
5. Immigrant investor, this is a special category of permanent employment Visa for US for people who are looking to invest in US enterprise in cash, stock or directly into operations. Professionals under this category can also claim for permanent residency of their dependents in near future.

 So to full you US job dreams you should be able to understand the category in which you likely to fall. In case of employment most of the time the employer is responsible for getting visa for you or otherwise if want to do it yourself you can reach out a Immigration Lawyer New York  for help.