Washington: US President Joe Biden is doing everything he can to improve the process related to the sought-after H-1B visa, Green Card backlog and other issues related to the country’s legal immigration system, the White House has said. The H-1B visa is a non-immigrant visa that allows US companies to employ foreign workers in speciality occupations that require theoretical or technical expertise. Technology companies depend on it to hire tens of thousands of employees each year from countries like India and China.Washington: US President Joe Biden is doing everything he can to improve the process related to the sought-after H-1B visa, Green Card backlog and other issues related to the country’s legal immigration system, the White House has said. The H-1B visa is a non-immigrant visa that allows US companies to employ foreign workers in speciality occupations that require theoretical or technical expertise. Technology companies depend on it to hire tens of thousands of employees each year from countries like India and China.