After graduating from law school, Hidalgo worked as a staff attorney for the Door – A Center of Alternatives and Legal Services of Northern Virginia. From 2004 to 2006, she was a social protection consultant at the World Bank Group. From 2006 to 2009, she was the director of policy for Alianza, a non-profit organization. From 2014 to 2017, she served as deputy director of the Office on Violence Against Women for policy. From 2017 to 2021, she was the senior director of policy for Casa de Esperanza. She became an advisor on gender-based violence for the White House Gender Policy Council and special assistant to President Joe Biden in March 2021.
