[2] In 2012, Fernandez volunteered for Mark Gjonaj's campaign for New York State Assembly.

After Gjonaj won, Fernandez joined his staff as executive coordinator.

[3] In 2017, Fernandez joined the staff of New York Governor Andrew Cuomo as the representative of his office to the Bronx.

In August 2022, Fernandez won the primary for New York's 34th State Senate district.

[5] She went on to win the district in the general election and began serving in January 2023.