Singh started her career as the press assistant at the Democratic Congressional Campaign Committee. She served as the Press Secretary to Kamala Harris, the current Vice President of the United States, when Harris was California's senator.
Earlier, Singh was appointed as a National Spokesperson for Michael Bloomberg 2020 presidential campaign. She has also served as the National Press Secretary for Cory Booker 2020 presidential campaign. She was the Communications Director in the Hillary Clinton's 2016 presidential campaign.
Singh has served as the Deputy Communications Director for the Democratic National Committee, and spokeswoman for American Bridge's Trump War Room.
Singh is married to Mike Smith, the political director for Nancy Pelosi,