Cardoza is a special correspondent for WAMU. She originally joined the station in 2008 with a special focus on children, education and poverty. She was a 2019 Center for Health Journalism National Fellow.

Cardoza has won numerous awards for her work. In 2012 she received the regional Edward R. Murrow Award for Hard News. That same year, her five-part series on childhood obesity won first place in the Series category in the National Awards for Education Reporting and recognition from the Chesapeake Associated Press Broadcasters Association. Cardoza was previously the Springfield bureau chief for WUIS in Illinois and an adjunct faculty member for the university’s Department of Communication. She holds graduate degrees from the University of Illinois at Urbana-Champaign and the Manipal Institute of Communication in India.