Maringka began painting in 2004. She paints for Tjungu Palya, a community arts centre based in nearby Nyapaṟi. She has become one of the centre's most well-known painters. Since 2005, Maringka's work has been exhibited in many cities around Australia, including Adelaide, Alice Springs, Broome, Canberra, Melbourne, Perth and Sydney. Overseas, her work has been shown in exhibitions in Singapore, Seattle and London. Her work is held in the National Gallery of Australia, the Art Gallery of South Australia, the Australian National University, and the National Gallery of Victoria.