She is known for her work coordinating the efforts of women in Rwanda to make baskets that are sold in the United States.
[1][3] As she grew older, Nkubana and her sister Joy Ndungutse ran a restaurant in the capital city of Uganda, Kampala.
[1][4] Janet Nkubana is the creator of a company called "Gahaya Links" along with her sister Joy Ndungutse.
[4] In 2005 "Gahaya Links" connected with Willa Shalit to form a partnership with the retail store Macy's.
[10] In 2008, Nkubana shared the Africa Prize for Leadership for the Sustainable End of Hunger with Faiza Jama Mohamed.