Born in Ughelli, Delta State, Brume first emerged at national level at the 2012 Nigerian Athletics Championships with former junior athletes Dakolo Emmanuel and Fabian Edoki. She placed sixth in the long jump, clearing over six meters. She also was the winner at the 18th National Sports Festival in Lagos. The following year she set a personal best of to place second nationally, behind Blessing Okagbare. She was one of the most successful athletes at the 2013 African Junior Athletics Championships: she won the long jump title, took silver in the triple jump, and was part of Nigeria's winning 4×100 meters relay team. She also placed fourth individually in the 100 meters. Brume successfully defended her long jump title at the next edition of the African Junior Athletics Championships in Addis Ababa. This time, she was even more successful as she added the triple jump and 4 x 100 m relay title, and a bronze medal in the individual 100 meters to her collection.