Mpondela gained another international experience in 2017 when she reached the semi-finals in the 100-meter run at the U18 World Championships in Nairobi, where she was eliminated with 12.33 seconds. She then on to compete at the Commonwealth Youth Games in Nassau with where she went through to the semifinals and was eliminated after pulling a 12.59 s in the semifinals. The following year she was selected as part of the Zambian women's 4 × 100 metres relay for the 2018 African Championships in Athletics.