Sekese was born on 1 April 1994 in Thabong, Welkom, in the province of the Free State, South Africa. He started his career at the Lion Experience U12's youth academy in 2004. His recognition began when the team won the WelkomDistrict FootballJunior League in the 2004–05 season. The defending champions were known as The Experts. The Lion Experience U12 side won the tournament held by the Welkom Football Association and lifted the Woolworths Trophy at Bronville Stadium. The final was between The Experts and Dinonyana, and Sekese was awarded the Man of the Match award. He captained Lion Experience and won the Welkom Clover Danone League.