Career
Gumbo his career with Mtibwa Sugar F.C. and signed in 2009 for African Lyon. During the 2009-2010 Tanzanian Premier League season, Gumbo scored two goals in eight games and received only a yellow card. He played his first international football game for the Tanzania national football team against the Rwanda national football team in August 2009.
The game was played at Stade Amahoro in Kigali, Rwanda.
Gumbo scored the game-winning goal as the game finished 1–2 for Tanzania.