Career
He began his career by Police Jinja before transferred in August 2007 to the youth side from Helsingborgs. He was promoted to the senior squad for the 2008 season. However during a training session with Ugandan club KB Lions he suffered a severe ankle injury that ruled him out for almost a year.
Because he had been under contract for Helsinborgs at the time his contract was terminated for unprofessional conduct.
In September 2009 Sserumagga signed a one year contract with Uganda Revenue Authority South Carolina in order to rehabilitate himself back to form and secure a return to Europe.Uganda’s Caf Champions League representatives Bunamwaya signed Sserumaga for a 6 month contract. On 23 December 2010, he was handed a three-month ban by the club following his refusal to sit on the substitutes" bench during league games against Fire Masters South Carolina and Proline South Carolina. In February 2011, he joined the Rwandan side Rayon Sport.
His debut for the Uganda national football team was on 8 June 2008 against Benin.
