Ulimwengu has been capped four times for the national team and has previously played for a number of clubs in Africa including Burindi's Vital’O FC, LLB Sports 4 Africa FC and Sunrise FC.
The record champions have been busy since the transfer window opened last month. They have also signed Sydney Ochieng', Andrew Juma, John Ochieng', Kennedy Owino, goalkeeper Levis Opiyo and midfielder John Macharia.
New Gor Mahia striker Jules Ulimwengu has exuded confidence that his stay at K'Ogalo will see the team conquer continental football, continue dominating the local league and other domestic competitions.
Ulimwengu, 21, on Monday officially joined Gor Mahia on a two-year contract after arriving in the country from Burundi over the weekend.