[3] Jackson Mayanja made his debut for the Uganda Cranes in 1988 during a friendly match against Zambia's KK XI, which ended in a 1-1 draw at Nakivubo Stadium.
Later that year, he faced a pivotal moment when he missed a penalty in a FIFA World Cup qualifier against Malawi, though Uganda won the match 1-0.
[3] In 1990, Mayanja scored a crucial equalizer against Tanzania during the semifinals of the CECAFA Cup, a match that Uganda eventually won in a penalty shootout.
[4] During his illustrious football career, Jackson Mayanja achieved numerous accolades at both club and national levels.
Individually, he was recognized for his exceptional talent and was named Uganda Sports Press Association (USPA) Footballer of the Year twice, in 1993 and 1996.
Notable incidents include a red card for dissent during a CAF match against AFC Leopards and another for kicking the ball away in a league game against Mbale Heroes, causing him to miss crucial fixtures due to suspension.
[3] In 2023, when KCCA FC identified him for the Assistant coach job, he insisted that he had built a huge name and brand that he jealously protects and thus, he couldn't settle for less.