In August 2021 Mutyaba signed a three-year contract with Uganda Premier League club SC Villa.
[5] In 2019 Mutyaba was part of the Uganda under-15 team that won the 2019 CECAFA U-15 Championship in Eritrea.
[7] The following year he was named the Most Valuable Player as Uganda won the 2020 CECAFA U-17 Championship held in Rwanda.
[2] Mutyaba was called up to the senior national team for a friendly against Tanzania at age 16.
[9] In January 2022 he was called up again for five friendlies with national sides from Europe and Asia as the Cranes traveled to Turkey, Iraq, and Bahrain.