Ume hails from Kairuku, Papua New Guinea, but grew up in Hohola, a suburb of the capital city of Port Moresby.

[3][6] Although the PNG squad lost 4–2 overall, he won his matchup against Jone Koroilagilagi convincingly for his first international victory.

[1] Ume was one of two Papua new Guinean boxers to win a gold medal at the 2019 Pacific Games in Samoa, defeating Fijian opponent Jone Davule in the final.

[10] At the 2020 Asia & Oceania Olympic Qualification Tournament, he won his first bout against Nassim Saddiq of Saudi Arabia where he forced a referee stoppage in the final round.

[11] However, Ume faced the tournament's third seed, Baatarsükhiin Chinzorig, in his next fight and lost by unanimous decision.