[1] He played college basketball for the De La Salle University.

[2][3] Tratter was selected seventh overall during the 2018 PBA draft by the NLEX Road Warriors.

On September 6, 2019, he was traded to the Alaska Aces for Carl Bryan Cruz.

[4] On June 15, 2022, he signed a contract with the Converge FiberXers, the new team that took over the defunct Alaska Aces franchise.

[5] On April 14, 2023, Tratter, along with David Murrell, was traded to the Magnolia Hotshots for Adrian Wong and a 2022 first-round pick.