A youth product of Audax Italiano, Ahumada signed his first professional contract with the club on 2 February 2022.

[1] He made his professional and senior debut with Audax Italiano in a 2–1 Chilean Primera División win over Ñublense on 30 June 2022.

[2] He became a regular starter for the club in his debut season and helped them earn qualification to the Copa Sudamericana.

[3] Ahumada was called up to the Chile U23s in August 2022 for a set of preparatory matches before the 2023 Pan American Games.

[4] He was included in the final squad for the games,[5] where Chile won the silver medal.