Early career Machuca started his career in
Roldán with San Lorenzo. Spells soon followed with El Porvenir del Norte and Sportivo Matienzo, which preceded him joining the system of
Talleres. After two years in the reserves, he was promoted into the first-team squad in October 2020 under manager
Juan Manuel Azconzábal; penning pro terms on 28 October. Machuca made his senior debut on 29 October during a
Copa Sudamericana second stage first leg home defeat to
Emelec, as he replaced
Juan Manuel García with two minutes left.
Fortaleza On 29 July 2023,
Campeonato Brasileiro Série A side Fortaleza announced the signing of Machuca on a four-year deal, having acquired 50% of the player's economic rights for a reported fee of $2.5 million. Machuca arrived at Leão do Pici in 2023, when he played just 22 games, scoring two goals. In the 2024 season, the striker played 43 games, scoring four goals and providing five assists.
Loan to Vélez Sarsfield On 13 January 2025, Machuca joined
Argentine Primera División side
Vélez Sarsfield on loan until the end of the year, with an option to buy. Vélez suspended Machuca following his sanction by FIFA in September of the same year. After the ban was temporarily lifted in January 2026, Machuca returned to Vélez Sarsfield. == International career ==