In 2013, was runner-up in the Young Amateur Championship of Spain, 52 kg, defeating José María González for 19: 6 in the semifinal and fell in the final 10: 6 against Grabriel Escobar.

[4] In 2015, he won the Spanish championship, winning the final against Brandon Moreno Núñez, receiving a call from Rafael Lozano to will become part of the selection española.

[13] Carmona was scheduled to fight Jose Antonio Jimenez for the vacant WBA International flyweight title on 1 February 2020.

[18] Carmona was booked to face Joel Cordova on 1 April 2022, on the undercard of the Sandor Martin and Jose Felix super lightweight bout.

[20] Carmona is scheduled to challenge the WBC flyweight champion Julio Cesar Martinez on 3 December 2022, at the Desert Diamond Arena in Glendale, Arizona.

[23] As this bout was an EBU Silver flyweight title eliminator, Carmona was next booked to face Aramis Torres for the vacant championship on 10 November 2023.