On 12 May 2019, Camello scored a brace in a 2–0 away defeat of Pontevedra CF.[4] He made his first team – and La Liga – debut six days later; after coming on as a half-time substitute for Thomas Partey, he scored the equalizer in a 2–2 away draw against Levante UD,[5] becoming the first player born in the 21st century to score for Atleti.[6]
On 3 August 2022, Camello renewed his contract with Atleti until 2026, and moved to fellow top tier Rayo Vallecano on loan for the season.[8] He scored his first goal in the top tier on 3 October, netting the equalizer in a 2–1 home win over Elche CF.
On 17 August 2023, Camello signed a permanent four-year deal with Rayo.[9]
International career
In 2024, Camello was called up to the Spain Olympic team for the 2024 Olympic Games.[10] On 9 August 2024, he scored two goals in the extra time to give Spain the 5–3 victory against France in the final, thus winning the gold medal.[11]