[5][6] In 2019, Quintero won the gold medal in the men's individual kata event at the European Games held in Minsk, Belarus.

[9] In the same year, he also won the gold medal in the men's individual kata event at the World Beach Games held in Doha, Qatar.

A few months after the Olympics, he won the silver medal in the men's kata event at the 2021 World Karate Championships held in Dubai, United Arab Emirates.

[15] Quintero won the gold medal in the men's individual kata event at the 2023 European Karate Championships held in Guadalajara, Spain.

[16][17] He won the silver medal in the men's individual kata event at the 2023 World Karate Championships held in Budapest, Hungary.