Rojas started playing football at the age of five and later joined Alianza Lima from Academia Deportiva Cantolao in 2011.
[1] He was promoted to the first on 30 March 2017 and on 9 April 2017, 17-year old Rojas got his official debut as a starter for Alianza against Juan Aurich.
[6] Ahead of the 2024 season, it was confirmed that Rojas would continue at Atlético Grau.
Rojas was called up for the Peruvian U20 national team in January 2019 who was going to play in the 2019 South American U-20 Championship.
[8] Rojas' uncle is the former Deportivo de La Coruña forward William Huapaya.