Aliev debuted on the ISU Junior Grand Prix (JGP) series in the 2014–15 season. Awarded bronze medals in Ljubljana, Slovenia and Aichi, Japan, he finished as the third alternate for a place at the JGP Final. Making his senior international debut, he placed tenth at the 2014 Golden Spin of Zagreb, an ISU Challenger Series event. Returning to the junior ranks, he won bronze medals at the 2015 Russian Junior Championships and 2015 European Youth Olympic Winter Festival.