Competing on the senior level, Aliev was awarded bronze at the 2015 International Cup of Nice and silver at the 2015 CS Tallinn Trophy. In December, he won the silver medal at the 2015–16 JGP Final in Barcelona, having finished second to Nathan Chen of the United States. Later that month, he placed sixth at the 2016 Russian Championships in Yekaterinburg, before winning his first junior national title in January in Chelyabinsk.