Winning gold at both of their JGP assignments, in addition to the Lake Placid Ice Dance International, Carreira/Ponomarenko capped off 2017 with a second-place finish at the JGP Final, held in December in Nagoya, Japan. The following month they became the new US junior champions at the 2018 U.S. Figure Skating Championships. They went on to win silver at the 2018 World Junior Championships in March.