In 2007, Novoselov began competing on the ISU Junior Grand Prix (JGP) series with Sabina Imaikina. The following year, they won two silver medals on the JGP series and qualified for the 2008–09 JGP Final, where they placed 5th. At the 2009 Russian Championships, the pair placed fifth on the senior level and took bronze on the junior level. They were coached by Valeri Tiukov and Valentina Tiukova in Perm. They parted ways at the end of the season.