Rubleva / Shefer moved up to the senior level internationally in the 2004–2005 season. They placed 4th at the 2004 Nebelhorn Trophy and won the bronze medal at the 2004 Bofrost Cup on Ice.
The duo of Rubleva / Shefer rose through the ranks globally by the end of the 2004-2005 season, securing a fourth-place finish at the 2004 Nebelhorn Trophy and claiming the bronze medal at the 2004 Bofrost Cup on Ice.