Kaliszek/Spodyriev were selected to represent Poland at the European Championships, held in late January 2015 in Stockholm, Sweden. Ranked fifteenth in the short dance, they qualified to the free dance, where they placed fourteenth and rose to fourteenth overall. In early March, they made their second and final appearance on the junior level, competing at the World Junior Championships in Tallinn, Estonia; they placed tenth in the short dance, sixth in the free dance, and seventh overall. Later in March, they traveled to Shanghai, China for the World Championships, but were eliminated after placing twenty-fourth in the short dance.