Dmitry's father Vladimir brought him to football at age seven, his first coach being Alexey Tarasov. He began his career in Sokol Saratov, then he played futsal until 2006, when he discovered beach soccer. In 2007, members of the Russian Football Union discovered the talented Shishin at the tournament "Golden Sands of Samara", and invited him to the Russia national beach soccer team. That year Shishin participated at the Russian Championship as player of Samarian Sputnik and debuted for the national team at the Beach Soccer World Cup.