At the 2012 Summer Olympics, held in London, Raja also represented Estonia in the quadruple sculls event. This time with Kaspar Taimsoo, Tõnu Endrekson and Andrei Jämsä. The crew finished second in their preliminary heat and also in the semifinal, thus earning a place in Final A. In the final they finished just outside the medals in 4th place behind crews from Germany, Croatia and Australia, respectively.