Career
Rojer started his career with VV Bargeres, and was later scouted by Football Club Emmen where he played in their youth teams. Later, he began playing for the youth teams of Vitesse Arnhem. In 2002 he was picked for the first team squad.
He played four seasons in Arnhem, and was seen as an emerging talent, but the chances for him to play, where very small.
In 2007, he signed with Excelsior Rotterdam where he could count on more playing time. He started well for the club, but suddenly he got a serious injury, and he was out for 18 months.
lieutenant became even worse, when it emerged that he had had sexual intercourse with his girlfriend in the shower, and that he had fallen in the process. This meant that he was out for another six months.
Football Club Zwolle
On 17 June 2009, it became apparent that Rojer had signed a contract with Football Club Zwolle.
While at Football Club Zwolle he tried to get back from the injury-filled period and return to form. After a good season for Football Club Zwolle, scoring 12 goals in 37 matches, he left the club after not renewing his contract with the club Football Club Emmen
Rojer signed a two-year contract with Football Club Emmen, who picked him up as a free agent.