Bruinier made his debut in professional football as a member of the Vitesse squad in the 2006–07 season. On 3 March 2007, he came on the pitch for the first time as a substitute for the injured Onur Kaya in a 2–3 home loss to Excelsior.
Bruinier started his professional soccer career as part of the Vitesse team in the 2006–07 season. He made his first game appearance by replacing injured teammate Onur Kaya in a 2-3 home loss to Excelsior on March 3, 2007.