Kajima began his career in 2000 at Olympique Noisy-le-Sec before moving after a season to Olympique Alès. He moved from Alès, again after just one season, to Pau FC in 2002.
Kajima's early football career began with Olympique Noisy-le-Sec in 2000, but he was soon transferred to Olympique Alès after just one season. He remained at Alès for another year before joining Pau FC in 2002.