Kawamura's professional journey began in the early 2000s, when she worked as a fashion designer for several Japanese brands. Her big break came in 2007, when she launched her eponymous fashion label, Maya Kawamura, which quickly gained recognition for its innovative designs and attention to detail. The brand's aesthetic, characterized by intricate patterns, flowing silhouettes, and a mix of traditional and modern materials, resonated with fashion enthusiasts worldwide.