Tā zài shāngchǎng zuò dǎogòuyuán yǐjīng wǔ nián le.
She has worked as a shopping guide in the mall for five years.
Tips
culture
导购员 (dǎogòuyuán, 'guide-purchase-staff') usually work on commission for a specific brand inside department stores or supermarkets, not the store itself — that's why several brands' staff stand together at adjacent counters.