What should bank customer service change? 4 years experience in bank credit card hotline service and nearly 1 year team management experience. 2 1 1 graduated from a key university. Seek direction in unemployment. If you have 4 years of experience in answering credit card calls, you should have a comprehensive understanding of credit card risk management and marketing, and you can consider applying for other departments of the card center or the background of the customer service center. In fact, I often have the same confusion. It is not easy to change jobs in this industry. ...