customer-facing
adjective
/ˈkʌstəməˌfeɪsɪŋ/ us/-mɚ-/ uk COMMERCE
dealing directly with customers:
Staff in customer-facing roles can make or break a company's reputation.
IT
used to describe a computer program designed for a business's customers to use, for example, in order to choose and buy a product over the internet:
a customer-facing application that allows travellers to buy train tickets online