They serve users, offer services and products, provide specialized technical services, conduct surveys, perform billing and customer registration activities, always via telecommunication, following planned and controlled scripts and guidelines to acquire, retain, or recover customers. * Provide telephone and chat customer service for recognized brands, * + Analyze and receive complaints from external customers using data collection; + Address complaints to responsible departments and forward customer instructions; + Request departments and conduct studies related to product tracking; + Receive and respond to customer information requests; + Handle and respond to urgent customer demands; + Negotiate urgent delivery deadlines with customers.