Hunted new business opportunities in the Banking & Payment industry by closely following up with customers and the market. Collaborated with internal departments to deliver products and services to banking customers in Vietnam. Researched payment industry trends and competitor products to develop a business strategy, resulting in several customer acquisitions for mobile payment, digital card payment, and card tokenization services

Consulted and assisted in delivering Gemalto's Banking & Payment service to Vietnamese customers, expanding Gemalto's market and revenue in Vietnam.

Managed the resources, project implementation timeline, and product testing/acceptance for Huawei's project in Vietnam, delivered VAS products to Mobifone regions II & IV, and Vinaphone regions I & IV

Resolved help desk tickets efficiently, maintaining a high level of user satisfaction and providing timely technical support. Created and updated documentation for system configurations, troubleshooting procedures, and standard operating practices. Collaborated with cross-functional teams to plan and execute system upgrades and migrations with minimal user disruption. Participated in the on-call rotation, swiftly responding to critical incidents and ensuring 24/7 system support. Proficiently managed and maintained Windows and Linux server environments, ensuring 99.9% uptime and uninterrupted service availability.