1. Responsible for the development and maintenance of Citi's internal Java back-end management system 2. Responsible for Angular based component development

1. Led the design of the core front-end architecture and drove the implementation of key modules for a unified front- end architecture required by Citi's business across over 15 countries and regions 2. Deeply analyzed performance bottlenecks for core business page user experience and implemented a series of targeted optimization strategies, improving page loading performance to the millisecond level 3. Established and promoted development standards and best practices, effectively improving team collaboration efficiency and code delivery quality