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

● 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. ● 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. ● Established and promoted development standards and best practices, effectively improving team collaboration efficiency and code delivery quality.