Streamlined data visualization and analysis by creating a dynamic web interface featuring sortable and horizontal bar charts, zoomable pie charts for DynamoDB data, leveraging d3.js and React.js.

Participated in the improvement and maintenance of Hospital Information platform to handle the increasing traffic.Completed the load balancing module of the Hospital Information platform with team members, which could handle the massive traffic caused by covid-19 by using Feign, a Spring Cloud component, and a polling algorithm.Filtered malicious requests through Spring Cloud Gateway and add Hystrix component to realize service degradation to avoid service crash caused by huge traffic.