• Developed and maintained a robust ordering system to ensure secure payment processing and efficient order management, utilizing Node.js, RabbitMQ, Redis, and MongoDB

• Contributed to rebuilding the faculty/student management platform website for the Dongguan Education Bureau supporting 250K+ faculties and 1M+ students using Spring; developed the login and authentication process andtested for usability and information confidentiality.• Implemented Redis configuration to establish efficient load balancing across four domains.• Extracted and analyzed enrollments data; visualized the schools/faculties/students distribution summaries and presented them to the client’s representatives.

Sentiment Analysis of Media News Coverage of COVID-19.• Wrote Python script to fetch news article about COVID-19 from New York Times and Guardian.• Extracted the body text and sent API requests to IBM Tone Analyzer to get the sentiment results for articles.• Used Plotly Graphing Library to automate meaningful graphs based on the sentiment results for visualization.