Zhuoyi Ying

Master's

Information Technology Management

Tencent Holding

Data Scientist

- Developed and successfully deployed new predictive system in video games utilizing the Python XGBoost model - Performed deep dive analysis on customers behavior pattern using SQL, proposed suggestions on streamlining the login process to stakeholders which leads to doubling the conversion rate from 23% to 46% and translating - Designed, built, and maintained ETL data pipelines and architectures, ensuring efficient data integration, cleansing, and availability for real-time analytics and reporting, resulting in a 25% reduction in data processing times - Created a real-time Tableau dashboard to monitor key performance metrics of predictive system and presented - Conducted A/B testing campaigns and used statistical methods (t-test and Chi-squared) to evaluate the performance difference between user groups. Provided growth suggestions based on the test results, which drove