Experience

台積電
• IT DevOps Data Intern

  • Jul 2023 - Present


統一超商 President Chain Store Corporation

• Taiwan
• Retail
• 100 - 200 Employee

• Data Analysis intern

  • Mar 2022 - Jun 2023

  Data Analysis Project - Extracted 15 million member data from AWS Redshift using SQL. - Developed Tableau Dashboard automated reports for product marketing specialists. - Conducted 20+ business data analysis projects, including customer transaction history, customer profiles, point transactions, ad click-through rates, OPEN POINT APP, and related companies within Uni-President group. Precision Marketing - Customer Churn Prediction ( Supervised Learning ) - Created a Gaussian Naive Bayes classifier and BTYD (Buy till you die) model in Python to predict high-churn members in NES framework, achieving up to 85% precision rate and 15% improvement over natural churn. - Increased monthly marketing campaign ROI by 264% and reduced the average cost per person by 80%. Anomaly Detection - Abnormal Point Transaction ( Unsupervised Learning ) Implemented an Isolation Forest model to detect abnormal trading behavior, utilizing Explainable AI (SHAP) to interpret the output and optimize marketing resource allocation. Show less