Sofia Kung

Senior Risk Data Analyst

• Spearheaded end-to-end risk strategy - doubled risk coverage across sub-fraud domains and increased prevention rates by 15%
• Built fraud analytics infrastructure, including batch and real-time feature pipelines, a centralized fraud case database, reporting dashboards, and key fraud metrics.
• Partnered with Data Science teams to develop ML solutions for fraud detection, including association models, sequential models, OCR models, and video-based detection algorithms.

Senior Risk Data Analyst

• Uncovered risk and feature abuse through statistical analysis, exploratory data analysis (EDA), and monitoring dashboards — resulting in $240K in annual cost savings.
• Worked closely with Operations teams to design and deploy fraud detection rules targeting feature abuse, shared devices, promo abuse, and fictitious rides.

Product Data Analyst

• Analyzed user behavior through event logs to optimize in-app flows and improve conversion rates.
• Developed Tableau dashboards for app-related data analysis, including funnel analysis and app performance monitoring.

Data Analyst Consultant

• Automated payment transactions for a healthcare group using SQL and SSIS; independently handled requirements gathering, product development, SIT/UAT testing, and deployment.
• Designed Power BI dashboards for financial performance monitoring.

Python Teaching Assistant

Data Analyst Intern