Sofia Kung

I am

I’m a senior data analyst with 6+ years across tech, crypto and e‑commerce. I turn complex data into dashboards, reports and clear insights that drive product and business decisions.

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Professional Experience

Senior Risk Data Analyst 2022 - 2024
  • 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 2021 - 2022
  • 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 2021
  • 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
PwC
2019 - 2021
  • 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 2018 - 2021
Data Analyst Intern 2018

Skills & Technologies

Technical Skills

Statistical Analysis Dashboard Development ETL Development Machine Learning

Programming

Python PySpark SQL R JavaScript

Risk Strategy

Fraud Analytics Anomaly Detection Feature Abuse Detection KYC/POA Fraud Detection Risk Framework Design Fraud Rules Development

Let’s Connect

Open to new ideas, opportunities, and conversations.

Email: sofiakung.ai@gmail.com