Yifei Luo
Ithaca
Summary
Data-driven analyst specializing in user behavior analysis and performance reporting. Expertise in SQL and Python, leveraging AI tools to enhance analysis workflows. Capable of drafting queries and code efficiently, validating logic through structured checks, and translating complex results into actionable insights for stakeholders.
Overview
1
1
year of professional experience
Work History
Data Science Research Intern
ByteDance（TickTok)
ShangHai
06.2025 - 08.2025
- Delivered insights report analyzing search user behavior, enhancing growth and conversion optimization.
- Conducted hot product analysis and RFM segmentation to identify high-value user cohorts.
- Evaluated livestream monetization efficiency during 618 campaign, producing performance diagnostics and recommendations.
- Engineered a scoring model for 'high-potential merchants' by selecting 13 features across various domains.
- Designed strategies to migrate low-value merchants by diagnosing underperformance drivers and prioritizing interventions.
Product Manager Intern
JD.com
ShangHai
12.2024 - 02.2025
- Maintained and validated event tracking/instrumentation for JD App Search to ensure reliable funnel and behavior analytics.
- Monitored the “Golden Eye” search dashboard; detected KPI anomalies and supported root-cause analysis with data-driven problem statements.
- Conducted keyword/search performance analysis to inform ranking/traffic allocation decisions and improve search experience metrics.
Data Analyst Intern
Semfin Group LLC
McLean
09.2024 - 12.2024
- Conducted A/B testing for resource planning module UI redesign, defining success metrics such as task completion time and user satisfaction.
- Analyzed experiment results to derive actionable rollout recommendations, enhancing efficiency and usability.
- Developed comprehensive experiment reports to align stakeholders on impact and facilitate decision-making.
Education
Master of Science - Information Science
Cornell University
Ithaca, NY05-2026
Skills
- Data analysis
- Machine learning
- A/B testing
- Statistical modeling
- User behavior analysis
- Automated data cleaning with AI
- Prompt-based analytics
- Natural-language-to-code workflows
Timeline
Data Science Research Intern
ByteDance（TickTok)
06.2025 - 08.2025
Product Manager Intern
JD.com
12.2024 - 02.2025
Data Analyst Intern
Semfin Group LLC
09.2024 - 12.2024
Master of Science - Information Science
Cornell University