# Yuyuan Ji

> Data Engineer | UMich MSDS '24 | UMich DS BSE '22 & SJTU ECE BSE '22

Location: Sunnyvale, California, United States
Profile: https://flows.cv/yuyuan

## Work Experience
### Software Engineer @ NewsBreak
Jan 2025 – Present

### Statistician @ South Carolina Department of Social Services
Jan 2024 – Jan 2025
• Develop and maintain data dashboards using SAS and Microsoft Excel, enabling stakeholders to efficiently monitor key social service metrics and data trends, resulting in more informed and timely decision-making.
• Design custom analytical reports to identify internal data inconsistencies and streamline operations.

### Graduate Student Instructor @ University of Michigan
Jan 2024 – Jan 2024 | Ann Arbor, Michigan, United States
Teaching lab sections of an introductory course in statistics and data analysis. Guiding students on how to implement and apply statistical concepts learned during lectures using R. Grading assignments and holding weekly office hours.

### Data Engineer @ ByteDance
Jan 2023 – Jan 2023 | Shanghai, China
Defined two sets of metrics for operational efficiency of paid ads; ETL data pipelines to automate the daily process of data using HiveQL, allowing quick and real-time access to business metrics for the User Growth Team.
Implemented SLA monitoring for data production and developed visual dashboards for operational efficiency data, facilitating the smooth execution of data generation tasks and increasing the efficiency of data usage.
Added 5 new feature dimensions to the multi-dimensional ROI (Return on Investment) analysis dataset under user acquisition scenarios, providing data support for faster root cause analysis and deeper insights on new users.

### Cyber Security Consultant @ KPMG
Jan 2021 – Jan 2021 | Shanghai, China
Identified 10 potential data leakage channels, proposed relevant data leakage prevention controls, rolled out plans to mitigate data leakage risks.
Assisted project team in establishing and updating information security policies, standards, and procedures for client according to the ISO27001 standard.


## Education
### Master's degree in Data Science
University of Michigan

### Bachelor's degree in Data Science
University of Michigan

### Bachelor's degree in Electrical and Computer Engineering
Shanghai Jiao Tong University


## Contact & Social
- LinkedIn: https://linkedin.com/in/yuyuan-ji

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Source: https://flows.cv/yuyuan
JSON Resume: https://flows.cv/yuyuan/resume.json
Last updated: 2026-04-11