# Yongheng Lin

> ML Infra at Dropbox

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

## Work Experience
### Software Engineer @ Dropbox
Jan 2023 – Present | San Francisco Bay Area
• Building ML infra.

### Staff Software Engineer @ Bolt
Jan 2021 – Jan 2023 | San Francisco Bay Area
• Built data infra, e.g., data warehouse, unified stream and batch processing system.
• Built ML infra, e.g., candidate retrieval, feature store, model serving.
• Built end-to-end ML systems for fraud detection and product recommendation.
• Built centralized product catalogs to make Bolt the source of truth for all products from all merchants.

### Senior Software Engineer @ Apple
Jan 2017 – Jan 2021 | San Francisco Bay Area
• Backend, scalability, data engineering, and machine learning. Tools include Java, Spark, and Python.
• Built end-to-end ML system for CTR prediction.
• Built ad retrieval and indexing systems.
• Built ML infra.

### Data Scientist @ NORC
Jan 2012 – Jan 2017 | Greater Chicago Area
• Built data pipelines and tools.
• Led analytical efforts that provide actionable insights to support business operations and decision-making.
• Developed algorithms for data de-identification that effectively prevent individuals from being identified in order to protect privacy, while allowing data users to perform inferences accurately as if they had access to the original data.

### Research Assistant @ University of Chicago
Jan 2008 – Jan 2009 | Greater Chicago Area
• Conducted research on computer vision with focus on object classification and detection for images. Developed deformable template models for objects and the corresponding estimation algorithms. Achieved competitive classification rates using small training sets.


## Education
### PhD Student in Econometrics & Data Mining
New York University

### MS in Statistics
University of Chicago

### BS in Economics & Computer Science
South China University of Technology


## Contact & Social
- LinkedIn: https://linkedin.com/in/yongheng
- GitHub: https://github.com/yongheng

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