# Guandi Wang

> SWE @ TikTok | MS.CS @ Northwestern University | BS.CS @ New York University

Location: New York, New York, United States
Profile: https://flows.cv/guandi

## Work Experience
### Software Engineer @ TikTok
Jan 2023 – Present | San Jose, California, United States
Machine Learning Data Platform: Working on Ads ML data infrastructure at scale for Large Recommendation Models (LRMs), focusing on long-sequence feature engineering, and training data pipeline optimization to support reliable and efficient model training.

### Backend Software Developer @ TikTok
Jan 2022 – Jan 2022 | United States
Ads Training Data: Developed a modular Java-based batch training data framework for large-scale ads ML pipelines, reducing end-to-end runtime by 60% via Spark optimization and parallel processing.

### Backend Software Engineer Intern @ Tencent
Jan 2021 – Jan 2021 | Shenzhen, Guangdong, China
Computational Advertisement: Built real-time data infrastructure for ad recommendation systems, improving CTR by 2% and enabling KPI-driven decisions with scalable backend services.


## Education
### Master's degree in Computer Science
Northwestern University
Jan 2022 – Jan 2023

### Bachelor of Science - BS in Computer Science
New York University
Jan 2018 – Jan 2022


## Contact & Social
- LinkedIn: https://linkedin.com/in/guandi-wang-b6a6791a3
- Website: https://andydid1.github.io/portfolio/

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Source: https://flows.cv/guandi
JSON Resume: https://flows.cv/guandi/resume.json
Last updated: 2026-03-21