JUNCHEN LIU
This is a succinct version of my resume.
Education
University of TorontoBCS - Data Science Specialist2024-Present
- Cumulative GPA: 3.95/4.00
Experience
ByteDanceJune - August 2026
Data Operations InternGlobal Monetization
- Owned human-review data pipelines for AIGC advertising content, including experiment design and online monitoring; drove improvements on north-star metrics.
- Designed labeling SOPs and annotation templates; coordinates cross-functional calibration; and curated bad-case sets for R&D team to improve content generation workflows.
TopSec Network Security TechnologyJune - July 2025
Intern
- Worked on multiple enterprise network security projects for major aviation and transportation clients; conducted system monitoring and threat detection.
Projects
- Built a Formula One driver comparison simulator, reaching 70.42% accuracy against 50% binary baseline when validated on race data from 2018--2022.
- Learn more about this project.
- Built a Fantasy Premier League team selection tool with team. Developed in Java following Clean Architecture and SOLID, with API integration.
- Learn more about this project.
Skills
- Technical
- Python, C, Java, SQL, R, LaTeX
- Tools
- Git, GitHub, Linux/Bash, VSCode
- Libraries
- pandas, NumPy, matplotlib, scikit-learn
- Languages
- English, Mandarin