Ting Xu

Machine Learning Engineer Intern @TikTok USDS | CS PhD at Umass Boston

Boston, Massachusetts, United States

About

Experience

  • Machine Learning Engineer Intern at TikTok USDS Joint Venture
    Jun 2026 - Present · 2 mos

  • Machine Learning Researcher at UMass Boston
    Sep 2023 - Present · 2 yrs 11 mos

    • Leverage domain adaptation to successfully address Sample Selection Bias in multimedia recommendation systems. Deploy models on TikTok and WeChat datasets, perform online A/B testing, and achieve significant improvements. • Extracted automation rules and user policies from smart home apps to generate behavior graphs for security analysis. Built a semantic analyzer using Transformer-based architectures for NLP tasks, leveraging BERT for embedding generation, and fine-tuned the model with LoRA to accurately parse app descriptions and configurations.

  • Graduate Mentor at Alfred P. Sloan Foundation
    Sep 2024 - Jun 2025 · 10 mos

    Institute of Diversity Sciences (IDS) Fellowship Program