Haodong Yang
AI ML@Meta
- Role
- Senior Machine Learning Engineer at Meta
- Location
- San Jose, CA, US
- LinkedIn followers
- 500 followers
About Haodong Yang
Dr. Haodong (Daniel) Yang is a Senior Machine Learning Engineer at Meta. He obtained his PhD in Information Studies in the College of Computing and Informatics at Drexel University. • 10 years of experience with Deep Learning, Machine Leaning, Natural Language Processing (NLP), Data Mining, and Text Mining• Strong in developing statistical and machine learning models, such as classification, clustering, and deep learning neural networks, using Python and other languages to address challenging business problems• Great communication skills, strong in both team work and independent problem solving; a proactive and quick learnerTechnical Skills• Programming Language: Python, Java, Matlab, R• Database: MySQL• Tools: Spark, Scikit-learn, TensorFlow, PyTorch, Keras, Gensim, Spacy, NLTK, StanfordNLP, AWS, RapidMiner, Weka, Gephi, NodeXL
Experience
Senior Machine Learning Engineer
Jan 2025 — Present · San Francisco, CA, US
Facebook Reels Ranking• Designed and deployed machine learning models to calibrate private share ranking signals, improving topline and downstream engagement metrics across multiple surfaces (+0.02% Global Session,+1.54% overall SM rate,+0.55% rDAU,+0.17% PS volume), leveraging techniques such as sigmoid-based probability calibration.• Developed an LLM-driven private share bait and directive detection framework, reducing bait video prevalence by −5.76% and improving top-shared content quality; built the end-to-end feature pipeline and conducted extensive experimentation with prompting strategies.• Onboarded conditional event modeling and screenshot-based sharing signals into ranking systems, achieving significant engagement gains (+0.46% screenshot volume,+0.35% PS volume), particularly improving ranking relevance for low- and mid-engaged user cohorts.
Education
Beijing Normal University
Master of Management, Information Science/Studies
2008 — 2011
Drexel University
Doctor of Philosophy (Ph.D.), Information Science/Studies
2011 — 2016
Beijing Normal University
Bachelor of Management, Information Management and Information Systems
2004 — 2008
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