Bei Jia
Staff Research Scientist at Meta
Greater Seattle Area United States
Summary
👤
Senior🎓
Top SchoolBei Jia is a Staff Research Scientist with a decade of experience building and scaling large language and multimodal models, currently specializing in LLM post-training at Meta Superintelligence Labs. Her career spans senior ML roles at Apple, Block, Amazon, and ServiceNow where she led production ML systems for Siri, risk AI, Alexa NLU, and generative sequence models applied to quantitative finance. Trained as a physicist with a Ph.D. from Virginia Tech, she brings deep theoretical rigor—experience in string theory and distributed optimization—to practical problems in representation learning and end-to-end ML services. Colleagues describe her as a tech lead who bridges frontier research and product-grade engineering, often surfacing non-obvious insights from mathematical foundations to improve model robustness and deployment.
10 years of coding experience
6 years of employment as a software developer
Master’s Degree Physics, Master’s Degree Physics at University of Chinese Academy of SciencesDoctor of Philosophy (Ph.D.) Physics, Doctor of Philosophy (Ph.D.) Physics at Virginia TechBachelor’s Degree Applied Physics, Bachelor’s Degree Applied Physics at Xi'an Jiaotong University
English, Chinese
Github Skills (29)
reinforcement-learning9
parallel9
optimization9
ray9
python8
deep-learning8
hyperparameter-optimization8
machine-learning8
java8
large-language-models8
pytorch8
data-science8
llm7
automl7
llm-inference7
Programming languages (2)
Github contributions (5)
supermoduli/Kaggle
Jul 2017 - Mar 2018
Contributions:4 PRs, 21 pushes, 5 branches in 8 months
kagglepythonmachine-learningdata-science
supermoduli/Regression
Apr 2017 - Apr 2017
Contributions:2 PRs, 6 pushes, 3 branches in 11 days
regressionpythonmachine-learning
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