Zhengjie Xu
Senior Machine Learning Engineer at Meta
Shanghai, United States
Summary
🤩
Rockstar🎓
Top SchoolZhengjie Xu is a Senior Machine Learning Engineer at Meta with 6+ years of experience designing and deploying large-scale ranking and recommendation systems that serve hundreds of millions of users. He specializes in relevance-focused, multi-objective optimization and low-latency production ML, and has owned the lifecycle of over 15,000 production features to boost accuracy, robustness, and generalization. Prior roles at Goldman Sachs and Bloomberg honed his strengths in behavior modeling, risk-aware forecasting, and production-grade quantitative systems. He blends deep mathematical training (Ph.D. in Applied and Interdisciplinary Mathematics) with pragmatic engineering, mentoring cross-functional teams and establishing feature governance frameworks to balance model quality and capacity. Notably, his background ranges from integrable PDE research to shipping commercial HRV analysis software, reflecting a track record of turning rigorous theory into reliable, operational products.
6 years of coding experience
17 years of employment as a software developer
Ph.D Applied and Interdisciplinary Mathematics, Ph.D Applied and Interdisciplinary Mathematics at University of MichiganMS Applied Mathematics, MS Applied Mathematics at Fudan University
Github Skills (123)
benchmark10
toolbox10
pose10
faster-rcnn10
udp10
openmmlab10
video-understanding10
siggraph10
object-detection10
hourglass10
image-synthesis10
generative-adversarial-network10
super-resolution10
cpm10
text-to-image9
Programming languages (5)
Github contributions (5)
crazysteeaam/jennycafe
Jan 2022 - Apr 2022
jenny
Contributions:2 PRs, 10 pushes, 3 branches in 3 months
java
crazysteeaam/DeployingInternLM2
Jan 2024 - Feb 2024
Contributions:26 pushes in 1 month
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