Jianhua Huang
Senior Staff MLE (L7) at Block
Austin, Texas, United States
Summary
👤
Senior🎓
Top SchoolJianhua Huang is a Senior Staff Machine Learning Engineer with 11 years of experience building production-grade risk and fraud systems, currently leading advanced ML efforts at Block (Cash App). He combines a strong academic background in Earth and Atmospheric Modeling and machine learning with hands-on expertise across Python, R, Spark, TensorFlow, and cloud platforms to design scalable, real-time anomaly detection and model management pipelines. Jianhua has driven cross-functional programs from 0-to-1, led mitigation of multi-million-dollar fraud losses, and holds a patented offline risk management solution that removed over half of bad actors on the platform. He mentors engineers, scales hundreds of live models, and contributes practical open-source tooling—like streamlineR and a geospatial R Shiny app—demonstrating an unusual blend of spatial-statistical rigor and production ML engineering.
11 years of coding experience
10 years of employment as a software developer
Doctor of Philosophy (Ph.D.), Earth and Atmospheric Modeling, Doctor of Philosophy (Ph.D.), Earth and Atmospheric Modeling at Arizona State UniversityMaster’s Degree, Computer Science (Machine Learning), Master’s Degree, Computer Science (Machine Learning) at Georgia Institute of TechnologyEarth and Atmospheric Modeling, Earth and Atmospheric Modeling at Purdue UniversityBachelor's Degree, Economics, Bachelor's Degree, Economics at Shandong University
English, Chinese, Chinese
Github Skills (9)
stream8
streaming6
r-package4
visual-analytics3
htmlwidgets3
mapping-tools2
network-visualization2
visualization2
graph-drawing2
Programming languages (1)
Github contributions (5)
JianhuaHuang/streamlineR
Jul 2016 - Aug 2018
Contributions:50 commits, 91 pushes, 1 branch in 2 years 1 month
streamingstream
JianhuaHuang/powerplant_emission_map
Aug 2014 - Aug 2016
Contributions:6 commits, 4 pushes in 2 years
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