Hongjing Xia - Co-Founder at mederrata

Hongjing Xia

Co-Founder at mederrata

New York, New York, United States

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Summary

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Senior

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Hongjing Xia is a data-driven co-founder and PhD-trained bioengineer with 10+ years of experience building scalable machine learning systems for high-dimensional, multimodal data. She has led teams and shipped production analytics—most notably designing a parallelizable customer-segmentation pipeline that increased captured fraud dollars by 40% and novel manifold-based unsupervised methods for heterogeneous datasets. Her background spans academic research at UCLA, a high-impact ML internship at Amazon, and investment-focused analytics roles at Point72, combining statistical rigor with product-minded deployment on AWS and distributed clusters. Comfortable in Python and MATLAB and experienced with multiprocessing, she excels at turning ambiguous, million-row problems into experimentally validated models and practical decision tools. An uncommon strength is her blend of theoretical model development (manifold learning, mutual-information clustering) with hands-on engineering to scale those methods into real-world systems.

10 years of coding experience

11 years of employment as a software developer

Bachelor of Science (B.S.), Depts. of Electronic Science and Engineering, Bachelor of Science (B.S.), Depts. of Electronic Science and Engineering at Nanjing University

The University of Hong Kong (HKU)

Doctor of Philosophy (PhD), Bioengineering and Biomedical Engineering, Doctor of Philosophy (PhD), Bioengineering and Biomedical Engineering at University of California, Los Angeles

English, Chinese

Stackoverflow

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Github Skills (19)

bootstrap-vue8

xml7

spring-boot6

java5

bootstrap5

redis5

shiro4

kafka4

mybatis4

mysql3

spring-mvc3

mvc2

turbine2

spring2

Programming languages (2)

JavaJavaScript

Github contributions (5)

chahongjing/testdocker

Mar 2021 - Sep 2024

Contributions:43 pushes, 3 branches in 3 years 6 months

chahongjing/documents

Dec 2017 - Aug 2022

Contributions:320 commits, 278 pushes, 3 branches in 4 years 8 months

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