Liwu D
Data Scientist
Pomona, California, United States
Summary
🤩
Rockstar🎓
Top SchoolLiwu D is a data scientist with nine years of experience applying rigorous analytics and experimentation to payment risk, credit scoring, and fraud detection across fintech and e-commerce environments. He blends mastery of SQL with hands-on modeling in R, Python and SAS, and has productionized solutions from scorecards and Graph Neural Nets to NLP-based SMS features and automated BI dashboards. At JD and other firms he built end-to-end risk platforms, deployed models for partner financial institutions, and translated massive behavioral datasets into actionable red-flag monitoring and repayment forecasts. He also contributes to open-source back-end work (e.g., SOFABolt bug fixes and performance improvements), reflecting an engineer’s attention to robustness and memory optimization. Based in Pomona, CA, Liwu pairs advanced statistics and experiment design with product-minded collaboration to deliver measurable reductions in risk and clearer business decisioning.
9 years of coding experience
7 years of employment as a software developer
Graduate diploma Statistics, Graduate diploma Statistics at University of International Business and EconomicsCal Poly PomonaBachelor’s Degree Auditing, Bachelor’s Degree Auditing at Shandong University of Finance and Economics
Github Skills (7)
javas10
data-serialization10
netty10
java10
serialization10
networking9
testing8
Programming languages (3)
Github contributions (5)
sofastack/sofa-bolt
Mar 2022 - Aug 2022
SOFABolt is a lightweight, easy to use and high performance remoting framework based on Netty.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 releases, 32 reviews, 6 commits in 5 months
Contributions summary:Liwu primarily contributed to bug fixes and code improvements within the SOFABolt remoting framework. Their work involved addressing log errors, optimizing code, and resolving issues related to data type conversions. Key contributions include supporting IPv6 address parsing, enhancing the codebase's robustness. The user also focused on memory optimization of the Hessian serializer.
sofa-rpcperformancenionettysofa-bolt
chuailiwu/mosn
Jul 2022 - Apr 2025
The Cloud-Native Network Proxy Platform
Contributions:2 PRs, 23 pushes, 8 branches in 2 years 9 months
golangtencent-cloudproxynetwork-proxykubernetes
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