Yang Chen
San Jose
Summary
Seasoned Machine Learning Engineer with proven experience in designing, developing and deploying machine learning algorithms. Strong skills in statistical analysis, data mining and predictive modeling. Demonstrated success in improving system performance through innovative machine learning methods. Proficient at synthesizing complex datasets, defining problems accurately and delivering intelligent solutions that improve business outcomes.
Overview
12
12
years of professional experience
Work History
Senior Machine Learning Engineer
PayPal
San Jose
10.2014 - Current
- Directed development of core machine learning models for PayPal payment risk, addressing account takeover, card authentication, and non-sufficient fund frauds.Enhanced transaction decline rate, resulting in substantial loss reductions for PayPal.
- Established Venmo/Xoom modeling framework from inception, leading efforts in adjacent modeling initiatives.
- Created predictive models employing diverse machine learning techniques, including linear regression and neural networks.
Software Enginer
McAfee
Reston
09.2013 - 10.2014
- Constructed applications and tools for file generation from low-level network traffic protocols.
Investigated files to identify potential malicious patterns and strengthen defenses.
Education
Master of Science - Computer Science
Virginia Tech
Falls Church, VA05-2013
Bachelor of Science - Computer Science
Tsinghua University
Beijing, China07-2010
Skills
- Predictive modeling(advanced)
- Machine learning algorithms: Neural networks, GBT, Random Forests
- Project Leader, Problem solving
- Java, Python
Selected Publications
- Y. Chen, M. Ghorbanzadeh, T. Clancy, R. McGwier. A Hidden Markov Model Detection of Malicious Android Applications at Runtime. IEEE Wireless and Optical Communication Conference (WOCC-214), Newark, NJ, May, 2014.
- Y. Lu, F. Chen, Y. Chen, C.T. Lu. A Generalized Student-t Based Approach to Mixed-Type Anomaly Detection. The Twenty-Seventh AAAI Conference on Artificial Intelligence (AAAI-13), Bellevue, Washington, July 14-18, 2013
- Yang Chen: Thesis: Robust Prediction of Large Spatio-temporal Data
Timeline
Senior Machine Learning Engineer
PayPal
10.2014 - Current
Software Enginer
McAfee
09.2013 - 10.2014
Master of Science - Computer Science
Virginia Tech
Bachelor of Science - Computer Science
Tsinghua University
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