# Jing Cheng > Experienced PhD Machine Learning Engineer / Fintech Startup Co-founder Location: Santa Clara, California, United States Profile: https://flows.cv/jingcheng1 • PhD Data Scientist with 10+ years hands-on expertise in Machine Learning, Statistical Modelling, Data Mining in Hedge Fund industry, E-Commerce, Marketing, Social Media, Digital Marketing (OnLine/Social Media Advertising), Operation Research, Scientific Research • Strong consulting and business acumen in framing unstructured business problems as structured analytical problems that can be solved using data-driven and quantitative approaches. • In-depth knowledge of data mining and predictive modeling techniques such as regression, survival analysis, forecasting, cluster analysis, optimization and their application to realize business objectives • Experienced in: SQL, R, Python, Spark, Tableau, SAS, Excel VBA, C/C++, MATLAB, Splunk, Algorithm, Numerical methods, Machine Learning, Predictive Modeling, Marketing, Social Media, Operation Research, Insight Analysis, Online advertising, Web Analytics, A/B testing • 30 publications, 28 peer-reviewed, 12 as first author • Excellent mathematics / programming intelligence evidenced by awarded in Math and Programming Olympiads -- 1st prize (province level) / 3rd prize (national level) in Olympic contest for Math -- 2nd prize (province level) in Olympic Contest for computer programming -- 2nd prize (province level) in Olympic Contest for Math • Strong leadership; Successful startup partner • Excellent soft skills: result-oriented, creative problem solver, enjoys challenge, very good in communication ## Work Experience ### Principle Software Engineer - Machine Learning @ Juniper Networks Jan 2018 – Present | Cupertino, California, United States - Build anomaly detection system for a variety of use cases in computer network industry, utilizing different deep learning and machine learning models - Sr. Staff Engineer Machine Learning @ Juniper Networks: 2023.7 - 2025.10 - Staff Engineer Machine Learning @ Juniper Networks: 2019.4 - 2023.7 - Data Scientist @ Mist Systems (acquired by Juniper Networks): 2018.12 - 2019.4 ### Founding Partner, Head of AI/Data/Financial Engineering @ Quantex Financial Technology Jan 2014 – Jan 2018 | San Jose, California, United States/Beijing China - Cofounded Quantex Fintech with the CTO of Goldman Saches China, with 200 employee. - Build and lead a team of 10+ to deliver Research projects on: - marketing platform for top financial institutions in China, including A/B testing platform, recommender system for financial products - build new-gen AI boosted investment platform, including modules of financial knowledge graph, financial news extraction and information retrieval for event driven stock trending analysis, correlation analysis for variety of assets - build market risk model and variety of risk factors, stress testing, scenario analysis for our main trading system. ### Sr. Data Architect in Machine Learning @ Visa Jan 2016 – Jan 2018 | Palo Alto, California, United States - Build recommender system for major European banks to provide customized coupons/offers to consumers in the bank's rewards center - build A/B test system for Uber/Visa collaboration marketing project ### Data Science Analytics Manager @ eBay Jan 2015 – Jan 2015 | San Jose, CA • Propose and lead eBay store subscription propensity model; Design advanced machine learning algorithm to segment eBay sellers for different store subscriptions targeting campaign; Greatly improve conversion rate. • Ad-hoc analysis to provide deep dive analysis for marketing campaign, funnel tracking, etc. • Insights analysis for monetization (GMV, revenue, subscription, promotion, etc.) • Built revenue/subscription forecast models ### Machine Learning Data Science Consultant @ Tiger Analytics Jan 2012 – Jan 2014 | San Jose, CA • Provided data driven business solution for Quickbook (Intuit product) go-cloud migration; Analyzed market segmentation, customer ranking and marketing strategies deployment based on statistical modeling, web analytics and customer profile / transaction analysis • Working on big data analysis and score card ratings to find out premium clients and determine pricing strategy for premium technical support team • Build UI for corporate financial planning to help higher manager make decision • Built and developing a sophisticated auto-adjusted (ARMA) pricing model for the most popular social media advertisement campaign bidding system and strategy investigation; • Enhanced the predictive model to forecast the rail car wheels failure for operation research department in a top tier rail car company ### Quantitative Analyst / Assistant Trader @ Nomura Asset Management Jan 2010 – Jan 2011 | New York, USA • Worked at a fixed income trading desk in a hedge fund inside Nomura Asset Management. • Designed and automated scenario analysis on risk model (VAR) to determine the impacts of historical data on various portfolio using VBA and MySQL; Upgrading, maintaining and testing VAR model • Designed and developed the core query system for new UCITS fund by algorithm programming using VBA • Developed an algorithm to automate daily update process for mortgage data from email to MySQL database • Assisting 3 traders for trade allocation and hedging; trading execution and follow up; coordinating with middle office; trouble shooting during trading process; controlling trading risk; monitoring market moving • Maintaining and updating swaption/credit-option calculators; updating HY/IG, mortgage, sovereign, treasury data daily • Preparing trading files, risk reports, trading P/L, market analysis reports daily ## Education ### PhD in Computational Materials Science University of Rochester ### Bachelor in Materials Science and Engineering Zhejiang University ### Research Scientist in Computational Materials Science Stevens Institute of Technology ## Contact & Social - LinkedIn: https://linkedin.com/in/jing-cheng-46394211 --- Source: https://flows.cv/jingcheng1 JSON Resume: https://flows.cv/jingcheng1/resume.json Last updated: 2026-04-12