# Jinyu (Roger) ZHANG

> Software Engineer at LinkedIn

Location: San Francisco, California, United States
Profile: https://flows.cv/jinyurogerzhang

## Work Experience
### Software Engineer @ LinkedIn
Jan 2019 – Present | San Francisco Bay Area

### Software Engineer @ Zenefits
Jan 2017 – Jan 2019 | San Francisco Bay Area

### Big Data Developer @ Fosun Group
Jan 2016 – Jan 2016 | Shanghai City, China
Financial assistant project: to provide investment team with stock transaction data via daily IM
•  Applied data ETL to transfer stock market information from Oracle to MySQL using Pentaho Data Integration.
•  Designed and built RESTful web service with Java to facilitate generating dynamic SQL statement for ETL.
•  Used Bootstrap and Spring MVC to make dashboard app; applied symmetric encryption for database security.
•  Deployed the app on the cloud; used Apache Oozie to schedule Hadoop job like sending daily message.

### Product Manager @ SAP
Jan 2015 – Jan 2015 | Shanghai City, China
ERP updating project: to forecast the demand of products based on the historical transactions
•  Cleaned the unstructured data with R by dealing with errors and inconsistencies for future analysis.
•  Explored several models with different parameters to find out optimal predictive model using SAP HANA
library; triple exponential smoothing was applied to help the user achieving 80% of accuracy.
•  Wrote code in Java and SQL to develop the prototype module; cooperated with the development team and UI team to deliver the final product to integrate in Business One.

### Data Analyst @ Bank of China
Jan 2014 – Jan 2014 | Shanghai City, China
Data mining project: to develop a classification model to improve the marketing precision
•  Cleaned and explored data using Tableau; tested several classification models to build customized model and determined the factors that influence customer behavior in credit-card-installments.


## Education
### Master’s Degree in Management Information Systems, General
Carnegie Mellon University

### Bachelor’s Degree in Management Information Systems, General
Shanghai University of Finance and Economics

### International Business
Fontys University of Applied Sciences


## Contact & Social
- LinkedIn: https://linkedin.com/in/jinyu-roger-zhang-b07226105

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Source: https://flows.cv/jinyurogerzhang
JSON Resume: https://flows.cv/jinyurogerzhang/resume.json
Last updated: 2026-04-05