# Yongjun S.

> KDB/Q Developer

Location: New York City Metropolitan Area, United States
Profile: https://flows.cv/yongjun

## Work Experience
### Software Engineer | KDB/Q Developer @ Fidelity TalentSource
Jan 2024 – Present | Jersey City, New Jersey, United States
•	Work with Regulatory Reporting teams to build and maintain mission critical brokerage applications for reporting across multiple assets classes with very high levels of regulatory scrutiny. 
•	Extensive usage of KDB/Q, including large scale tickerplant/chained-tickerplant,rdb,hdb structures, partitions, controllers, file processing, data archive and maintenance, architecture, design, research and optimization.
•	 Heavy usage of Scripting, Git, Jenkins, uDeploy etc.

### Vice President, Quantitative Analyst @ SANFORD C. BERNSTEIN LIMITED
Jan 2006 – Jan 2024 | 1345 Avenue of the Americas, New York, NY  10105
•	Design and develop algorithmic trading engine using JAVA / KDB and Q for global equity markets.  
•	Manage tick-level market data for global equities using KDB and Q.
•	Manage equity master and index membership using Bloomberg feeds.
•	Co-design and implement internal web site using JavaScript  REACT to provide tools for traders: real-time trade monitoring, Pre-Trade analysis, Post-Trade impact reports, long-term performance analysis, and other customized market info.
•	Linux/ Solaris shell scripting for process and resource monitoring.
•	Day to day core technology operations

### Associate @ JPMorgan Chase & Co.
Jan 2005 – Jan 2006 | 270 Park Avenue New York, NY 10017
Global Credit Risk Management

### Senior Software Engineer @ eLearner
Jan 2002 – Jan 2005 | Marine View Plaza, Hoboken, NJ 07030


## Education
### Doctor of Philosophy - PhD
Columbia University

### Master of Science - MS
Graduate School of Chinese Academy of Sciences

### Bachelor of Science - BS
University of Science and Technology of China


## Contact & Social
- LinkedIn: https://linkedin.com/in/yongjunsu

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Source: https://flows.cv/yongjun
JSON Resume: https://flows.cv/yongjun/resume.json
Last updated: 2026-04-13