Ray Lei is a qualified professional, who works in Two Sigma main office of which is in 4. as a Product Manager from 2019. Ray has earned professional experience in more than seven positions at various companies. Ray Lei went to the University of Pennsylvania and got education from 2015 to 2016. Massillon, Ohio is the city, where this professional was lastly known to settle. This professional's phone and email can be easily accessed through this website on demand.
Name variants:
Raymond Lei,
Reynold Lei,
Rachel Lei,
Regina Lei
Last updated Jun 13, 2024
Contact Information
Workplace
Colleagues
Work History
Software Engineering Intern
415 Kearny St, San Francisco, CA 94108
Building the technology powering the new wave of lending.
Jun 2016 — Aug 2016
Data Science Intern
San Mateo, CA
Generated new features, effective labeling and measurement matrix to train Random Forest Classifier (RFC). Using RFC score as a probabilistic approach to improve accuracy of core pairing fea...
May 2015 — Aug 2015
Engineering Fellow
2750 Sand Hill Rd, Menlo Park, CA 94025
A highly competitive program (acceptance rate < 3%) for young technologists to work in exciting startups backed by KPCB and experience the core of Silicon Valley.
May 2014 — Aug 2014
Software Engineering Intern
New York, NY
Migrated the functionality for returning an item online from PHP to Ruby on Rails. Produced maintainable, efficient and fully tested code with redesigned architecture.
May 2014 — Aug 2014
Software Engineering Intern
19 west 21St St SUITE 202, New York, NY 10010
Worked full-stack, on-demand as a backend engineer. Projects included internal dashboard for non-technical members, load-balancing and database configuration, and web-plugin for easy install...
Apr 2013 — Aug 2013
Education
2015 — 2016
2012 — 2016
2009 — 2012
Occupations
Executive
Produce Manager
IT Professional
Computer Software Professional
Project Manager
Production Manager
Software Developers
Project Managers
Skills
Java
Python
Apache Pig
Ruby on Rails
Computer Science
Economics
Teamwork
Systems Engineering
Research
Cantonese
Algorithms
Public Speaking
Project Management
Photoshop