Qinyu Wang
Senior Software Engineer
San Francisco,CA
Summary
Senior Software Engineer working on Facebook Marketplace with expertise in recommendation system, deep learning based ranking model, ads bidding, two-sided marketplace and product management. Also had previous working experience in data science, fluent in data-driven product development.
Overview
5
5
years of post-secondary education
5
5
years of professional experience
Work History
Senior Software Engineer
Facebook
Menlo Park, CA
03.2018 - Current
- Increased overall MP user activeness by over 8%, Marketplace Ads revenue by 6%.
- Drove Marketplace growth through End-To-End personalized recommendations on News Feed.
- Expert in tech stacks including ranking, bidding, targeting, integrity, efficiency and reliability.
- Highly cross functional work with partners from Marketplace frontend team and News Feed recommendation backend team, which naturally cultivates product management and communication skills.
- Expert in data-driven product development, identify key growth opportunities through rigorous AB testing and analysis.
- Mentored junior team members and interns with exceed expectation rating and return offers.
Manager
American Express
New York, NY
02.2016 - 02.2018
- Implemented card and offer recommendation system.
- Established first US credit line modeling.
- Innovated high value default modeling.
Education
Master of Engineering - Operations Research
08.2014 - 12.2015
Bachelor of Science - Mathematics
09.2010 - 06.2014
Skills
Recommendation System
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