Yiwei Song
- Role
- Director of Engineering at Coupang
- Location
- Palo Alto, CA, US
- LinkedIn followers
- 500 followers
Experience
Director of Engineering
Nov 2021 — Present
I lead three teams to understand customers\' search intents and improve search relevance at Coupang. They are (1) Query understanding,(2) Product Knowledge, and (3) Search Relevance. The projects include graph-based retrieval and ranking, semantic matching, spelling correction, query rewriting, relevance model and knowledge graph. These projects led to multiple percentages improvements in GMV, purchase rate and profit for the company, and gained customers\' trust of Coupang Search.
Education
University of Illinois Chicago
Doctor of Philosophy (Ph.D.), Computer Engineering
2009 — 2013
Nanjing University of Posts and Telecommunications
Bachelor of Engineering, Network Engineering
2005 — 2009
Skills
- Wireless Networking
- Matlab
- Django
- Python
- C
- Storage Systems
- Digital Signal Processors
- Linux
- Flash Memory
- Jquery Mobile
- Applied Mathematics
- Jquery
- C++
- Algorithms
- Information Theory
- Wireless
- Java
- Machine Learning
- Embedded Systems
- Software Development
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