Kevin Yen
Research Engineer @ Yahoo!
About me
- US citizen, Data Science + Applied Machine Learning.
- Areas include: Ad Tech, Content & Ad integrity with Vision and NLP, and more.
- Tech stacks include: Spark, TensorFlow, K8s, AWS, Airflow, and more.
Major Projects
- Ad SSP and Ad Exchange -
Data Science, AWS EMR
- Ads Integrity -
NLP, Vision, Data Science, AWS ECS, Chrome Extension
- System precision improved 3x – from 33% to 97%
- Interactive Ads Optimization -
NLP, K8s
- Decrease model latency 3x – to sub 1 sec
- UGC Integrity -
NLP, Vision, K8s
- Reduced error rate by 10%
- Enterprise Network Security -
Data Science, Hive, Spark
- Netflow Enrichment and Exfiltration Detection at scale
- User Login Security -
Data Science, General ML
- Notebook Automation -
Hadoop, JupyterHub
Work experience
- 2017 - present, Yahoo!, New York City, USA
- The projects listed above are all done within this period
- 2012, Lisco Global Solutions LID., Taipei, Taiwan
- Summer internship, feature implementation and Microsoft Office integration
Education
- 2015 - 2017, Master’s Degree, Computer Science. The Ohio State University, USA
- Data Visualization and Visualization Systems
- 2010 - 2014, Bachelor of Science, Computer Science. National Central University, Taiwan
- Human-Computer Interaction
Languages
- Current/Fluent: Python
- Prior Experience: Scala, TypeScript, JavaScript, Java, LUA, C++, Golang, PHP