Kangrui Ruan
Applied Scientist at Amazon Web Services (AWS)
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolKangrui Ruan is an applied scientist with 11 years of experience blending machine learning research and engineering, currently working on LLMs for coding and multi-turn RL agents at AWS AI Lab. He holds a PhD from Columbia focused on deep learning, causality, and smart-city transportation, and has published research across causal inference, reinforcement learning, and representation learning. His background spans academia and industry—research at Columbia, an Amazon AGI Foundations internship, and practical ML engineering on multi-vehicle tracking with 90% accuracy—demonstrating an ability to move ideas from theory to production. Based in New York, he seeks machine learning/data science internship or research opportunities and brings a cross-disciplinary foundation in civil engineering and law that informs his systems-level approach to real-world problems.
11 years of coding experience
4 years of employment as a software developer
bachlor, Civil Engineering, bachlor, Civil Engineering at Tongji UniversityBachelor's degree, Civil Engineering, Bachelor's degree, Civil Engineering at UPC School (Universitat Politècnica de Catalunya)Doctor of Philosophy - PhD, Smart Cities, Deep Learning, Causal inference, Doctor of Philosophy - PhD, Smart Cities, Deep Learning, Causal inference at Columbia University in the City of New YorkAdvanced Infrastructure Systems, Advanced Infrastructure Systems at Carnegie Mellon University
Stackoverflow
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Github Skills (9)
api7
restful6
rest-api6
rest6
exiftool5
restful-api5
web-components4
java4
api-management3
Programming languages (2)
Github contributions (5)
di-ruan/RestAPIManagement
Feb 2015 - Jan 2020
A service for Restful API management
Contributions:21 commits, 21 pushes, 1 branch in 4 years 11 months
apirestfulrestapi-managementrest-api
jilikuang/Query_Expansion
Feb 2015 - Feb 2015
Contributions:27 commits in 23 days
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