About

Lei Shi is an experienced ML Engineering Manager currently working at Meta. With over 11 years of relevant experience, Lei has a strong background in data mining, machine learning, deep learning, statistical modeling, recommendation systems, natural language processing (NLP), and computer vision. Lei's specialties include data mining systems, information retrieval systems, deep learning, computer vision, and recommendation systems. Prior to joining Meta, Lei worked as the Director of Machine Learning at nullmax inc. 纽劢科技（上海）有限公司, where he led a team to build an autonomous driving perception system from scratch. He also researched and developed algorithms in the field of object detection, computer vision, and deep learning. Before that, Lei worked as a Staff Data Scientist at Walmart, where he worked on data science modeling behind SEM, SEO, and Ads in the Customer Acquisition team (Growth Team). Lei holds a Ph.D. in Computer Science from the University at Buffalo, where he focused on data mining and machine learning. He also holds a Master's degree in Computer Science from the University at Buffalo and a Master's degree in Electrical Information from Sichuan University. He completed his Bachelor's degree in Electrical Information from Sichuan University. Lei's tech stack includes expertise in Senior Software Engineering, ML, Recommendation Systems, Computer Vision, Deep Learning, NLP, Information Retrieval, Object Detection, Software Engineering, Object Detection, Data Science, and Research Science. Lei's experience and skills make him a valuable asset to any organization looking to build and deploy ML systems.