Zejun Lin

Zejun Lin is a Senior Software Engineer at LinkedIn, specializing in AI Training Infrastructure since June 2025. Prior experience includes roles as a Senior Software Engineer and Software Engineer at Bloomberg from January 2021 to May 2025, where Zejun developed cross-platform C++ agents and Kubernetes-deployed microservices. A research internship at Baidu USA involved adapting state-of-the-art computer vision models and implementing machine learning pipelines. Previous positions include a Graduate Research Assistant role at Columbia University, a software development intern at Microsoft Research Asia, and a research assistant position at South China University of Technology. Zejun holds a Master’s degree in Computer Science from Columbia University and a Bachelor’s degree in Computer Software Engineering from South China University of Technology. Additionally, Zejun attended a summer program in Big Data Analysis at the University of Missouri-Columbia.