Haichen Liu is a skilled technology professional with extensive experience in software development and engineering across various prominent companies. Currently serving as a Member of the Technical Staff at xAI since November 2025, Haichen previously held the role of Staff Engineer & Technical Lead at Pinterest, focusing on ads machine learning infrastructure and ads retrieval systems. Prior positions include Software Developer at Dropbox, Software Engineer at Microsoft, and diverse software engineering roles at Jobscan.co and Titto. Haichen’s academic background includes a Master of Science in Computer Science from the University of Chicago and a Bachelor's degree in Electrical and Electronics Engineering from Shanghai Jiao Tong University, with ongoing studies at Stanford University.
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