Summary
Feifan Xu is an Algorithm Engineer at ByteDance with eight years of experience and about three years focused on developing, maintaining, and optimizing ROI-driven advertising products at scale. He specializes in end-to-end ad product infrastructure—targeting, recall, model prediction, and bidding strategy—and has owned and optimized ROI products handling roughly ¥3 million in daily ad spend. With a Master's in Electrical and Computer Engineering from UC San Diego, he combines rigorous signal-processing and ML foundations with practical production skills to squeeze efficiency from complex ad stacks. Based in Beijing, Feifan currently optimizes specialized ROI solutions for an internal user-growth team, demonstrating both product ownership and cross-functional impact beyond pure algorithm design.
8 years of coding experience
Master's degree, Electrical and computer engineering, 3.4, Master's degree, Electrical and computer engineering, 3.4 at 美国加州大学圣迭戈分校
Bachelor's degree, Metallurgical Engineering, Bachelor's degree, Metallurgical Engineering at 东北大学