Aditya Singh is a Principal Engineer with 9+ years of expertise in building large-scale machine learning systems, specializing in search, recommendations, and advertising technologies. Currently leading search and personalization at Walmart International, he has transformed search infrastructure across global markets through innovative hybrid retrieval systems and generative AI solutions, garnering recognition from Reuters and TechCrunch. At Meta, Aditya served as Tech Lead for Business Messaging Ads, where his initiatives drove over 10% of company revenue. Previously at Pinterest, he elevated search and discovery systems through advanced ranking models and graph-based recommendations, significantly improving user engagement metrics.
With dual master's degrees from UW-Madison (Computer Science, Operations Research) and a bachelor's from IIT Roorkee, Aditya brings deep expertise in machine learning systems, privacy-preserving algorithms, and distributed architectures. He is proficient in PyTorch, TensorFlow, Vespa, and Milvus, with a proven track record of implementing production-scale solutions. A recognized thought leader in machine learning, Aditya holds multiple patents, has mentored 50+ engineers through technical training programs, and regularly presents at industry conferences. Based in the Bay Area, he continues to pioneer advancements in search and recommendation technologies.