Siddharth Pratap Singh

University of Delaware

Siddharth Pratap Singh is a Staff Data Scientist at Walmart Labs and former Lead ML Engineer at LinkedIn, specializing in building and scaling enterprise search systems. With over 6 years of experience in machine learning and information retrieval, he has led the development of sophisticated ranking algorithms and semantic search capabilities that have significantly improved user experiences across major tech platforms. At LinkedIn, Siddharth led a team of 6 engineers in revolutionizing the platform's Flagship Search capabilities, where his implementation of fine tuned BERT-based semantic embeddings achieved over 20% improvement in user engagement metrics. He also published pioneering work on search relevance evaluation metrics and authored technical blogs on semantic search capabilities. Currently, at Walmart Labs, he leads data science initiatives across multiple global markets, where his deep learning recommender systems have driven millions in additional revenue. His innovative work spans query understanding, embedding-based retrieval (EBR), and advanced ranking models, consistently delivering double-digit improvements in key metrics like click-through rates and search relevance. Siddharth holds an MS in Computer Science from the University of Delaware and a BTech from the Manipal Institute of Technology. He has been granted a patent for his innovations in search technology, with several more patent applications filed. His technical expertise includes deep learning, natural language processing, and vector search technologies, making him a recognized authority in modern search architecture and ML infrastructure.