Shasvat is a Staff Machine Learning Scientist at Walmart, where he is involved in developing core ML models that power Walmart's Adtech platform (Sponsored Search). He is the technical lead in AdTech Science group with a focus on semantic query and item understanding, product retrieval, and ranking for sponsored search in e-commerce. He leads end-to-end development of ML and LLM systems—from data strategy and model training to distillation, evaluations and low-latency online serving. His work connects deep semantic understanding with large-scale retrieval, ranking, and optimization to improve relevance, engagement, and revenue. He partner closely with Engineering, Product, Analytics, and Business teams to drive measurable impact through rigorous evaluation and A/B testing.