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Chhayank
Jain
Senior Machine Learning Engineer
Visa
Chhayank Jain is a Senior Machine Learning Engineer at Visa, where he builds AI infrastructure for payment and fraud decisioning systems. His expertise includes low latency inference, large language models, agentic AI, and production machine learning at scale. Before joining Visa, he led clinical AI initiatives at General Genomics, developing LLM pipelines and predictive models that transformed over 100 million electronic health records into actionable insights. He holds a Master's degree in Computer Science from Arizona State University and has published research in financial machine learning and AI systems. Chhayank also contributes to the open source Project MONAI, helping advance medical AI infrastructure while combining research with practical engineering for real world applications.
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19 August 2026 10:30 - 11:00
You can't unit test an agent: Building eval frameworks for agentic AI in financial services
Evaluating a single LLM call is hard enough. Evaluating an agent that plans, calls tools, revises its approach, and returns an answer three steps later is a different problem entirely. In this session, Chhayank Jain will cover what a practical eval framework looks like for agentic systems in financial services, from trajectory evaluation and LLM-as-judge pipelines to the observability layer you need to catch silent degradation before your risk team catches it first. Key takeaways: - Why pass/fail unit tests break down for multi-step agentic workflows - How to build trajectory evaluation pipelines for non-deterministic systems - Observability patterns that catch silent degradation in production - What a minimum viable eval stack looks like for regulated financial environments