Prashant Devadiga

About Prashant Devadiga

I have more than 20 years of experience spread across research and application of machine…

Experience

1. Head - Data Science & Ai

   National Payments Corporation Of India Npci

   Dec 2022 — Present

   AI/ML at scale @ NPCILeading the development of a sovereign LLM model for fintech, emphasizing large-scale token aggregation and domain-specific data to enhance accuracy. Designing customized evaluation frameworks to ensure robust and compliant model performance tailored for fintech needs. Generating synthetic supervised fine-tuning data using advanced generative AI techniques. Conducting continuous pretraining and fine-tuning of large language models on multi-GPU clusters for scalable, high-precision results. Developing agentic AI chatbots for autonomous, public good fintech applications. Payments fraud modeling and research while building large-scale infrastructure and technologies.Applying advanced algorithms (deep learning using pytorch) and associated ideas in a nuanced manner specific to various payments fraud use cases such as account-take over and transaction frauds (Person to Person & Person to Merchant).Deployed large scale machine learning and graph learning algorithms to advance the capabilities of NPCI’s fraud detection and Anti money laundering platform.Auto-encoders, ML models, Markovian Process modeling (MCMC), Adversial learning, anomaly detection, Large Language Models ( LLM ), RAG and PeFT, Generative Transformer Models.