Subhajit B.

AI Research at American Express

Role
Analyst - Ai Research at American Express
Location
Delhi, IN
LinkedIn followers
500 followers
Research & DevelopmentView LinkedIn profile

About Subhajit B.

I\'m passionate about Geometric Deep Learning and building low-latency, high-performance ML systems. I\'ve collaborated with academic researchers at IIM Ahmedabad and IIM Ranchi, with two of our papers on maifold learning and knowledge graphs published in top-tier journals: Engineering Applications of Artificial Intelligence (A category) Decision Support Systems (A* category) At American Express, I spent two years in the AI Research team, where I: • Built a data valuation framework using TreeExplainer and CUDA-accelerated optimization • Enhanced model interpretability and CUDA-accerated optimization for proprietary line models • Developed a hyperparameter tuning framework for modeling teams by experimenting with the sequence and selection of hyperparameters, and leveraging multi-objective optimization to balance model performance and complexity using Pareto front analysis • Designed an insight generation engine powered by LLMs and autonomous AI agents

Experience

  1. Analyst - Ai Research

    American Express

    Jun 2023 — Present · Gurugram, IN

Education

  • Georgia Institute of Technology

    Master of Science, Computational Data Analytics

  • Indian Institute of Technology, Kharagpur

    Bachelor of Technology - BTech, Chemical Engineering with Minor in Mathematics & Computing

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Subhajit B. — Analyst - Ai Research at American Express in Delhi, IN | Unifers