Subhajit B.
AI Research at American Express
- Role
- Analyst - Ai Research at American Express
- Location
- Delhi, IN
- LinkedIn followers
- 500 followers
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
Analyst - Ai Research
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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