AI/ML Engineer
Brex
Oct 2024 - Current (1 year 9 months)
Worked on an AI-Powered Expense Intelligence System, collaborating with product managers, finance teams, and data engineers to deliver personalized spend insights, fraud detection, and budget optimization tools for corporate clients. Collaborated with data engineering to collect, preprocess, and store transactional, merchant, and category data on AWS S3. Used Python and Pandas for data cleaning, normalization, and feature extraction, resulting in a high-quality dataset with 98% completeness for model development. Build reinforcement learning models in TensorFlow and OpenAI Gym to optimize real-time budget recommendations and anomaly alerts. Designed reward functions centered around spend efficiency, policy compliance, and user engagement, a