Senior Data Scientist / Senior AI/ML Engineer at UPS

Architected route optimization platform using reinforcement learning and operations research for 100K+ daily routes; developed package volume forecasting with LSTM and XGBoost; built generative AI customer service assistant using GPT-4, LangChain, and RAG with FAISS for large-scale inquiries; deployed models on AWS SageMaker and ROS2-based robotics platform; implemented AI-driven hub operations optimization, dynamic pricing, and driver safety analytics; established secure enterprise integrations and AI observability.

Senior Data Scientist at Visa

Engineered real-time fraud detection platform using deep learning and ensemble methods; developed transaction authorization optimization and merchant risk assessment; architected payment network analytics on GCP (BigQuery, Vertex AI, Dataflow); built customer spending analytics, chargeback prediction, and cross-border transaction monitoring; designed MLOps infrastructure and automated evaluation frameworks; developed domain-specific conversational agents and SQL-generation capabilities.

Machine Learning Engineer at General Electric (GE)

Built predictive maintenance platform for industrial equipment using ML and IoT sensor analytics; developed energy production optimization and quality control models using CV and statistical methods; designed supply chain demand forecasting and aviation fuel efficiency models; created digital twin simulations and spare parts optimization; established model monitoring and scalable data infrastructure; produced Tableau dashboards for operations and service teams.