AI-Based Credit Card Fraud Detection System
Developed fraud detection models using Logistic Regression, Random Forest, and ANN; performed feature engineering, preprocessing, and imbalance handling; evaluated models using Precision, Recall, F1-Score, and Accuracy; built a Streamlit application for real-time fraud prediction and monitoring. Technologies: Python, Scikit-learn, TensorFlow.
LLM-Powered Document QA System (RAG)
Built a Retrieval-Augmented Generation pipeline for document-based question answering; implemented semantic search using embeddings stored in FAISS vector databases; integrated OpenAI APIs through LangChain; designed scalable document retrieval and response workflows; developed an interactive document querying interface. Technologies: Python, OpenAI API, LangChain, FAISS.
Zomato Clone – MERN Stack
Developed a full-stack application with JWT-based authentication and authorization; designed scalable REST APIs and optimized MongoDB queries through indexing; implemented modular client-server architecture. Technologies: MongoDB, Express.js, React.js, Node.js.