Ritesh Kumar Sinha Email & Phone Number

A highly skilled IT professional with 9.8 years of experience, including over 4 years in Data Science and 1+ years specializing in Generative AI and Retrieval-Augmented Generation (RAG) Large Language Models (LLMs). Proficient in a broad range of technologies including Supervised Learning, Deep Learning, Natural Language Processing (NLP), Transformers, GANs, and Random Forests, model evaluation. Expertise in Python, Hugging Face, LangChain, FAISS, PostgreSQL, and cloud platforms like Google Vertex AI. Demonstrated success in driving innovation in complex projects such as offline stores book recommendation systems, dynamic retail price optimization to grow CPM, and NLP-based chatbots to fetch status of process, with a strong focus on data privacy and Personal Identifiable Information (PII) masking.