Shirisha G.

About Shirisha G.

Senior Data Engineer with 10+ years of experience designing, building, and optimizing…

Experience

1. Senior Data Scientist Machine Learning Engineer

   Advisor360°

   Dec 2023 — Present · US

   Led projects across GenAI/NLP, AI-powered personalization, chatbot automation, financial product recommendation, and fraud detection domains. Delivered scalable ML pipelines for time-series forecasting, customer experience optimization, and internal knowledge retrieval using cutting-edge LLM frameworks. Designed and deployed a full-stack Retrieval-Augmented Generation (RAG) system using LangChain, OpenAI GPT-4, and Vector DB (FAISS) for internal knowledge search, reducing manual documentation lookup time by 75%. Fine-tuned domain-specific LLMs (LLAMA2, GPT-4, Mistral) for summarization, sentiment analysis, and text classification, achieving 30–40% uplift in NLP task accuracy. Developed prompt engineering templates (zero-shot, few-shot, CoT) for chatbot interactions, content generation, and document summarization, improving task precision and user satisfaction by 3x. Integrated RAG-based LLM chatbot into internal developer tools using Azure OpenAI and LangChain, reducing support ticket volume by 40%. Integrated AI-powered chatbots for internal IT support using Microsoft Bot Framework, Azure LUIS, and OpenAI, reducing service resolution time by 40%. Implemented GPT-4 and GPT-3.5 models via OpenAI for dynamic content generation, multilingual translation, and executive email drafting. Leveraged BERT and RoBERTa models for intent classification and sentence embedding, enhancing document categorization accuracy by 35%.

Education

• Jawaharlal Nehru University

  Bachelor of Technology

  2010 — 2014