Piyush Sharma

Assistant Consultant @Tata Consultancy Services

Bengaluru, IN

LLM & RAG-Based Systems: Designed and implemented large language model (LLM) and Retrieval-Augmented Generation (RAG) systems, including an intelligent chat summarization and insight generator capable of extracting actionable insights from millions of customer and agent conversations within minutes. Leveraged leading platforms such as Gemini, OpenAI, Vertex AI, and GCP. Agentic AI Solutions: Developed an Agentic AI-powered solution for NL2SQL and business data visualization using the Google ADK framework. This solution enables seamless conversion of natural language queries to SQL and generates business visualizations, utilizing technologies like OpenAI, Gemini, Agentic AI, and Google ADK. Voice-Based Q&A System: Engineered a RAG and voice-enabled Q&A platform that harnesses the power of LLMs for real-time, conversational information retrieval. Automated Documentation Generation: Built an LLM-driven tool for automating the creation of Business Requirement Documents (BRDs), user stories, and test cases, utilizing Gemini, Vertex AI, and GCP. Job Failure Resolution: Developed a RAG-based system for rapid job failure analysis and resolution, integrating Vertex AI, Gemini, and GCP for robust performance. Technical Stack: Proficient in leveraging LangChain, LangGraph, Pydantic, Google ADK, Gemini, OpenAI, GCP (BigQuery, GCS Bucket, Dataproc, App Engine), and Vertex AI to deliver scalable, production-grade AI solutions.