Harbhajan Singh

Built a PowerApps-based real-time pipeline monitoring application, delivering $700K in overall cost savings and improved visibility into deal activities. Designed end-to-end data pipelines for ingestion, transformation, and validation to support scalable analytics. Created interactive dashboards and KPI visualizations for real-time business insights. Developed forecasting models, predictive analytics, and sentiment analysis solutions to inform decision‑making across origination teams.

Contributed to a RAG-based AgPal chatbot, automating test scripts with Azure OpenAI services (Prompt Flow, Semantic Kernel, LangChain). Evaluated LLM responses against GroundTruth and Groundedness scores. Implemented deduplication tool improvements, and led data collection for arthropod detection. Created a dashboard to monitor project status and boosted team productivity by 30%.

Led end-to-end development of a Retrieval-Augmented Generation (RAG) product using OCR to extract text from PDFs (including scanned documents). Applied BERT-based data correction to fix spelling errors and stored results in a database. Built a Streamlit UI integrating LLMs (e.g., GPT-3.5-turbo) to answer user queries based on a connected knowledge base.