Prateek Jha

Data Engineer @UnitedHealth Group

Delhi, IN

Led end-to-end ETL development to ensure 100% pipeline stability and data integrity for data science and UI teams by leveraging Snowflake, SQL, Python, and PySpark; built and maintained a functional, normalized data warehouse for scalable analytics.Spearheaded data standardization across 50+ Care Delivery Organizations (CDOs) in the U.S, enhancing interoperability and significantly improving data consistency across systems.Utilized Llama2 (13B parameter LLM) to intelligently process unstructured, noisy data into clean, structured datasets, enabling seamless master data integration. Achieved a 30% boost in data quality, 25% reduction in manual prep, and 40% increase in actionable insights.Developed and deployed a Python-based automation framework for data pipeline scheduling, enabling self-service onboarding for users and eliminating manual intervention. Saved 2+ man-hours per user daily with continuous, iterative enhancements.Implemented and orchestrated data workflows using Apache Airflow and partnered with data science teams to deploy ML models using MLOps best practices, ensuring monitoring, reproducibility, and scalable production readiness.

Siksha 'O' Anusandhan University

Bachelor in Technology