4+ years of expert level experience in healthcare data: claims, encounters, eligibility, provider, and clinical/chart sources; 4+ years of hands-on production experience with Databricks / Spark (PySpark), Python, and SQL/ Lakehouse / ELT patterns, orchestration (e.g., Airflow or equivalent), and data-quality frameworks. Design, build, and operate the data pipelines and analytic tables that feed the Medicare revenue projection model (member-month grain, HCC/diagnosis history, engagement/visit flags, CMS files, program attributes).