Data Engineer with 6+ years of experience designing and optimizing scalable ETL/ELT pipelines and cloud data platforms on AWS, Azure, and Databricks. Hands-on expertise in PySpark, SQL, Delta Lake, and the Medallion (Bronze/Silver/Gold) architecture, with strong skills in performance tuning, partitioning, Z-Ordering, and Change Data Feed. Proven record of improving data accuracy by 15-25%, reducing ingestion time by up to 6x, and cutting project costs by ~20% through collaboration with analytics, ML, and business teams.