Description: Data Engineer building large-scale batch and streaming data platforms on AWS and GCP. Designs end-to-end pipelines in Python, SQL and Apache Airflow processing billions of events daily, powering real-time decisioning, ML models and business analytics. Experience spans warehouse architecture (BigQuery, Redshift, Druid), enterprise cloud migration and productionizing LLM workloads, with a track record of cutting infrastructure costs 30–35% at petabyte scale.