Data Engineering
- Snowflake, Databricks & BigQuery Warehouse and lakehouse design with medallion architecture (bronze/silver/gold), clustering keys, and cost-aware compute policies.
- Stream processing Kafka, Kinesis, and Flink pipelines for real-time ingestion, windowed aggregations, and event-driven analytics triggers.
- Data governance Cataloging (Collibra, Purview), PII masking, row-level security, retention policies, and GDPR/CCPA compliance workflows.