Build and maintain real-time data ingestion systems and warehouses for business logs, user behavior, and operational data. Design and optimize Kafka, Spark, and Flink streaming pipelines, ensuring low latency, reliability, data quality, and high availability. Collaborate with business teams, analysts, and data product managers to deliver metrics, dashboards, and data services. Establish ingestion standards, troubleshoot production issues, govern SLAs, and support cloud-based data warehouse modeling and pipeline operations.