Job Title: Data Engineer-L3 Location: Los Angeles, CA USA _ Need locals Key responsibilities Serve as L3 support: triage high-severity incidents, perform advanced debugging/root-cause analysis, deploy hotfixes, and create runbooks for L2 teams. Build and maintain batch/streaming data pipelines using ETL/ELT tools (dbt,) to integrate and transform multi-source data. Implement data quality validation, monitoring, alerting, and documentation; optimize pipelines for performance, cost, and reliab