About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: Data Engineering Expert Type: Contract Compensation: $90–$125/hour Location: Remote Role Responsibilities Build long-horizon pipeline tasks with deterministic rubrics to grade agent performance against verifiable ground truth. Develop ETL/ELT pipelines and dbt models to produce specified output tables with incremental logic and defined watermark behavior. Create Airflow/Dagster DAGs that pass test suites and data quality tests with known pass/fail cases. Design warehouse schemas matching defined contracts and performance targets tied to measured query-time budgets. Work independently in long focus sessions to create challenging scenarios for agent evaluation. Ensure tasks have checkable answers without open-ended essays or subjective ...