Data Engineering Expert

Data Engineering Expert | $140–200/hr | Remote (UK-Based) Mercor is recruiting experienced Data Engineering professionals for a short, intensive project with a globally leading AI lab. Your professional expertise will directly shape the tasks and evaluation rubrics used to train and assess frontier AI models — making your real-world judgement the core of what drives value in this engagement. What You'll Do You will produce professional documents and deliverables representative of your day-to-day work, collaborating alongside experts from complementary domains.

These outputs are logged and used to build training and evaluation frameworks for cutting-edge AI systems. Who We're Looking For We are seeking hands-on Data Engineers who build and own pipelines in production. Relevant titles include: Data Engineer (Mid, Senior, or Staff level) Analytics Engineer Data Platform Engineer Data Architect Core technical stack: SQL and Python proficiency Experience with ETL/ELT, orchestration, streaming, and data warehousing Familiarity with tools such as Spark, Kafka, Airflow, dbt, Snowflake, BigQuery, or Databricks Cloud experience on AWS, GCP, or Azure Commitment & Schedule 40 hours per week from 14 September to 10 October 2026 Collaboration follows a UK business-hours rhythm Candidates should not have other significant project commitments during this period; smaller side projects can be discussed Vetting Process Resume and work history review Short domain expertise assessment Important: Candidates must be based in the United Kingdom and hold the right to work in the UK.

This is a strict and essential requirement for this role.