Data Engineer

Trewox connects experienced professionals with paid projects supporting AI teams. The Data Engineer reviews and evaluates data work, provides written feedback, and creates tasks and evaluation materials across data pipelines, warehousing, analytics, and experimentation.

Responsibilities:

• Review and assess data work, including SQL, pipelines and analytics reports
• Give clear, detailed written feedback on correctness and reasoning
• Create realistic tasks, reference solutions and evaluation criteria
• Contribute to projects across ETL/ELT, orchestration and experimentation

Requirements:

• 3–5+ years building and owning production data pipelines
• Strong SQL and Python
• Experience as a data, analytics or data platform engineer, or data architect
• You must be authorised to work in your location
• Owned a warehouse or pipeline end to end
• Debugged silent data-quality failures
• Run or critiqued A/B tests
• Snowflake, BigQuery or Databricks certifications