STEM Expert, Spanish (Spain)
- Pay: $50 / hour
- Contract: Contract
- Who can apply: Spain
- Posted Oct 14, 2026
In short
Join Mercor as a freelance STEM Expert to train AI agents in Spanish. You will earn 50 USD per hour working about 21 hours per week remotely on a pilot running from Oct 23 to Nov 19.
What you will do
- Build digital workspaces with documents, spreadsheets, and emails
- Write realistic professional tasks in Spanish grounded in local practices
- Define grading criteria to evaluate AI agent performance
- Review AI work step-by-step to spot and correct mistakes
What you need to apply
- Experience as a scientist or engineer in research or industry
- Native or fluent in Spanish
- Bachelor's degree from a recognized institution in Spain
- Comfortable with quantitative analysis and technical documentation
Who can apply
Residents of ES may apply for this remote freelance position.
My tip
We suggest highlighting your quantitative analysis skills and engineering or science background clearly in your application.