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About the Role
We're looking for experienced scientists and engineers who are native or fluent in Spanish to help train and evaluate AI agents on realistic professional tasks.
What You'll Do
Building workspaces: reviewing files, memos and records a real team would have for a project or case.
Writing tasks: drafting realistic requests in your language that a colleague or client might send, grounded in local practice, regulations and terminology.
Defining what good looks like: writing clear grading criteria and checking whether an AI agent's work would meet your professional standard.
Reviewing AI work: going through an agent's step-by-step work, spotting mistakes such as wrong calculations, missed details or incorrect local rules, and correcting them.
You're a Good Fit If You
Experience as a scientist or engineer in research or industry (master's or PhD a plus)
Native or fluent in Spanish
Bachelor's degree from a recognized institution in Spain
Comfortable with quantitative analysis, technical documentation and data-heavy problem solving
Details: Remote, about 21 hours per week, hourly, pilot running Oct 23 to Nov 19.
Independent contractor engagement. Apply via the link below - Mercor handles onboarding and pays weekly via Stripe or Wise.
Common Questions
Mercor has a reliability rating of very reliable based on the listings we track, with an onboarding time of 1-3 weeks (interview + assessment + trial). See our full Mercor review for the details behind that rating.
Applying takes you to Mercor's own website, where the application is completed. We are not a recruiter or employer and do not process applications directly - we may be recorded as the referring source.
$50/h - Independent contractor engagement. Apply via the link below - Mercor handles onboarding and pays weekly via Stripe or Wise.
Building workspaces: reviewing files, memos and records a real team would have for a project or case. Writing tasks: drafting realistic requests in your language that a colleague or client might send, grounded in local practice, regulations and terminology. Defining what good looks like: writing clear grading criteria and checking whether an AI agent's work would meet your professional standard.
Opens Mercor in a new tab. You pay nothing; we may earn a referral fee.
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About Mercor for this role
We track 354 open Mercor roles on AI Work Expert. Across 479 hourly listings, the typical Mercor rate runs from $64 to $90 an hour; this role lists $50/h. Our reliability rating for Mercor is very reliable, with an onboarding time of 1-3 weeks (interview + assessment + trial).
