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Verified partner opportunity

STEM Expert, Spanish (Spain) - AI Training

$50 / hour

MercorRemote - country eligibility not specifiedHourly contract

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.

Is this a fit?

  • Review the official description below for experience and equipment requirements.
  • Confirm location eligibility, language requirements and weekly availability with the partner.

Apply on Mercor

Complete your application with Mercor. No HumanitApp account or fee.

What happens next

  1. Continue to the official listing and enter your application details; have your resume ready.
  2. Complete the role-specific screen or assessment requested by the partner.
  3. Confirm availability, location eligibility and work authorization if requested. The partner determines the exact process.
Application completion checklist →

Last verified 2026-10-15

Exact listing verified. HumanitApp is independent from Mercor and may receive a referral fee; the partner controls assessment and hiring.

Read our Mercor review
Ready to continue?STEM Expert, Spanish (Spain) - AI Training

Talent Networks in this field

Future projects, not immediate vacancies. Check each network's country and experience requirements.

See all in STEM →
  • Arts & Design Expert →$60 - $80 / hour · Remote - country eligibility not specified
  • Biologist Talent Network →$60 - $80 / hour · Remote - country eligibility not specified

Official role description

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. You'll build workspaces and files, write prompts, and create grading rubrics based on real stem work as it's done in Spain.

Requirements • 5+ years as a scientist or engineer in research or industry (master's or PhD a plus) • Native or fluent in Spanish • Degree from a top-20 university 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.

Relevant skills

AI evaluationResearch

Compensation context

The listing states $50 / hour. Confirm the final rate, workload, and payment terms during the official application process.

Qualification checklist

  • Review the official description below for experience and equipment requirements.
  • Confirm location eligibility, language requirements and weekly availability with the partner.

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Before you apply

Referral and application questions

Can I start immediately through an Instant Work Offer?

This listing is not a promise of immediate work. Mercor may send separate offers to prequalified candidates. Read how Instant Work Offers work.

How should I compare the listed pay?

The listing states $50 / hour. Confirm the final rate, workload, and payment terms during the official application process.

Does Apply use a referral link?

Yes. The button opens the exact verified Mercorlisting using the referral URL published for this role.

Is HumanitApp the employer?

No. HumanitApp independently curates the opportunity. The partner platform manages applications and hiring decisions.

Must I share my details here?

No. Choose the primary Apply action to continue directly without giving HumanitApp your name or email address.

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