Meridial · Language
Mathematics Specialist (Fluent in Spanish - Spain)
Listed on Meridial as “Mathematics Specialist (Fluent in Spanish - Spain) - Freelance AI Trainer Project”
How this rate compares
This listing
$65 per hour
Typical in Language
$8–$65 per hour
Within the typical range
Typical: the middle of the lowest and highest rates posted by 513 listings in this category on MantaWork, in US dollars.
What this actually is
You evaluate AI responses in the target language, rate translation quality, write prompts in your native language, and flag errors. Not professional translation work in the traditional sense. The platform title (Mathematics Specialist (Fluent in Spanish - Spain) - Freelance AI Trainer Project) reflects the rate band and the expertise required, not the day-to-day work.
Original posting from Meridial
Work location: Remote, listed for Spain
Pay: $65 an hour, as the posting states it.
Are you a mathematics expert fluent in Spanish (Spain), eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of scientific discovery. With high‑quality training data, tomorrow’s AI can democratize world‑class education, keep pace with cutting‑edge research, and streamline academic work for students and professionals everywhere. That training data begins with you-we need your expertise to help power the next generation of AI.
We’re looking for mathematics specialists who live and breathe algebra, calculus, number theory, linear algebra, differential equations, statistics, geometry, mathematical logic, and discrete mathematics. You’ll challenge advanced language models on topics like real and complex analysis, optimization theory, mathematical proofs, set theory, probability distributions, cryptographic algorithms, and applied mathematics-documenting every failure mode so we can harden model reasoning.
On a typical day, you will converse with the model on classroom problems and theoretical mathematics questions, verify factual accuracy and logical soundness, capture reproducible error traces, and suggest improvements to our prompt engineering and evaluation metrics.
A master’s or PhD in mathematics or a closely related quantitative field is ideal; peer‑reviewed publications, teaching experience, research in pure or applied mathematics, or hands‑on experience with mathematical modeling signal fit. Clear, metacognitive communication-“showing your work”-is essential.
Ready to turn your mathematics expertise into the knowledge base for tomorrow’s AI? Apply today and start teaching the model that will teach the world.
We offer a pay range of $6-to‑$65 per hour, with the exact rate determined after evaluating your experience, expertise, and geographic location. Final offer amounts may vary from the pay range listed above. As a contractor you’ll supply a secure computer and high‑speed internet; company‑sponsored benefits such as health insurance and PTO do not apply.
Job title: Mathematics Specialist (Fluent in Spanish - Spain) - AI Trainer
Employment type: Contract
Workplace type: Remote
Seniority level: Mid‑Senior Level
Quoted from Meridial's public listing on 2026-11-15. We don't edit platform copy; honest framing is in the title and the “what this actually is” block above.
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