Mathematics Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project

agency· Finance & Mathematics
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📍 Brazil

About this role

Are you a mathematics expert fluent in Portuguese (Brazil), 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 Portuguese - Brazil) – AI Trainer
Employment type: Contract
Workplace type: Remote
Seniority level: Mid‑Senior Level

Frequently Asked Questions

Is the salary disclosed for the Mathematics Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project position at agency?
The salary for this Mathematics Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project role at agency is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Mathematics Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project position at agency located?
This Mathematics Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project role at agency is based in Brazil. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Mathematics Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project at agency belong to?
This Mathematics Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project position is part of the Finance & Mathematics department at agency. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Mathematics Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project position at agency?
Click the "Apply Now" button on this page. You will be redirected to agency's official application portal hosted on greenhouse where you can submit your application directly.
When was the Mathematics Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project job at agency posted?
This Mathematics Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project position at agency was posted on Jun 13, 2025. Apply as soon as possible — early applications are often reviewed first.
Mathematics Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project
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