AI Trainer: Mathematics Specialist (Remote, Portugal)

Meridial; Portugal; Remote; EUR 7,274 - 78,810; Part time

Benefits offered by this job

Flexible remote work hours

Competitive pay based on expertise

Job summary

Meridial is seeking a Mathematics Specialist fluent in Portuguese to contribute to an AI training project. The role is remote with a flexible work schedule.

Ideal candidates will have a master’s or PhD in mathematics, along with experience in algebra, calculus, and statistical methods. Responsibilities include engaging with AI models on advanced mathematics and improving their training data quality.

Competitive hourly pay will be offered based on expertise and experience.

Qualifications

• Proven background in topics like linear algebra, differential equations, and probability distributions.
• Experience in teaching and communicating mathematical concepts clearly.
• Ability to verify factual accuracy and logical soundness.

Responsibilities

• Converse with AI models on theoretical mathematics questions.
• Verify accuracy and suggest improvements to model reasoning.
• Document failure modes to enhance training data.

Skills

Expertise in algebra

Fluency in Portuguese

Experience in mathematical modeling

Understanding of statistics

Knowledge of calculus and number theory

Education

Master’s or PhD in mathematics or related field

Job description

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

Portugal

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

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