Mathematics Specialist – Spanish (Latin America) – Freelance AI Trainer

About the role

We are seeking a mathematics expert fluent in Spanish (Latin America) to help train large‑scale language models. You will work remotely, interacting with AI systems on classroom‑level and advanced theoretical problems to improve their mathematical reasoning.

Key responsibilities

• Engage with the model on algebra, calculus, statistics, geometry, and other math topics.
• Verify factual accuracy and logical soundness of model responses.
• Document failure modes and capture reproducible error traces.
• Suggest improvements to prompt engineering and evaluation metrics.

Required profile

• Master’s or PhD in mathematics or a closely related quantitative field.
• Peer‑reviewed publications, teaching experience, or research in pure/applied mathematics is a plus.
• Fluent in Spanish (Latin America) with clear, metacognitive communication (“show your work”).

Required skills

• Algebra, Calculus, Number theory, Linear algebra, Differential equations, Statistics, Geometry, Mathematical logic, Discrete mathematics.
• Real and complex analysis, Optimization theory, Mathematical proofs, Set theory, Probability distributions, Cryptographic algorithms, Applied mathematics.

What we offer

• Hourly pay ranging from $6 to $65, determined by experience, expertise, and location.
• Remote freelance contract – you provide a secure computer and high‑speed internet.
• No company‑sponsored benefits such as health insurance or PTO.