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Mathematics Specialist, Fluent in Spanish – Freelance AI Trainer

Job not on LinkedIn

🔥 0 minutes ago

🇦🇷 Argentina – Remote

💵 $6 - $65 / hour

⏳ Contract/Temporary

🟡 Mid-level

🟠 Senior

🤖 Artificial Intelligence

🗣️🇪🇸 Spanish Required

Where this job comes from

Posted on Invisible Technologies's careers page, not through a job board

First seen by Remote Rocketship 0 minutes ago

Logo of Invisible Technologies

Invisible Technologies

201 - 500 employees

Founded 2015

💼 Consulting

🏥 Healthcare

📦 Logistics

💰 $100M Series unknown on 2025-10

Consulting • Healthcare • Logistics

Invisible Technologies is an enterprise AI platform and services company that builds and deploys production-grade AI systems for large organizations. They combine a modular SaaS platform (data platform, process builder, agents, evaluations) with an expert human marketplace to train models, automate complex back-office workflows, power contact centers, provide computer vision and demand-forecasting solutions, and ensure ongoing evaluation and governance. Invisible works across sectors (finance, healthcare, public sector, sports, retail) to integrate AI into real operational systems and scale outcomes.

📋 Description

• Converse with AI models on classroom problems and theoretical mathematics questions • Verify factual accuracy and logical soundness • Capture reproducible error traces and document model failure modes • Suggest improvements to prompt engineering and evaluation metrics • Help train language models to improve mathematical reasoning

🎯 Requirements

• Mathematics expertise across algebra, calculus, number theory, linear algebra, differential equations, statistics, geometry, mathematical logic, and discrete mathematics • Fluency in Spanish (Latin America) • Ability to work with real and complex analysis, optimization theory, mathematical proofs, set theory, probability distributions, cryptographic algorithms, and applied mathematics • Clear, metacognitive communication and ability to show your work • 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

🏖️ Benefits

• Contractor arrangement • Pay range of $6–$65 per hour, with exact rate determined by experience, expertise, and geographic location • Secure computer and high-speed internet supplied by the contractor • Company-sponsored benefits such as health insurance and PTO do not apply

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