Company: Meridial / Invisible Technologies

Spanish (Chile) Language Expert – Freelance AI Trainer Project

Are you a Spanish (Chile) language expert eager to shape the future of AI? Large-scale language models are evolving from clever chatbots into powerful tools for communication, education, and cultural preservation. With high-quality training data, tomorrow’s AI can better understand the distinctive phonetics, grammar,…

Spanish (Chile) Language Specialist – Freelance AI Trainer Project

Are you a Spanish (Chile) language specialist eager to shape the future of AI? Large-scale language models are evolving from clever chatbots into powerful tools for communication, education, and cultural preservation. With high-quality training data, tomorrow’s AI can better understand the distinctive phonetics,…

Japanese Voice Actor – AI Trainer

We’re looking for a highly skilled Japanese voice acting professional who can bring nuance, clarity, and authenticity to training data. You’ll work with cutting-edge AI tools, record and evaluate Japanese speech samples, and provide expert feedback on pronunciation, tone, pacing, and emotional expression to strengthen voice models. On a typical day, you will record scripted material, assess AI-generated outputs for linguistic accuracy and naturalness, annotate errors, and collaborate with our team to refine prompts, evaluation methods, and voice design guidelines.

Science Specialist (Fluent in Spanish – Spain) – AI Trainer

We’re looking for science specialists who live and breathe physical science, earth science, environmental science, chemistry, physics, astronomy, and scientific literacy. You’ll challenge advanced language models on topics like energy transformation, atomic structure, planetary motion, ecological systems, the water cycle, and scientific inquiry—documenting every failure mode so we can harden model reasoning. On a typical day, you will converse with the model on real-world scenarios and theoretical science questions, verify factual accuracy and logical soundness, capture reproducible error traces, and suggest improvements to our prompt engineering and evaluation metrics.

Mathematics Specialist (Fluent in German) – AI Trainer

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 improveme

Mathematics Specialist (Fluent in French) – AI Trainer

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 improveme

Arabic Voice Actor – AI Trainer

We’re looking for a highly skilled voice acting professional who can bring nuance, clarity, and authenticity to training data in Arabic. You’ll work with cutting-edge AI tools, record and evaluate speech samples, and provide expert feedback on pronunciation, tone, pacing, emotional expression, and regional variation to strengthen Arabic voice models. On a typical day, you will record scripted material in Arabic, assess AI-generated outputs for linguistic accuracy and naturalness, annotate errors, and collaborate with our team to refine prompts, evaluation methods, and voice design guidelines.

LaTex Specialist (Fluent in Spanish – Spain) – AI Trainer

We’re looking for LaTeX specialists who live and breathe document typesetting, mathematical formatting, bibliographic management, package customization, template development, and cross-referencing techniques. You’ll challenge advanced language models on topics like complex equation formatting, multi-language document support, Beamer presentations, TikZ graphics, package troubleshooting, and collaborative editing workflows—documenting every failure mode so we can harden model reasoning. On a typical day, you will converse with the model on document preparation scenarios and theoretical LaTeX questions, verify formatting accuracy and logical consistency, capture reproducible error traces, and

STEM Specialist (Fluent in German) – AI Trainer

We’re looking for STEM specialists who live and breathe mathematics, physics, chemistry, engineering, data science, computer science, and scientific computing. You’ll challenge advanced language models on topics like thermodynamics, mechanics, calculus, statistics, materials science, electronics, algorithm design, and quantitative modeling—documenting every failure mode so we can harden model reasoning. On a typical day, you will converse with the model on real-world STEM problem-solving scenarios and theoretical technical questions, verify factual accuracy and logical soundness, capture reproducible error traces, and suggest improvements to our prompt engineering and evaluation metrics.

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