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Meridial / Invisible Technologies

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

English, Spanish $8–$65/hour

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.

Last verified 2026-10-28

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Meridial / Invisible Technologies

Japanese Voice Actor – AI Trainer

English, Japanese $6–$65/hour

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.

Last verified 2026-10-28

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Meridial / Invisible Technologies

Mathematics Specialist (Fluent in French) – AI Trainer

English, French $6–$65/hour

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

Last verified 2026-10-28

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Meridial / Invisible Technologies

Mathematics Specialist (Fluent in German) – AI Trainer

English, German $6–$65/hour

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

Last verified 2026-10-28

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Meridial / Invisible Technologies

STEM Specialist (Fluent in German) – AI Trainer

English, German $8–$65/hour

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.

Last verified 2026-10-28

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Meridial / Invisible Technologies

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

English, Spanish $8–$65/hour

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

Last verified 2026-10-28

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Meridial / Invisible Technologies

Arabic Voice Actor – AI Trainer

Arabic, English $6–$65/hour

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.

Last verified 2026-10-28

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Meridial / Invisible Technologies

Language Alignment & Resource Partner (Canadian French) – AI Trainer

English, French $6–$65/hour

  Project Overview We are sourcing independent Language Alignment & Resource Partners (LARPs) to provide native-level Canadian French language vetting and QA for a specialized AI data project. Production & Vetting Support: Providing native-level language vetting during project scaling and offering specialized linguistic consultation throughout the production phase. 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.

Last verified 2026-10-28

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Meridial / Invisible Technologies

Mathematics Specialist (Fluent in Portuguese – Portugal) – AI Trainer

English, Portuguese $6–$65/hour

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

Last verified 2026-10-28

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Meridial / Invisible Technologies

Medicine Specialist (Fluent in French) – AI Trainer

English, French $8–$65/hour

We’re looking for medicine specialists who live and breathe internal medicine, pharmacology, pathology, clinical diagnostics, medical ethics, human physiology, epidemiology, immunology, and evidence-based medicine. You’ll challenge advanced language models on topics like differential diagnosis, drug interactions, treatment protocols, pathophysiological mechanisms, clinical trial design, public health interventions, and diagnostic imaging interpretation—documenting every failure mode so we can harden model reasoning. On a typical day, you will converse with the model on clinical scenarios and theoretical medical questions, verify factual accuracy and logical soundness, capture reproducible er

Last verified 2026-10-28

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Meridial / Invisible Technologies

Coding Specialist (Fluent in Arabic) – AI Trainer

Arabic, English $8–$65/hour

We’re looking for coding specialists who live and breathe algorithms, data structures, software architecture, frontend and backend development, cloud infrastructure, and systems programming—and who can do so fluently in Arabic. You’ll challenge advanced language models on topics like asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and debugging distributed systems—documenting every failure mode so we can harden model reasoning. On a typical day, you will converse with the model on software engineering tasks and technical scenarios in Arabic, verify logical accuracy and coding fluency, assess naturalness and correctness of

Last verified 2026-10-28

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Meridial / Invisible Technologies

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

English, Spanish $6–$65/hour

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

Last verified 2026-10-28

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Meridial / Invisible Technologies

STEM Specialist (Fluent in Portuguese – Portugal) – AI Trainer

English, Portuguese $8–$65/hour

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.

Last verified 2026-10-28

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Meridial / Invisible Technologies

German Language Specialist (Android Device) – AI Trainer

English, German $6–$65/hour

We’re looking for German language specialists who live and breathe German grammar, syntax, morphology, phonology, semantics, and pragmatics. You’ll challenge advanced language models on topics like verb conjugation, case system (nominative, accusative, dative, genitive), word order, declensions, gender, and stylistic variation—documenting every failure mode so we can harden model reasoning. On a typical day, you will converse with the model on language scenarios, verify factual accuracy and logical soundness, capture reproducible error traces, and suggest improvements to our prompt engineering and evaluation metrics.

Last verified 2026-10-28

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Meridial / Invisible Technologies

Language Alignment & Resource Partner (Arabic) – AI Trainer

Arabic, English $6–$65/hour

Project Overview We are sourcing independent Language Alignment & Resource Partners (LARPs) to provide native-level Arabic language vetting and QA for a specialized AI data project. Production & Vetting Support: Providing native-level language vetting during project scaling and offering specialized linguistic consultation throughout the production phase. 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.

Last verified 2026-10-28

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Meridial / Invisible Technologies

Portuguese Language Data Contributor (Multimodal) – AI Trainer

English, Portuguese $6–$65/hour

We’re looking for Portuguese (Brazil) language specialists who live and breathe phonetics, morphology, syntax, semantics, pragmatics, and sociolinguistics of the Portuguese language. You’ll challenge advanced language models on topics like verb conjugation, noun-adjective agreement, sentence structure, word order, accentuation, and colloquial expressions—documenting every failure mode so we can harden model reasoning. On a typical day, you will converse with the model on language scenarios, verify factual accuracy and logical soundness, capture reproducible error traces, and suggest improvements to our prompt engineering and evaluation metrics.

Last verified 2026-10-28

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Meridial / Invisible Technologies

Korean Translator – AI Trainer

English, Korean $6–$65/hour

We’re looking for Korean translators with a strong command of both Korean and English who can assess and refine AI-generated translations for grammatical accuracy, fluency, cultural nuance, and context sensitivity. You’ll challenge the model with idiomatic expressions, ambiguous phrases, formal and informal tones, and real-world scenarios—documenting model failures and providing insight to improve translation quality and consistency. On a typical day, you will evaluate and edit AI outputs, translate between Korean and English in both directions, annotate errors, provide cultural or contextual explanations, and suggest improvements to prompts, evaluation methods, and model behavior.

Last verified 2026-10-28

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Meridial / Invisible Technologies

Science Specialist (Fluent in German) – AI Trainer

English, German $8–$65/hour

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.

Last verified 2026-10-28

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Meridial / Invisible Technologies

Arabic Language Specialist – AI Trainer

Arabic, English $6–$65/hour

We’re looking for Arabic language specialists who live and breathe the complexities of Arabic grammar, syntax, morphology, semantics, phonetics, and pragmatics. You’ll challenge advanced language models on topics like dialectal variation, formal versus colloquial language, Arabic script, translation accuracy, semantic ambiguity, and cultural context—documenting every failure mode so we can harden model reasoning. On a typical day, you will converse with the model on language scenarios, verify factual accuracy and logical soundness, capture reproducible error traces, and suggest improvements to our prompt engineering and evaluation metrics.

Last verified 2026-10-28

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Meridial / Invisible Technologies

Language Alignment & Resource Partner (Portuguese) – AI Trainer

English, Portuguese $6–$65/hour

Project Overview We are sourcing independent Language Alignment & Resource Partners (LARPs) to provide native-level Portuguese language vetting and QA for a specialized AI data project. Production & Vetting Support: Providing native-level language vetting during project scaling and offering specialized linguistic consultation throughout the production phase. 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.

Last verified 2026-10-28

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