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German Language Specialist (Android Device) - Freelance AI Trainer Project

Role overview

Qualifications

  • Master's or PhD in German language, linguistics, or a closely related field
  • Deep expertise in German grammar, syntax, morphology, phonology, semantics, and pragmatics
  • Experience with teaching, peer-reviewed publications, or hands-on linguistic analysis projects
  • Strong metacognitive communication skills with the ability to document reasoning and reveal work

Responsibilities

  • Converse with the AI model on German language scenarios to test grammar, syntax, morphology, and usage
  • Verify factual accuracy and logical soundness of model outputs
  • Capture reproducible error traces and document failure modes to improve model reasoning
  • Suggest improvements to prompt engineering and evaluation metrics

About the company

Invisible Expert Marketplace logo

Invisible Expert Marketplace

Artificial Intelligence & Machine Learning Services

We are the AI training and scaling partner for the leading foundation model providers, enterprises, and governments, bridging the gap between AI potential and production. Our unique AI Process Platform combines elite global human expertise, cutting edge technology, and deep institutional knowledge gained by training 80% of the world’s leading AI models.

Company details

IndustryArtificial Intelligence & Machine Learning Services
Company size5001 - 10000

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Job description

Are you a German language expert eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of linguistic discovery. With high‑quality training data, tomorrow’s AI can democratize world‑class education, keep pace with cutting‑edge research, and streamline communication for German speakers everywhere. That training data begins with you—we need your expertise to help power the next generation of AI.

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.

A master’s or PhD in German language, linguistics, or a closely related field is ideal; peer‑reviewed publications, teaching experience, or hands-on linguistic analysis projects signal fit. Clear, metacognitive communication—“showing your work”—is essential.

Ready to turn your German language 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.

Project Technical Requirement (Device): This project is limited to supported Android device models due to client and system compatibility requirements. You must have an eligible device in-hand and will be required to verify your device before engaging on the project.


Employment type: Freelance / Contract
Workplace type: Remote
Seniority level: Mid‑Senior Level



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Marcus Rivera

Chief Revenue Officer

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linkedin.com/in/marcusrivera
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