Germany-Based English & German AI Generalist Trainer (Remote, Full-Time) 2026 May

Rexzone is hiring Germany-based English and German AI Generalist Trainers to support AI/LLM workflows through RLHF, large language model evaluation, and training data quality improvements. In this role, you will assess model-generated outputs, rank responses, perform QA evaluation, validate reasoning, and write clear rationales to drive model performance improvement. You will follow strict annotation guidelines compliance and contribute to content safety labeling, prompt evaluation, and data labeling tasks that strengthen training data quality across multiple domains.

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About the Role

As an AI Generalist Trainer at Rexzone, you will evaluate and improve large language models by reviewing prompts and responses in English and German, applying RLHF-style ranking, and documenting decision rationales. Your work directly supports training data quality, annotation guidelines compliance, and model performance improvement through systematic evaluation, validation, and QA evaluation of model outputs.

What You Will Do

You will perform large language model evaluation by rating and ranking model responses, identifying errors and safety risks, and validating whether outputs follow task instructions. You will write concise explanations that justify rankings, apply consistent annotation guidelines, and complete QA checks to ensure training data quality for downstream model performance improvement.

Requirements and Work Setup

This is a full-time remote role for candidates based in Germany. You must be fluent in English and German, able to analyze nuanced text, and comfortable making consistent judgments under detailed guidelines. You will collaborate asynchronously with a distributed team and contribute to calibrated evaluation standards.

Compensation

Pay is $35–$40 per hour (USD), depending on demonstrated role fit, language proficiency, and performance in qualification tasks.

How to Apply

Apply through Rexzone with an updated resume/CV highlighting bilingual English/German experience and any work related to evaluation, QA, content review, or annotation. Qualified applicants may be invited to complete short language and evaluation tasks to confirm readiness for large language model evaluation work.

Frequently Asked Questions

  • Q: Is this role remote?

    Yes. This is a remote, full-time role, and you must be based in Germany.

  • Q: What tasks will I do?

    You will evaluate, rank, and QA model-generated outputs; validate reasoning and instruction-following; write rationales; and support RLHF, prompt evaluation, data labeling, and training data quality checks under annotation guidelines compliance.

  • Q: Do I need AI experience?

    AI experience is helpful but not required. Strong analytical skills, attention to detail, and the ability to follow annotation guidelines consistently are essential for large language model evaluation work.

  • Q: What languages are required?

    Fluency in both English and German is required to evaluate bilingual prompts and responses accurately.

  • Q: What domains are covered?

    You may work across general knowledge, writing quality, reasoning, instruction-following, and content safety labeling, with a focus on training data quality and model performance improvement.

230+Domains Covered
120K+PhD, Specialist, Experts Onboarded
50+Countries Represented

Industry-Leading Compensation

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