Germany-Based English & German AI Generalist Trainer 2026 May

Rexzone is hiring Germany-based, bilingual (English/German) AI Generalist Trainers to support AI/LLM workflows through RLHF, large language model evaluation, and training data quality work that drives model performance improvement.

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About the Role

This remote, full-time role focuses on evaluating, ranking, and improving model-generated outputs in English and German. You will follow annotation guidelines compliance, write clear rationales, and perform QA evaluation to ensure training data quality and enable model performance improvement across multiple use cases.

What You Will Do

You will complete large language model evaluation tasks such as prompt evaluation, response ranking, and error categorization; validate outputs against rubrics; apply content safety labeling where needed; and document reasoning to support RLHF and training data quality initiatives.

Key Responsibilities

Evaluate and rank model responses in English and German; perform QA checks and validation to ensure annotation guidelines compliance; write concise rationales that explain reasoning; identify hallucinations, safety issues, and policy violations; run consistency checks to improve training data quality; escalate edge cases with clear evidence; support prompt evaluation and dataset audits to drive model performance improvement.

Basic Qualifications

Based in Germany; fluent in English and German (written and spoken); strong analytical skills and structured reasoning; excellent attention to detail; ability to follow detailed rubrics and maintain annotation guidelines compliance; reliable availability for full-time remote work.

Preferred Qualifications

Prior experience in data labeling, RLHF, LLM evaluation, QA evaluation, or content moderation; familiarity with LLM behavior and common failure modes; comfort working with ambiguity and edge cases; self-driven, quality-focused, and able to manage time independently.

Compensation

USD $35–$40 per hour (hourly).

How to Apply

Apply through Rexzone with a brief summary of your bilingual experience (English/German), any AI/annotation background, and your availability. Candidates may complete a short evaluation covering ranking, QA, and rationale writing.

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 perform large language model evaluation, including prompt evaluation, response evaluation and ranking, QA evaluation, validation against rubrics, content safety labeling when required, and writing clear rationales to support RLHF and training data quality.

  • Q: Do I need AI experience?

    AI/annotation experience is preferred but not required. You must be able to follow annotation guidelines compliance, apply consistent judgment, and demonstrate strong analytical reasoning and attention to detail.

  • Q: What languages are required?

    Fluency in both English and German (written and spoken) is required.

  • Q: What domains are covered?

    Domains vary and may include general knowledge, customer support style writing, summarization, classification, reasoning tasks, and content safety—always 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

We believe exceptional intelligence deserves exceptional pay. Our platform consistently offers rates above the industry average, rewarding experts for their true value and real impact on frontier AI. Here, your expertise isn't just appreciated - it's properly compensated.

Work Remotely, Work Freely

No office. No commute. No constraints. Our fully remote workflow gives experts complete flexibility to work at their own pace, from any country, any time zone. You focus on meaningful tasks - we handle the rest.

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