Germany-Based English & German AI Generalist Trainer 2026 May

Rexzone is hiring Germany-based, bilingual (German/English) AI Generalist Trainers to support large language model evaluation through RLHF, LLM evaluation, and training data quality improvements by ranking outputs, validating reasoning, and performing QA evaluation to drive model performance improvement.

About the Role

As a Germany-based English & German AI Generalist Trainer at Rexzone, you will evaluate and improve AI systems by assessing model-generated outputs across diverse domains. You will apply RLHF-style ranking and prompt evaluation, write clear rationales, and follow annotation guidelines compliance to produce high-quality training signals. Your work directly supports training data quality and large language model evaluation, enabling measurable model performance improvement.

What You Will Do

You will review prompts and model responses in German and English, compare alternatives, rank outputs, and document reasoning to support consistent evaluation. You will also perform QA evaluation and validation against annotation guidelines, flag content safety labeling issues, and contribute to continuous improvement of evaluation rubrics and training data quality checks.

Compensation and Schedule

This is a full-time, remote role for candidates based in Germany. Compensation is $35–$40 USD per hour, based on performance, task complexity, and quality outcomes.

How Success Is Measured

Success is measured by annotation guidelines compliance, accuracy of evaluation and ranking decisions, strength and consistency of written rationales, QA pass rates, validation outcomes, and overall contribution to training data quality and model performance improvement.

Frequently Asked Questions

Q: Is this role remote?
Yes. This is a remote, full-time position; you must be based in Germany.
Q: What tasks will I do?
You will perform large language model evaluation tasks including RLHF-style ranking, prompt evaluation, QA evaluation, validation against annotation guidelines, content safety labeling when required, and writing concise rationales that support training data quality.
Q: Do I need AI experience?
AI or annotation experience is preferred but not strictly required. You must be comfortable with structured evaluation, careful reasoning, and consistent application of annotation guidelines compliance.
Q: What languages are required?
Fluency in both German and English is required to evaluate and write rationales for bilingual content.
Q: What domains are covered?
Domains vary and may include general knowledge, business writing, customer support, education, reasoning tasks, and content safety labeling scenarios, all focused on improving 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.

Respect at the Core of Everything

AI trainers are the heart of our company. We treat every expert with trust, humanity, and genuine appreciation. From personalized support to transparent communication, we build long-term relationships rooted in respect and care.

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