About The Role
Rex.zone is hiring Germany-based English & German AI Generalist Trainers to support RLHF and large language model evaluation workflows. You will evaluate, rank, and QA model-generated responses, write clear reasoning-based rationales, and validate outputs against annotation guidelines to improve training data quality and model performance.
About The Role
Rex.zone is hiring Germany-based English & German AI Generalist Trainers to support RLHF and large language model evaluation workflows. You will evaluate, rank, and QA model-generated responses, write clear reasoning-based rationales, and validate outputs against annotation guidelines to improve training data quality and model performance.
Responsibilities
- Evaluate and rank AI-generated responses for accuracy, completeness, helpfulness, and policy alignment
- Perform QA evaluation and validation to ensure annotation guidelines compliance
- Write concise, reasoning-heavy rationales to support reviewer auditability
- Identify edge cases, ambiguity, and failure patterns to improve training data quality
- Review bilingual (English/German) content and apply content safety labeling when required
- Follow prompt evaluation protocols and maintain high throughput without sacrificing quality
- Escalate unclear instructions, propose guideline clarifications, and support calibration to improve inter-annotator agreement
Basic Qualifications
- Based in Germany and authorized to work there
- Professional fluency in English and German (reading and writing)
- Strong analytical skills, structured reasoning, and attention to detail
- Comfortable making judgment calls and documenting rationale
- Reliable internet connection and ability to work remotely full-time
Preferred Qualifications
- Experience with data labeling, prompt evaluation, or QA evaluation
- Familiarity with RLHF and large language model evaluation
- Experience applying content safety labeling and taxonomy-based policies
- Self-driven workflow management and comfort with iterative guideline updates
Compensation
USD $30–$50 per hour (hourly pay), full-time, remote.
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Germany-Based English & German AI Generalist Trainer (Remote, Full-Time) Arbeitgeber: Rex.zone
Rex.zone ist ein hervorragender Arbeitgeber, der eine dynamische und unterstützende Arbeitsumgebung in Berlin bietet. Mit einem starken Fokus auf digitale Marketingstrategien und innovativen Technologien fördert das Unternehmen die berufliche Weiterentwicklung seiner Mitarbeiter durch kontinuierliche Schulungen und spannende Projekte. Die remote-freundliche Kultur ermöglicht es den Mitarbeitern, flexibel zu arbeiten und gleichzeitig Teil eines kreativen Teams zu sein, das sich leidenschaftlich für den Erfolg seiner Kampagnen einsetzt.
