Overview
Rex.zone is hiring Germany-based English/German AI Generalist Trainers to support RLHF and large language model evaluation by assessing, ranking, and quality-checking model outputs to strengthen training data quality and drive model performance improvement.
About The Role
In this role, you will evaluate and improve AI/LLM behaviors through RLHF-style workflows. You will review prompts and model responses, validate factuality and instruction-following, apply annotation guidelines compliance standards, and write clear rationales that improve training data quality.
Key Responsibilities
- Perform large language model evaluation across English and German prompts and outputs
- Rank multiple model-generated responses using defined rubrics and consistent reasoning
- Conduct QA evaluation checks by auditing items for annotation guidelines compliance
- Write concise rationales that justify rankings and identify reasoning errors
- Validate outputs for safety, policy adherence, and content safety labeling needs
- Identify edge cases and failure modes; document findings for model performance improvement
- Apply data labeling standards to create reliable feedback signals for RLHF pipelines
- Track discrepancies, elevate guideline questions, and support consistent quality targets
Basic Qualifications
- Must be based in Germany and able to work remotely from Germany
- Fluency in English and German (strong reading and writing skills in both)
- Strong analytical skills; ability to evaluate arguments, logic, and evidence
- Exceptional attention to detail and consistency in applying rubrics
- Comfortable working with sensitive or policy-relevant content under safety labeling rules
Preferred Qualifications
- Experience with AI data labeling, RLHF, prompt evaluation, or LLM evaluation
- Familiarity with LLM failure patterns (hallucinations, instruction drift, bias, safety issues)
- Background in linguistics, translation, writing/editing, QA, research, or content moderation
Compensation
Hourly pay range: $30–$50 USD per hour (base), based on skills, language proficiency, and evaluation quality.
#J-18808-Ljbffr
Germany-Based English & German AI Generalist Trainer (Remote, Full-Time) in München 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.
