RE
Germany-Based English & German AI Generalist Trainer (Remote, Full-Time) 2026 May
- Salary
- $35–$40/hr
- Hiring from
- Germany
- Work type
- Remote
- Posted
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About The Role
As an AI Generalist Trainer at Rex.zone, you will evaluate and rank LLM outputs across varied tasks, produce well-reasoned justifications, and help enforce consistent labeling decisions. Your work directly impacts training data quality, annotation guidelines compliance, and large language model evaluation outcomes for safer, more useful AI systems.
Responsibilities
Compensation is USD $35–$40 per hour (based on skills and task complexity). This is a remote, full-time role supporting ongoing evaluation, ranking, QA, reasoning, and validation workflows.
How To Apply
Apply through Rex.zone by submitting your resume/CV and a brief note confirming you are Germany-based and fluent in both German and English. Selected candidates may complete a short skills assessment covering rubric-based evaluation, reasoning quality, and annotation guidelines compliance.
As an AI Generalist Trainer at Rex.zone, you will evaluate and rank LLM outputs across varied tasks, produce well-reasoned justifications, and help enforce consistent labeling decisions. Your work directly impacts training data quality, annotation guidelines compliance, and large language model evaluation outcomes for safer, more useful AI systems.
Responsibilities
- Perform large language model evaluation by reviewing model outputs for correctness, helpfulness, and safety
- Rank and compare responses using RLHF-style preference ranking and prompt evaluation criteria
- Conduct QA evaluation by validating labels, auditing edge cases, and documenting issues
- Write concise, evidence-based rationales that explain reasoning and support consistent judgments
- Apply annotation guidelines compliance checks and escalate ambiguous cases with clear recommendations
- Validate multilingual (German/English) content for fluency, intent preservation, and policy alignment
- Support training data quality initiatives by identifying systematic errors and proposing guideline clarifications
- Maintain high throughput while meeting accuracy targets and quality standards
- Based in Germany and authorized to work from Germany
- Fluent in German and English (professional reading and writing)
- Strong analytical skills with the ability to evaluate nuanced content and follow rubrics
- Excellent attention to detail and consistency across repeated evaluations
- Comfortable working with web tools and structured annotation platforms
- Ability to explain reasoning clearly and apply rules consistently for validation and QA
- Experience with data labeling, RLHF, LLM evaluation, or content safety labeling
- Familiarity with prompt evaluation, preference ranking, and quality sampling methods
- Experience improving annotation guidelines over time
- Self-driven and able to manage time effectively in a remote environment
- Interest in AI reliability, safety, and model performance improvement
Compensation is USD $35–$40 per hour (based on skills and task complexity). This is a remote, full-time role supporting ongoing evaluation, ranking, QA, reasoning, and validation workflows.
How To Apply
Apply through Rex.zone by submitting your resume/CV and a brief note confirming you are Germany-based and fluent in both German and English. Selected candidates may complete a short skills assessment covering rubric-based evaluation, reasoning quality, and annotation guidelines compliance.