Germany-Based English & German AI Generalist Trainer (Remote, Full-Time) 2026 May

Rexzone is hiring Germany-based English and German AI Generalist Trainers to support AI/LLM workflows through RLHF, large language model evaluation, and training data quality improvements. You will evaluate, rank, and QA model-generated responses, write clear rationales, and validate outputs against annotation guidelines compliance to drive model performance improvement. This remote, full-time role requires bilingual fluency (English + German) and strong analytical judgment to produce consistent, high-quality evaluation signals for training data quality and safety.

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About the Role

As an AI Generalist Trainer at Rexzone, you will assess and rank model outputs, perform QA evaluation, and provide reasoning-heavy feedback used in RLHF and large language model evaluation pipelines. Your work directly impacts training data quality, annotation guidelines compliance, and model performance improvement across multilingual (English/German) tasks.

Responsibilities

Evaluate and rank AI-generated responses for accuracy, completeness, helpfulness, and policy alignment; perform QA evaluation and validation to ensure consistency with annotation guidelines compliance; write concise rationales that explain reasoning and 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; fluent in English and German (professional reading and writing required); strong analytical skills and structured reasoning; exceptional attention to detail and consistency under guidelines; comfortable making judgment calls and documenting rationale; reliable internet connection and ability to work remotely in a full-time schedule.

Preferred Qualifications

Prior experience with data labeling, prompt evaluation, or QA evaluation; familiarity with RLHF concepts and large language model evaluation; experience applying content safety labeling and taxonomy-based policies; strong self-driven workflow management, responsiveness to feedback, and comfort with iterative guideline updates.

Compensation

USD $35–$40 per hour (hourly pay), full-time, remote.

How to Apply

Apply to Rexzone with an English (or bilingual) resume/CV and a brief note describing your experience with evaluation, ranking, QA, and writing rationales. Qualified candidates may be asked to complete a short bilingual assessment aligned to annotation guidelines compliance.

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 evaluate and rank model outputs, perform QA evaluation and validation, write reasoning-based rationales, and follow annotation guidelines compliance to improve training data quality and model performance improvement.

  • Q: Do I need AI experience?

    AI experience is helpful but not required. We value analytical judgment, attention to detail, and the ability to learn RLHF and large language model evaluation workflows.

  • Q: What languages are required?

    Professional fluency in both English and German is required for bilingual evaluation and writing tasks.

  • Q: What domains are covered?

    You may cover general knowledge, writing quality, reasoning, summarization, instruction following, and content safety labeling across English and German prompts within large language model evaluation.

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.

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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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