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

Rexzone is hiring Germany-based, bilingual (English/German) AI Generalist Trainers to support large language model evaluation through RLHF-style ranking, prompt evaluation, and QA evaluation. You will assess model outputs, write clear rationales, and follow annotation guidelines compliance to strengthen training data quality and drive model performance improvement across real-world use cases.

About the Role

As a Germany-based English & German AI Generalist Trainer at Rexzone, you will evaluate and improve AI/LLM workflows by reviewing model-generated responses, ranking alternatives, and documenting reasoning. This role focuses on training data quality, large language model evaluation, and consistent annotation guidelines compliance to support model performance improvement. You will work remotely, full-time, with structured tasks and quality targets.

What You Will Do

You will perform prompt evaluation and LLM evaluation in both English and German, identify issues such as factuality gaps, unsafe content, and instruction-following failures, and apply clear labeling decisions. You will also complete QA evaluation steps, validate edge cases, and write concise rationales that make your judgments auditable and useful for RLHF and broader model training.

Compensation and Work Setup

Compensation is $35–$40/hour (USD), remote within Germany, full-time. You will follow defined processes for evaluation, ranking, validation, and quality review, with ongoing calibration to maintain training data quality and consistent results.

Frequently Asked Questions

Q: Is this role remote?
Yes. This is a remote, full-time role for candidates based in Germany.
Q: What tasks will I do?
You will evaluate and rank model-generated outputs, perform prompt evaluation, complete QA evaluation and validation checks, and write reasoning-based rationales while following annotation guidelines compliance to improve training data quality.
Q: Do I need AI experience?
AI/annotation experience is preferred but not required. Strong analytical thinking, attention to detail, and the ability to apply guidelines consistently are essential; training is provided for the evaluation framework and workflow.
Q: What languages are required?
Fluency in both English and German is required, including the ability to judge tone, clarity, correctness, and safety in both languages.
Q: What domains are covered?
You will cover broad, generalist domains such as customer support-style prompts, writing and summarization, reasoning tasks, factuality checks, and content safety labeling, aligned to large language model evaluation and model performance improvement goals.

230+Domains Covered

120K+PhD, Specialist, Experts Onboarded

50+Countries Represented

Industry-Leading Compensation

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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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