Remote Data Annotator Jobs in Berlin
- Hiring from
- Germany
- Work type
- Remote
- Posted
- Jul 31, 2026
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About The Role
Rex.zone is hiring Mid-Senior Remote Data Annotators to create and validate high-quality training datasets used to train and evaluate AI/ML systems. You will work across text, image, and multi-modal workflows, applying consistent rubric-based decisions and clear documentation to support measurable model performance improvement.
What You Will Do
Visit Rex.zone and search for “Remote Data Annotator Jobs in Berlin” to find active assignments and submit your application.
Rex.zone is hiring Mid-Senior Remote Data Annotators to create and validate high-quality training datasets used to train and evaluate AI/ML systems. You will work across text, image, and multi-modal workflows, applying consistent rubric-based decisions and clear documentation to support measurable model performance improvement.
What You Will Do
- Label and review datasets for NLP and computer vision annotation (e.g., named entity recognition, classification, bounding boxes/segmentation)
- Perform RLHF evaluation and prompt evaluation by scoring and ranking model outputs against guidelines
- Complete QA evaluation checks (audit sampling, calibration, disagreement resolution) and maintain annotation guidelines compliance
- Support content safety labeling using policy-based categorization and safety rubrics
- Collaborate asynchronously with project leads to meet throughput, accuracy, and auditability requirements in LLM training pipelines
- Mid-Senior experience in data annotation/data labeling, QA evaluation, or LLM evaluation workflows
- Strong attention to detail and ability to handle ambiguous cases with consistent reasoning
- Excellent written communication for documenting edge cases and rationales
- Comfort with annotation tools and spreadsheet-style review interfaces
Visit Rex.zone and search for “Remote Data Annotator Jobs in Berlin” to find active assignments and submit your application.