Remote Data Annotation Jobs Berlin

Remote Data Annotation Jobs Berlin — Full-Time (Remote) Rex.zone connects you to remote data annotation and evaluation work supporting Berlin-based coverage. You will create, review, and quality-check training data for modern AI/ML systems across NLP, computer vision, and content safety workflows.

Key Responsibilities

• Label and review text, image, audio, and video datasets using project-specific annotation guidelines
• Execute QA evaluation routines (spot checks, error categorization, corrections) to maintain training data quality
• Perform RLHF-style preference ranking, prompt evaluation, and rubric-based LLM evaluation
• Complete NLP tasks such as classification, summarization scoring, and named entity recognition
• Support computer vision annotation (bounding boxes, polygons, keypoints, attribute tagging)
• Apply content safety labeling policies and flag sensitive or policy-relevant content
• Document edge cases, propose guideline clarifications, and reduce annotation drift
• Use labeling tools, hit throughput/quality targets, and communicate blockers in a remote setting

Qualifications

• Mid-Senior experience in data annotation, data labeling, QA evaluation, or adjacent AI data operations
• Strong attention to detail and written reasoning for ambiguous cases
• Familiarity with RLHF, prompt evaluation, and LLM training pipelines preferred
• Experience with annotation guidelines compliance and training data quality processes

How Rex.zone Fits Apply through Rex.zone to be matched to remote projects aligned with your strengths and measurable quality standards.

Note: “Berlin” is a search/location modifier; work is performed remotely.