Remote AI Data Annotator for NLP & CV

Rex.zone; Portland (OR); Remote; USD 25,000 - 41,000; Full time

Job summary

Rex.zone is hiring a remote data annotator to support AI/ML training pipelines. You will create high-signal labeled data for NLP, computer vision, and content safety, applying guidelines consistently from anywhere with online tools.

The role emphasizes careful decision‑making, strong written communication for remote collaboration, and participation in QA, audits, and calibration sessions, with work possible from Portland, Oregon.

Qualifications

• Experience with structured labeling workflows and careful, consistent decision‑making.
• Comfort working in web‑based annotation tools and tracking tasks.
• Strong written communication for remote collaboration and escalation of ambiguous cases.

Responsibilities

• Annotate text for NLP tasks (classification, named entity recognition, summarization evaluation)
• Perform prompt evaluation and LLM response scoring using rubrics
• Complete RLHF preference ranking and comparison tasks
• Label images for computer vision annotation (bounding boxes, polygons, segmentation)
• Document edge cases and provide clear notes to improve annotation guidelines
• Run QA checks, support audits, and participate in calibration sessions

Skills

Structured labeling workflows

Careful, consistent decision making

Strong written communication

Tools

Annotation tools

Task tracking tools

Job description

Rex.zone is hiring a remote data annotator to support AI/ML training pipelines. You will create high-signal labeled data for NLP, computer vision, and content safety, applying guidelines consistently from anywhere with online tools.

The role emphasizes careful decision‑making, strong written communication for remote collaboration, and participation in QA, audits, and calibration sessions, with work possible from Portland, Oregon.