Data Annotator

Generalist **Job Type:** Contractor **Location:** Remote Role Overview We are looking for **Generalists** with strong analytical and critical-thinking skills to support AI and data-focused projects. The role involves reviewing, evaluating, and annotating information across different topics while maintaining high accuracy and quality. ...

Video Annotation Specialist **Job Type:** Contractor **Location:** Remote Role Overview We are looking for detail-oriented **Video Annotation Specialists** to review and annotate videos of robotic arms performing various tasks. The role involves accurate video labeling and structured data annotation to support AI and machine-learning...

**Remote Data Annotation Jobs Amsterdam (Remote)** Rex.zone connects experienced annotators with real-world AI/ML training workflows, including data labeling, RLHF evaluation, prompt evaluation, and training data quality improvements for large language models. This is a full-time remote role supporting distributed teams and rubric-driven annotation...

**About The Role** As a Remote Data Annotation Specialist (Barcelona) on Rex.zone, you will label and evaluate multi-modal AI training data to improve large language model evaluation and downstream model behavior. This is a full-time, fully remote role (US job metadata) supporting Barcelona-oriented search intent and locale data when needed. **What You...

**Senior Data Annotator (Amsterdam) — Remote (US)** Rex.zone is hiring a Senior Data Annotator to create high-quality labeled datasets and evaluation judgments that power AI/ML training pipelines across NLP, computer vision, content safety, and LLM evaluation. You will perform data labeling, RLHF preference ranking, prompt evaluation, and QA evaluation to...

**About Rex.zone** Rex.zone is a remote-first platform connecting professionals to AI/ML data operations work. This role focuses on producing high-quality training data for AI systems through expert labeling, evaluation, and QA workflows. **What You Will Do** - Deliver expert-level data annotation across NLP, LLM evaluation, and computer vision...

Generalist **Job Type:** Contractor **Location:** Remote Role Overview We are looking for **Generalists** with strong analytical and critical-thinking skills to support AI and data-focused projects. The role involves reviewing, evaluating, and annotating information across different topics while maintaining high accuracy and quality. ...

**Remote Data Annotation Jobs Dublin (Remote)** Rex.zone is hiring mid-senior data annotators to support AI training workflows, including data labeling, RLHF evaluation, prompt evaluation, and training data QA. You will follow structured rubrics, resolve edge cases, and deliver high-quality labeled datasets that improve model performance across real-world...

**About The Role** Senior data annotator jobs in Madrid at Rex.zone focus on high-precision data labeling and evaluation workflows that improve large language model (LLM) training pipelines. This is a remote, full-time role emphasizing training data quality, auditability, and consistent guideline-driven execution. **What You Will Do** - Deliver...