AI is only as good as the feedback that trains it — and that's where you come in. Your assessments directly influence how AI models learn, improve, and respond to real-world questions.

This is a fully remote, flexible contract role ideal for detail-oriented thinkers who enjoy analytical work and want to contribute to something genuinely meaningful.

Why Join Us

• Work on cutting-edge AI — contribute to projects with leading AI research labs at the frontier of the field.
• Fully remote and flexible — work from anywhere, on a schedule that fits your life.
• Meaningful impact — your feedback directly makes AI smarter, safer, and more reliable.
• Variety — no two days are the same; work across diverse topics and content types.
• Autonomy — freelance freedom with the structure of a real project and real deliverables.
• Potential for ongoing work — strong performers are prioritized for contract extensions and new projects.

• Review AI-generated responses across text, image, and structured data formats for factual accuracy and relevance.
• Rate content quality using clear, structured rubrics and evaluation guidelines.
• Identify errors, inconsistencies, hallucinations, and areas for improvement.
• Write clear, actionable feedback to guide model training and improvement.
• Work across a diverse range of topics, content types, and task formats.
• Complete assignments independently and asynchronously on your own schedule.

• No prior AI or technical experience required — if you can think critically and follow guidelines, you're qualified.

Work arrangement: Fully remote

Eligible countries: Spain