What if your sharp ears could help power the next generation of AI? Your feedback directly influences how AI understands and processes sound — making this a rare opportunity to contribute to meaningful technology from the comfort of your own home.

This is a fully remote, flexible contract role. No audio engineering degree required — just good ears, attention to detail, and a reliable pair of headphones.

Why Join Us

• Work on cutting-edge AI projects alongside leading research labs.
• Fully remote and flexible — set your own hours and work from anywhere.
• Freelance autonomy with the structure of meaningful, task-based work.
• Contribute to AI development that has a real impact on how machines understand human speech.
• Potential for ongoing work and contract extension as new projects launch.

• Listen to audio recordings and evaluate them for clarity, accuracy, and overall quality.
• Identify issues such as background noise, mispronunciations, distortion, or unnatural speech patterns.
• Verify that transcriptions accurately match the spoken audio content.
• Rate recordings using structured evaluation criteria and rubrics.
• Submit detailed, consistent feedback for each audio sample.
• Work through batches of audio independently, on your own schedule.

• No background in audio engineering or production required.

Equipped with headphones or earbuds for accurate audio review.

Work arrangement: Fully remote

Eligible countries: Spain