AI Training Experts - Experts - Valencia, Spain

prolificacademicltd; United States; Remote; USD 21,000 - 34,000; Part time

Benefits offered by this job

Fully remote

Flexible hours

Quick onboarding (≈15 min)

Job summary

Prolific Academic Ltd offers a freelance remote role for specialists to train and assess AI models through structured human-in-the-loop tasks. Join a participant pool and complete paid tasks designed by external AI researchers and developers; the work is self-paced and treated as self-employment.

Responsibilities include analyzing, editing, and writing annotations for ML training data, evaluating model outputs, and providing structured feedback.

Qualifications

• Demonstrable professional experience as an AI trainer or equivalent hands-on AI training task skills.
• Strong attention to detail and the ability to concentrate on complex tasks for sustained periods.
• A reliable, fast internet connection and access to a computer.
• Comfort with self-employment, including self-declaring earnings.
• A PayPal account to receive task-based payments.

Responsibilities

• Analyze, edit, and write annotations used as training data for machine learning systems.
• Evaluate the quality and behavior of AI model outputs and judge task performance.
• Provide structured feedback that helps improve cutting-edge AI models.
• Complete paid research tasks, some of which require up to one hour of uninterrupted focus, though many are shorter.
• Pass an initial 10-15 minute skills verification test before being admitted to the participant pool.

Skills

AI trainer experience

Attention to detail

Reliable internet

Self-employment experience

PayPal

Job description

Role overview

A freelance opportunity is open for specialists who can train and assess modern AI models through structured human-in-the-loop work. Successful applicants join a participant pool where they complete paid tasks designed by external AI researchers and developers. The work is fully remote, self-paced, and treated as self-employment rather than a traditional employment contract.

Responsibilities

• Analyze, edit, and write annotations used as training data for machine learning systems.
• Evaluate the quality and behavior of AI model outputs and judge task performance.
• Provide structured feedback that helps improve cutting-edge AI models.
• Complete paid research tasks, some of which require up to one hour of uninterrupted focus, though many are shorter.
• Pass an initial 10-15 minute skills verification test before being admitted to the participant pool.

Requirements

• Demonstrable professional experience as an AI trainer or equivalent hands-on AI training task skills.
• Strong attention to detail and the ability to concentrate on complex tasks for sustained periods.
• A reliable, fast internet connection and access to a computer.
• Comfort with self-employment, including self-declaring earnings.
• A PayPal account to receive task-based payments.

Benefits and work setup

• Hourly compensation reaching up to approximately $25 per task where the source rate applies.
• Fully remote work from home with flexible hours.
• Onboarding after assessment is quick, typically around 15 minutes.
• Exposure to a wide range of AI research projects from external teams.