About ProlificProlific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledge, and skills.The roleAI Trainer – Advanced Mandarin Fluency. We are looking for advanced Mandarin speakers to help train and evaluate cutting‑edge AI models. If you have the necessary experience, you will take a brief skills verification test to assess your suitability for AI tasks. If successful, you will be invited to join Prolific as a Domain Expert participant, where you will get paid to train and evaluate powerful AI models.



Researchers pay $30 per hour per completed AI task; you will be expected tocomplete paid tasks that require one hour of uninterrupted work, although many are shorter.What you’ll bringAdvanced language skills and verifiable experience as being fluent in Mandarin.A willingness to take our skills verification test to assess your suitability for our Domain Expert participant pool.Strong attention to detail and the ability to concentrate on complex tasks for up to one hour at a time.A reliable and fast internet connection and access to a computer.A willingness to self‑declare your earnings, as our participants are self‑employed.A PayPal

📌 Ai Trainer (Madrid)
🏢 Prolific
📍 Madrid