About Prolific

Prolific 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 organisations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledge, and skills.

The role

Were looking for Fluent Japanese Speakers to join our Expert Network to help train and evaluate cutting‑edge AI models using real legal expertise. If you have the necessary experience, well send you a quick 10‑ to 15‑minute test to assess your skills and suitability for AI tasks. If successful, youll be invited to join Prolific as a participant, where youll get paid to train and evaluate powerful AI models.

Researchers looking for your skills tend to pay up to $30/hr per task completed. You must be prepared to complete paid tasks that require one hour of uninterrupted work, though many are shorter.

What youll bring

• Advanced language skills and verifiable experience as being fluent in Japanese.


• Strong English language skills


• A willingness to take our skills verification test to assess your suitability for our Domain Expert participant pool


• Solid 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 account to receive payment from our clients

What youll be doing in the role

• Completing AI training tasks such as analysing, editing, and writing in Japanese


• Judging the performance of AI in performing Japanese prompts


• Improving cutting‑edge AI models

Why Prolific is a great platform to join as a Participant

Joining our platform as a Prolific participant will give you the chance to influence the AI models of the future using professional legal expertise. Once you pass our assessment, you can join Prolific in just 15 minutes, and start enjoying competitive pay rates, flexible hours, and the ability to work from home.

We believe that the next leap in AI capabilities wont come solely from scaling existing models, but from integrating diverse human perspectives and behaviours into AI development. By providing this crucial human data infrastructure, Prolific is positioning itself at the forefront of the next wave of AI innovation – one that reflects the breadth and the best of humanity.