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Prolific

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Building the biggest pool of quality human data in the world—for AI developers, researchers, and organizations.

London

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Software Development
1,001–5,000 people

About

Prolific is a technology company building the biggest pool of quality human data in the world—and the ultimate platform to access it. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from real, engaged participants—with a new study launched every 2 minutes. Prolific has been ranked among the fastest-growing businesses in the Financial Times 1000 in 2025 & 2024 and the Deloitte Technology Fast 50 in 2023.

Open positions

Open Source CAD Research - Aerospace Engineers

Remote · Canada

Design physical objects for 3D printing using open-source CAD software to help train AI models. Write and execute Python validation scripts to support engineering design workflows.

Open Source CAD Research - Aerospace Engineers

Remote · Montreal, Quebec, Canada

Design physical objects for 3D printing using open-source CAD software to train AI models. Execute Python validation scripts and document design workflows, including tool usage and decision-making processes.

Bengali - Fluent Speakers - AI Training

Remote · Canada

Train and evaluate AI models by analyzing, editing, and writing content in Bengali. Judge the performance of AI prompts to improve the accuracy and nuance of the models.

AI Trainer - Bengali Speaker

Remote · Canada

Participate in live video calls to have natural, unscripted conversations in Bengali with other participants. These recordings are used to help AI models learn natural speech patterns, tone, and cultural nuances.

AI Training - Fluent Vietnamese Speakers

Remote · Edmonton, Alberta, Canada

Participate in live video calls to have natural conversations in Vietnamese about everyday topics. These recordings are used to help AI models learn natural speech patterns, tone, and cultural nuances.

AI Training - Fluent Vietnamese Speakers

Remote · Calgary, Alberta, Canada

Participate in live video calls to have natural conversations in Vietnamese about everyday topics. These recordings are used to help AI models learn natural speech patterns, tone, and cultural nuances.

AI Training - Fluent Vietnamese Speakers

Remote · Canada

Participate in live video calls to engage in natural Vietnamese conversations on everyday topics. These recordings are used to train AI models to better understand human speech patterns and cultural nuances.

AI Training - Fluent Vietnamese Speakers

Remote · Montreal, Quebec, Canada

Participate in live video calls to engage in natural Vietnamese conversations on everyday topics. These recordings are used to train AI models to better understand human speech patterns, tone, and cultural nuances.

AI Trainer - Advanced Mandarin Fluency - Canada

Remote · Canada

Participate in live video calls to have natural, unscripted conversations in Mandarin with other participants. These recordings are used to help AI models learn natural speech patterns, tone, and cultural nuances.

AI Trainer - Kannada - Canada

Remote · Canada

You will be completing side-by-side evaluations of both text and voice snippets, assessing how naturally and authentically the AI captures Kannada speech. This includes listening to audio clips and identifying how natural the voice sounds.

Arabic (Saudi Dialects) - Fluent Speakers - AI Training

Remote · ["Canada"]

Arabic - Fluent Speakers - AI Training 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 organizations use Prolific to gather data from paid study participants with diverse experiences, knowledge, and skills. The role We are seeking fluent Arabic speakers with knowledge of Saudi Arabian dialects to act as evaluators. AI models are now learning to communicate with human-like nuance, and we need fluent speakers to ensure these models understand the depth and nua…

Pathologists (Freelance - Remote)

Remote · ["Canada"]

About the job Pathologists (Freelance - Remote) 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 organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledge, and skills. The role We are seeking qualified Pathologists to support a high-impact AI development project focused on medical image interpretation and clinical accuracy. As AI models become increasingly capable of analyzing complex medical data, we…

Operations and PMO Leaders - Subject Matter Expert - Canada

Remote · Canada

Participants will answer research questions and provide expert insights on project prioritization, resource allocation, and operational planning processes. They will also review scenarios and provide feedback on planning tools and governance frameworks.

Computer Science Experts - PhD - AI Training - Canada

Remote · Canada

The role involves working through complex problems while narrating the reasoning process and evaluating AI-generated responses. Participants will also compare model answers and provide structured feedback.

Statistics Experts - PhD - AI Training - Canada

Remote · Canada

The role involves working through complex problems while narrating the reasoning process and evaluating AI-generated responses. Additionally, it includes comparing model answers and providing structured feedback.

STEM Experts - PhD - AI Training - Canada

Remote · Canada

Experts will work through complex STEM problems while narrating their reasoning process. They will also review and evaluate AI-generated responses, providing feedback and selecting the best answers.