STEM PhD Expert for AI Reasoning & Evaluation

We're hiring PhD-level experts to help train and evaluate advanced AI models. This is remote, flexible contract work where your academic expertise directly shapes how cutting-edge models reason, answer, and improve. You'll review AI-generated content in your field, identify where the model gets things right or wrong, and help raise the quality bar on technical reasoning. This is a short-term engagement running through the end of June, with potential to extend depending on project needs. Key Responsibilities **You May Contribute Your Expertise By** * Assessing the factuality and relevance of domain-specific text produced by AI models * Crafting and answering questions related to Machine Learning and AI * Evaluating and ranking domain-specific responses generated by AI models What We're Looking For * A PhD (completed or in final stages) in one of the following fields: Machine Learning / AI, Computer Science, Engineering, Statistics, or a closely related quantitative subdomain such as Mathematics or Physics * Strong analytical and critical-thinking skills, with the ability to spot subtle errors in technical reasoning * Fluent written English and the ability to communicate complex ideas clearly Nice to Have * Research experience (academic or industry) * Prior experience with data annotation or AI model evaluation * Experience reviewing or publishing research papers **Compensation** Up to ****$150/hr**** , depending on your area of expertise, depth of experience, and assessment performance. Location This role is fully remote. We are currently accepting applicants based in: United States, Canada, Puerto Rico, Mexico, United Kingdom, Australia, New Zealand, and Argentina.