Remote PhD AI Reasoning & Evaluation Specialist

Braintrust; Puerto Rico; Remote; USD 124,000 - 207,000; Part time

Job summary

Braintrust is seeking PhD-level experts to help train and evaluate advanced AI models. This fully remote, flexible contract work lets you apply your domain expertise to shape how models reason, answer, and improve.

You will review AI-generated content in your field, identify where the model errs, and contribute to raising the quality bar on technical reasoning. Short-term engagement through June with potential extension.

Qualifications

• PhD (completed or in final stages) in ML/AI, CS, Engineering, Stats, or related field.
• Strong analytical and critical-thinking abilities to spot subtle errors.
• Fluent English and ability to explain complex ideas clearly.

Responsibilities

• Assess factuality and relevance of domain-specific AI outputs.
• Craft and answer questions related to Machine Learning and AI.
• Evaluate and rank domain-specific model responses.

Skills

Analytical skills

Critical thinking

English fluency

Communication skills

Education

PhD in Machine Learning/AI/CS/Engineering/Statistics

Job description

Braintrust is seeking PhD-level experts to help train and evaluate advanced AI models. This fully remote, flexible contract work lets you apply your domain expertise to shape how models reason, answer, and improve.

You will review AI-generated content in your field, identify where the model errs, and contribute to raising the quality bar on technical reasoning. Short-term engagement through June with potential extension.