Remote Math Expert for AI Training & Evaluation

Braintrust; Colombia; Remote; COP 43,348,000 - 130,045,000; Part time

Job summary

Braintrust seeks a PhD-level mathematician to help improve large language models by producing rigorous, transparent, step-by-step solutions and analyzing model limitations. You will collaborate with AI researchers to align task designs with evaluation goals, including symbolic manipulation and multi-step reasoning.

The engagement runs 12 weeks, requires 20–40 hours per week with four hours overlap in Pacific Time, and pays per task at $80 USD for approved work.

Qualifications

• PhD in Mathematics or equivalent technical field is required.
• Strong mathematics knowledge spanning advanced concepts from graduate-level to PhD.
• Excellent English comprehension and structured written communication.
• Ability to provide constructive feedback remotely and work independently in a fast-paced setting.

Responsibilities

• Create high-quality, step-by-step solutions with detailed reasoning.
• Collaborate with AI researchers to align task designs with evaluation goals (symbolic manipulation, abstraction, multi-step reasoning).
• Construct novel scenarios and evaluate complex reasoning pathways.
• Provide structured feedback and detailed annotations to improve model quality.

Skills

Analytical thinking

Problem-solving

Structured writing

English proficiency

Education

PhD in Mathematics

Job description

Braintrust seeks a PhD-level mathematician to help improve large language models by producing rigorous, transparent, step-by-step solutions and analyzing model limitations. You will collaborate with AI researchers to align task designs with evaluation goals, including symbolic manipulation and multi-step reasoning.

The engagement runs 12 weeks, requires 20–40 hours per week with four hours overlap in Pacific Time, and pays per task at $80 USD for approved work.