Mathematics AI Reasoning Evaluator — Remote

OpenTrain AI, Inc.; United States; Hybrid; USD 85,000 - 121,000; Full time

Job summary

OpenTrain AI, Inc. is seeking a Mathematics AI Response Evaluator to design rigorous mathematical questions and assess AI-generated content for accuracy, logical consistency, and proof construction.

This is a fully remote, project-based contract opportunity designed to fit alongside academic research, teaching, postdoctoral work, or industry employment, with an hourly pay rate up to $75 and flexible, asynchronous scheduling.

Qualifications

• PhD or doctoral study in mathematics or closely related field required.
• Strong background in advanced mathematical reasoning and proofs.
• Familiarity with formal logic and rigorous mathematical standards.

Responsibilities

• Design rigorous, domain-relevant questions grounded in advanced mathematics.
• Review AI-generated mathematical responses for correctness and logical consistency.
• Evaluate proof construction, formal logic, and the quality of mathematical reasoning.
• Provide clear feedback distinguishing valid reasoning from errors or unsupported conclusions.

Skills

Advanced mathematical reasoning

Proof writing

Formal logic

Education

Doctoral degree in mathematics or related field

Job description

The work

You will help improve how AI systems handle advanced mathematical reasoning. The work combines writing rigorous questions with reviewing and explaining the quality of AI-generated answers.

• Write rigorous questions based on advanced mathematics.
• Review AI-generated mathematical responses for correctness and logical consistency.
• Assess proof construction, formal logic, and the quality of mathematical reasoning.
• Give clear feedback that separates valid reasoning from errors or unsupported conclusions.

What it pays and takes

This is a remote, project-based contract role that can fit alongside academic or professional work. The schedule is flexible and asynchronous.

• Pay: $75 per hour.
• Hours: 20+ hours per week.
• Location: Open to candidates in the United States.
• Language: Fluent English.
• Work arrangement: Fully remote, flexible, and asynchronous.
• Education: Doctoral study or a completed doctoral degree in mathematics or a closely related field.
• Skills: Advanced mathematical reasoning, mathematical proof writing and review, formal logic, and rigorous standards of mathematical accuracy.
• Helpful background: Teaching, academic research, postdoctoral work, or industry work involving formal mathematical analysis.

How it works

Apply on OpenTrain with your resume, then complete the application on the hiring site.

About AI training work

AI training work is the human side of building artificial intelligence. Contributors write questions, review model responses, and provide feedback so AI systems learn to produce more accurate and useful results; people with strong mathematical expertise are needed for work that requires rigorous reasoning. OpenTrain is where people find these projects, build a profile, and apply.