Crossing Hurdles is a recruitment firm. We refer top candidates to our partners working with the world’s leading AI research labs to help build and train cutting-edge AI models.

Position: Mathematics PhD

Type: Hourly Contract

Compensation: $70 - $140/hour

Location: Remote

Duration: 5–6 weeks

Commitment: 10–40 hours/week

Role Responsibilities

Training support will be provided

• Solve and evaluate advanced mathematics problems across multiple domains.
• Review AI-generated solutions and proofs for rigor and correctness.
• Provide structured feedback to improve AI systems’ mathematical reasoning.
• Apply graduate-level expertise to strengthen theorem-based evaluations.

Requirements

• Recent PhD in Mathematics (within the past 4 years) OR PhD candidate ≥2 years into program.
• Currently enrolled in or graduated from a Top 30 Mathematics program.
• Active in research/academia (or recently engaged within the last 4 years).
• Strong background in advanced problem-solving, theorem application, and proof evaluation.
• Ability to articulate reasoning clearly and identify gaps in mathematical arguments.

Application process

• Upload resume
• AI interview based on your resume (15 min)

This is a super urgent requirement. We advise you to complete the application process as soon as possible.

Seniority level

Mid-Senior level

Employment type

Contract

Job function

Education

Higher Education