ZTO Labs

ZTO Labs is seeking experts with a Master's or Ph.D. in Mathematics to create original, graduate-level math questions (e.g., in algebra, analysis, topology, probability).

This is a flexible, remote freelance position. Your work will build a high-quality dataset to challenge and improve advanced AI systems like Gemini 2.5 Pro.

What You'll Do:

• Design complex, reasoning-intensive math questions (graduate or advanced undergraduate level) with clear, verifiable answers.
• Provide detailed, step-by-step solutions and one short, self-contained hint for each question.
• Include an essential visual component (graph, diagram, etc.) for at least half of your questions.
• Test your questions against Gemini 2.5 Pro to ensure they are challenging (must fail in at least 4 out of 6 attempts before the hint).
• Revise questions based on feedback from our audit team.

Requirements:

• Master's degree or higher in a Mathematics discipline (Ph.D. preferred).
• Expertise in advanced math topics.
• Ability to write clear math questions and solutions in English. (Simple, clear English is acceptable; mathematical accuracy is the top priority) .
• Access to Gemini 2.5 Pro.

We Offer:

• Competitive pay per approved and accepted Q&A pair.
• Fully flexible remote work - contribute anytime, from anywhere.
• An opportunity to make a real impact on AI research.

How to Apply: Please send us:

1. Your CV or resume, highlighting your academic background and math expertise.
2. A short note confirming you have access to Gemini 2.5 Pro.