Remote Applied Mathematician — AI Assessment Content Designer

Obsidian; Toronto; Remote; CAD 60,000 - 90,000; Part time

Job summary

Obsidian invites expert mathematicians to author and review high-quality academic assessment content for an AI research initiative. You will write and verify rigorous multiple-choice questions across core mathematics domains, evaluate solution quality, and help establish gold-standard benchmarks used to advance AI capabilities.

You will be assigned one of two task types: Question Authoring or Question Verification, with responsibilities including drafting questions, rating difficulty, and

Qualifications

• Excellent written English and ability to express complex ideas clearly
• Experience with rigorous academic problem design or mathematical competition writing is a strong plus
• Strong command of graduate-level mathematical concepts and formal proof writing

Responsibilities

• Author original math questions that test deep conceptual understanding
• Rate each question's difficulty: Medium, Hard, or Expert
• Provide 1 correct answer and 9 plausible but subtly incorrect alternatives
• Write step-by-step Chain-of-Thought solutions with clear intermediate steps in markdown format
• Supply 1–5 academic references per question
• For verification tasks: flag issues with clarity, completeness, precision, or solvability and justify edits made

Skills

Academic problem design

English proficiency

Education

PhD in Mathematics or closely related field

Master's degree in Mathematics or related field

Job description

Obsidian invites expert mathematicians to author and review high-quality academic assessment content for an AI research initiative. You will write and verify rigorous multiple-choice questions across core mathematics domains, evaluate solution quality, and help establish gold-standard benchmarks used to advance AI capabilities.

You will be assigned one of two task types: Question Authoring or Question Verification, with responsibilities including drafting questions, rating difficulty, and