Remote Chemist: Assessment & Question Design for AI

Obsidian; Greater London; On-site; GBP 55,000 - 83,000; Part time

Job summary

Obsidian is seeking expert chemists to author and review high-quality academic assessment content for an AI research initiative. You will write and verify rigorous chemistry questions across core chemistry 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—Create original, challenging multiple-choice questions in your area of chemistry expertise, rate their difficulty, and

Qualifications

• PhD in Chemistry or doctoral candidate status required.
• Strong command of graduate-level chemistry concepts and quantitative analysis.

Responsibilities

• Author original chemistry questions testing deep conceptual understanding.
• Ensure questions are self-contained and unambiguous.
• Rate each question's difficulty: Medium, Hard, or Expert.
• Provide 1 correct answer and 9 plausible distractors.
• Write step-by-step Chain-of-Thought solutions with intermediate steps in markdown.
• Supply 1–5 academic references per question.

Skills

Chemistry expertise

Question design

Academic writing

English proficiency

Critical thinking

Education

PhD in Chemistry

Doctoral candidate

Job description

Obsidian is seeking expert chemists to author and review high-quality academic assessment content for an AI research initiative. You will write and verify rigorous chemistry questions across core chemistry 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—Create original, challenging multiple-choice questions in your area of chemistry expertise, rate their difficulty, and