Chemistry Expert, Problem Design and AI Evaluation

You will create advanced chemistry questions and solutions used to train and evaluate AI models. The work focuses on real-world chemical principles and requires careful judgment of complex scientific reasoning.

You will also review AI-generated answers, identify errors or missing details, and write clear feedback that improves the quality and reliability of future responses.

• Develop graduate-level and PhD-level chemistry problems and solutions.
• Write realistic, challenging prompts based on chemical principles.
• Evaluate AI responses for accuracy, completeness, and understanding.
• Identify weaknesses in scientific reasoning and explain precise corrections.
• Use analytical judgment, experimental-design skills, and critical writing.

This is a remote, part-time contract engagement with project-based assignments.

• $75 per hour.
• 20+ hours per week.
• Remote, with eligibility based on the countries listed for this role.
• Professional fluency in English.
• A master's degree or PhD in chemistry, chemical engineering, biochemistry, or a related field.
• At least two years of experience in academic research, industrial research and development, or applied chemistry.
• Ability to create and assess graduate-level and PhD-level chemistry problems and solutions.
• Ability to interpret complex data accurately and explain advanced chemical concepts clearly.
• Published research or technical reports and strong scientific communication skills are helpful.
• Familiarity with organic, inorganic, physical, and analytical chemistry is helpful.
• Prior exposure to AI or machine-learning environments or interdisciplinary work is helpful.

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

AI training work is the human side of building artificial intelligence: people create examples, write prompts, and review model responses so AI systems become more accurate and useful. Specialists are paid for applying real subject knowledge to judge complex outputs and explain what needs to improve. OpenTrain is a platform where people find these projects, build a profile, and apply.