Math Expert (PhD) for AI Training

About OpenTrain

OpenTrain is the #1 platform for finding and building careers in AI training and data labeling. We help contributors discover specialized projects, build a professional profile, and apply in minutes. Creating an OpenTrain account is free.

• Worldwide opportunity
• English-language work
• Part-time contractor engagement

About AI Training Work

AI training is the human side of building artificial intelligence. Experts write, review, and evaluate examples that help modern models produce more accurate, useful, and trustworthy responses. Your mathematics expertise will contribute directly to how AI systems handle advanced mathematical reasoning.

• Work remotely with a computer and internet connection
• Help shape responses from cutting-edge AI systems
• Apply specialized academic knowledge to real model-development tasks

The Role

OpenTrain is seeking a Math Expert with a PhD in Mathematics or a closely related discipline. You will develop and refine high-quality answers to complex mathematics prompts spanning undergraduate and graduate curricula, while helping establish clear response standards for AI training.

This role is suited to a careful mathematical writer who can interpret proofs, explain difficult concepts, and deliver precise work in a distributed expert environment where quality and timeliness matter.

• Pay: $80-$90 per hour
• Time commitment: 20+ hours per week
• Work type: Part-time contractor
• Data type: Text
• Primary activities: Text generation and evaluation

What You'll Do

You will create and assess mathematical content used to train and evaluate AI models. The work requires comprehensive solutions, structured explanations, and thoughtful feedback on the standards and workflows used across the project.

• Write comprehensive and accurate responses to advanced mathematics prompts
• Review and refine golden responses for AI training
• Explain intricate mathematical problems, proofs, and concepts in a structured way
• Contribute feedback on guidelines, response standards, and content workflows
• Deliver work that is clear, precise, and timely

Requirements

Candidates should have a PhD in Mathematics or a closely related field, along with a strong academic background in graduate-level mathematics. You should be able to produce precise, comprehensive solutions and explain mathematical reasoning clearly in writing.

Experience authoring or reviewing mathematics materials is required. Relevant examples include textbooks, exams, problem sets, or journal articles. Familiarity with both pure and applied mathematics is important.

• PhD in Mathematics or a closely related discipline
• Strong graduate-level mathematics background
• Ability to explain proofs, concepts, and problem solving clearly
• Clear written and verbal communication skills
• Experience authoring or reviewing mathematics materials
• Strong attention to detail
• Collaborative and iterative working style

Helpful Background

Experience with expert review, model answers, or educational mathematics content can help you contribute effectively to this work. The role is listed as entry level, but it requires advanced subject-matter expertise and demonstrated experience communicating mathematical ideas.

• Expert review experience
• Experience developing or assessing model answers
• Background creating educational mathematics content

How to Apply

Create a free OpenTrain account, build your profile around your mathematics expertise, and apply through OpenTrain. This worldwide opportunity is designed for contributors who can commit to at least 20 hours per week and produce consistently high-quality work.

• Apply online through OpenTrain
• Highlight your PhD and mathematics background
• Showcase relevant writing, review, or educational content experience