Statistics Expert (PhD) for AI Training

About OpenTrain

OpenTrain is the #1 platform for finding and building careers in AI training and data labeling. It helps experts discover projects, build a professional profile, and apply in minutes for work that matches their skills. Creating an OpenTrain account is free.

About AI Training Work

AI training is the human side of building artificial intelligence. Contributors use subject-matter expertise to create examples, review model outputs, rate responses, and provide clear feedback that helps AI systems become more accurate and useful.

This work is remote and often flexible, making it possible to contribute part time while applying specialized knowledge to cutting-edge AI systems.

• Work with statistical questions, solutions, and written explanations
• Review and evaluate AI-generated content against project guidelines
• Use expert judgment to help improve model behavior

The Role

OpenTrain is recruiting a Statistics Expert (PhD) for AI training work focused on statistics. You will use advanced knowledge of statistics to create or improve expert responses, assess source materials and model outputs, and explain your reasoning with precision.

Prior AI training experience is not required unless stated elsewhere in this posting. Strong real-world knowledge of statistics, careful review, and clear written feedback are the central qualifications.

• Role: Statistics Expert (PhD)
• Work type: Part-time remote contractor
• Location: Worldwide
• Language: English

What You'll Do

You will contribute to text-generation and evaluation tasks involving statistical concepts, queries, and solutions. The work requires consistent application of project instructions and the ability to communicate complex judgments clearly.

• Write or improve expert responses to statistics queries
• Explain statistical reasoning clearly and accurately
• Review source materials and model outputs against project guidelines
• Explain judgments so feedback can improve model behavior
• Maintain consistency and quality across repeated review tasks

Requirements

Applicants should have a PhD in Statistics or a closely related field, along with demonstrated expertise in probability theory, statistical inference, Bayesian methods, biostatistics, experimental design, or computational statistics.

The role also requires exceptional written communication for conveying complex statistical concepts with precision and experience creating, reviewing, or publishing scientific or technical materials in statistics. Familiarity with MySQL and advanced data analysis techniques is preferred.

• PhD in Statistics or a closely related field
• Strong knowledge of core and advanced statistical concepts
• Demonstrated expertise in one or more listed statistical specialties
• Fluency in English
• Exceptional written communication and close attention to detail
• Ability to follow detailed instructions and apply rubrics consistently
• Experience creating, reviewing, or publishing statistical scientific or technical materials
• Ability to work independently on remote contractor tasks
• Familiarity with MySQL and advanced data analysis techniques preferred

Schedule and Pay

This is flexible, part-time contractor work estimated at about 20 hours per week over 1 to 3 months. The structured schedule is listed as less than 20 hours per week, so actual workload may vary by project needs.

The role pays $90 to $120 per hour. Estimated project earnings are $14,400 to $19,200 based on the schedule and duration shown on OpenTrain.

• Pay: $90-$120 per hour
• Estimated project duration: 1-3 months
• Schedule: Flexible, part time, about or less than 20 hours per week
• Engagement: Remote contractor

Build Your AI Training Career

OpenTrain gives freelancers one place to manage AI training opportunities, demonstrate credible experience, and build a lasting professional portfolio. Your work applying statistical expertise can help shape how AI systems answer technical questions and explain complex ideas.

Create a free OpenTrain account to build your profile and apply for this opportunity in minutes.

• Apply your statistics expertise to real AI training tasks
• Work remotely with a flexible schedule
• Build a profile centered on specialized AI training experience
• Grow toward a durable career in a fast-expanding field