Looking for Statistics work in AI training? These roles can apply statistical knowledge to the human review and data-labeling work that helps prepare and assess AI systems. Depending on the posting, that may include evaluating quantitative reasoning, checking model responses, or reviewing labeled data. OpenTrain is the hiring organization, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support.
Review AI-generated surveys for methodological quality, bias, clarity, and reliable evidence. This remote freelance role offers $120 per hour and flexible work of at least 20 hours weekly.
Posted Sep 5, 2026
Use your P&C actuarial or portfolio risk expertise to create insurance reasoning scenarios, assess AI-generated analyses, and improve model performance. Remote contractor work pays $80 per hour after onboarding, with a commitment of 20 or more hours weekly.
Posted Sep 4, 2026
Use advanced clinical-trial biostatistics expertise to create synthetic patient data, build SDTM and ADaM outputs, and evaluate AI-generated analyses. This remote contract pays $120 to $170 per hour and is open in the US, Canada, and France.
Posted Aug 28, 2026
Use deep insurance or actuarial expertise to evaluate AI outputs, create gold-standard solutions, and build benchmark datasets. This Bay Area hybrid contract pays $60 to $100 per hour.
Posted Aug 28, 2026
Use your data science, statistics, and quantitative expertise to evaluate AI model reasoning, create expert prompts and reference solutions, and improve next-generation systems. This remote contractor role offers $245-$280 per hour and requires 20+ hours weekly.
Posted Aug 27, 2026
Author and review challenging mathematics benchmark questions for AI research, including signal processing, financial mathematics, and modeling. Work remotely as an expert contractor for $61-$77 per hour.
Posted Aug 21, 2026
Create graduate-level computational challenges that test advanced AI systems using simulations, numerical reasoning, model fitting, and experimental design. This remote contract role pays $70-$90 per hour and requires 20+ hours weekly.
Posted Aug 13, 2026
Use advanced biostatistical expertise to create rigorous AI evaluation tasks covering clinical trials, regulatory reviews, and observational studies. Contract work pays $60-$100 per hour for 20+ hours weekly.
Posted Aug 12, 2026
Apply your advanced statistical expertise to clean, analyze, visualize, and annotate complex datasets used to train next-generation AI systems. This flexible worldwide contract offers less than 20 hours per week and pays $60-$120 per hour.
Posted Aug 12, 2026
Use your statistical and data visualization expertise to create rigorous benchmark questions, answers, and explanations for advanced AI evaluation. Work remotely as a contractor for 20 or more hours per week at $25 to $50 per hour.
Posted Aug 11, 2026
Create rigorous AI training data from Kaplan-Meier curves, forest plots, ROC curves, and other medical visualizations. This remote contractor role offers $25-$50 per hour and requires clear clinical and biostatistical reasoning.
Posted Aug 11, 2026
Use advanced stochastic modeling, renewal theory, and first-passage analysis to support AI training on bacterial population physics. This flexible worldwide contract pays $80 to $160 per hour for under 20 hours weekly.
Posted Aug 5, 2026
Use data science, statistics, and technical writing expertise to evaluate and improve AI-generated content and data. This remote, part-time contractor role offers 20+ hours per week and $100 to $200 per hour.
Posted Aug 4, 2026
Use clinical-trial biostatistics expertise to evaluate AI-generated analyses, verify statistical outputs, and create reliable clinical research evaluation tasks. This remote contract offers $60-$65 per hour with a 20+ hour weekly commitment.
Posted Aug 4, 2026
Evaluate AI-generated and human-created data science work remotely at $100 to $150 per hour. Create grading criteria, assess complex deliverables, and provide evidence-based feedback through a flexible contractor role.
Posted Jul 29, 2026
Use advanced statistical expertise to write, review, and evaluate content that helps AI systems improve. This flexible remote contractor role pays $90-$120/hour and is open worldwide.
Posted Jul 15, 2026
Review AI-generated documents, spreadsheets, and slide decks for accuracy, rigor, and presentation quality. Earn $80-$120 per hour in a flexible, remote contractor role with OpenTrain.
Posted Jul 10, 2026
Review AI-generated R code, statistical explanations, visualizations, and modeling workflows for accuracy and reproducibility. This remote US contract offers up to $65/hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Review AI-generated R analyses, spot statistical and coding errors, and write expert solutions that improve model quality. This remote contract offers $55 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Use your public health expertise to evaluate AI responses, fact-check epidemiologic reasoning, and write high-quality model answers. This remote contractor role offers $45 to $70 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Review AI-generated mathematical answers, verify proofs and calculations, and rank model responses for accuracy and reasoning quality. This contractor role pays $70 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Evaluate AI-generated market research and create gold-standard research deliverables as a remote contractor. Earn $30 to $65 per hour while working 20+ hours weekly on future research projects.
Posted Jul 9, 2026
Review AI-generated data science content, code, models, and analytical workflows while helping trainers and QAs improve quality. This remote, part-time contractor role offers up to $110 per hour for qualified US-based candidates.
Posted Jul 8, 2026
Evaluate AI-generated analysis, code, and model outputs while creating reference solutions for complex data science problems. This remote, hourly contractor role offers 20+ hours per week and rates up to $100 per hour.
Posted Jul 8, 2026
Review and improve AI-generated clinical research content using your expertise in study design, statistics, evidence appraisal, and scientific communication. This flexible remote contractor role pays $40-$70 per hour and requires 20+ hours weekly.
Posted Jul 8, 2026
Use advanced Python, SQL, statistics, machine learning, and GenAI expertise to author realistic data science problems that help train and evaluate AI systems. This remote, project-based contractor role pays $15 to $40 per hour.
Posted Apr 5, 2026
Use expert Python, statistics, SQL, and GenAI knowledge to create and verify challenging computational machine learning problems. This project-based remote contract offers $15 to $40 per hour.
Posted Apr 5, 2026
Use Python and quantitative finance expertise to create and verify challenging, research-style problems for AI training. Work remotely as a part-time contractor for 20+ hours per week at $15 to $60 per hour.
Posted Mar 29, 2026
Use advanced Python and statistical expertise to create and validate challenging research-style problems for AI training. This remote contractor role offers flexible part-time work at $15-$60 per hour.
Posted Mar 29, 2026
Use advanced Python, SQL, statistics, and machine learning expertise to design and verify realistic data science problems that train and evaluate cutting-edge AI systems.
Posted Dec 3, 2025
Statistics subject-matter work can bring careful quantitative judgment to AI-training projects. A role may involve reviewing whether an AI response interprets data correctly, assessing reasoning that uses statistical concepts, labeling examples for model development, or evaluating the quality of data-related outputs. Some projects may also involve reviewing search results, written responses, or code where statistical understanding is relevant. The individual posting explains the actual responsibilities, so read it closely before deciding whether a role matches your background.
OpenTrain hires for the public roles available through OpenTrain. Candidates apply through OpenTrain, and successful candidates may be placed or referred to the client whose project they will support. Because hiring details can differ by role, use each individual live posting as the source of truth for eligibility, qualifications, responsibilities, pay, hours, location rules, and client-specific requirements.
