R Model Evaluation Engineer

About OpenTrain

OpenTrain AI is hiring an R Model Evaluation Engineer for remote contract work in the growing AI-training industry. OpenTrain is the leading platform for finding and building careers in AI training and data labeling, helping contributors discover projects, build a professional profile, and apply in minutes.

• Remote hourly contractor position
• $55 USD per hour
• Part-time schedule of 20+ hours per week
• Applicants may be based in Bangladesh, Bhutan, Brazil, Cambodia, Germany, India, Indonesia, Malaysia, Nepal, Pakistan, Singapore, Sri Lanka, Thailand, the Philippines, the United States, Timor-Leste, or Vietnam

About AI Model Evaluation

AI training is the human work behind modern artificial intelligence. Experts review model outputs, create high-quality examples, evaluate reasoning, and identify inaccuracies or bias so AI systems become more reliable.

In this role, your R programming and applied statistics expertise will help assess whether AI-generated analyses are technically correct, clearly explained, and appropriate for the task.

• Contribute to cutting-edge AI development
• Work remotely with flexible, part-time contract hours
• Use professional data-analysis expertise to shape model behavior

The Role

As an R Model Evaluation Engineer, you will review AI-generated responses and create strong R and data-analysis examples. You will judge correctness, clarity, prompt adherence, and reasoning quality across statistical methods, modeling decisions, data-wrangling workflows, and analytical results.

• Experience level: Intermediate
• Primary subject area: R data analysis
• Work type: Contractor and part-time
• Working language: English

What You'll Do

• Review AI-generated responses for accuracy, clarity, prompt adherence, and step-by-step reasoning quality.
• Identify errors in statistical methods, modeling choices, and data-wrangling workflows.
• Fact-check analytical results and compare multiple model responses for correctness.
• Write expert-level explanations and model solutions demonstrating correct use of R.
• Create detailed prompts and responses that support AI training across diverse topics.
• Test model outputs for inaccuracies or biases and assess reliability across use cases.

Required Qualifications

You should have at least two years of hands-on experience using R for data analysis, statistics, or data science work. The role requires strong written English because evaluations, explanations, prompts, and model solutions must be precise and easy to understand.

• At least 2 years of hands-on R experience in data analysis, statistics, or data science.
• Strong R programming skills, including data wrangling, functional programming patterns, and reusable functions or packages.
• Solid applied statistics knowledge, including regression, inference, and model validation.
• Experience building end-to-end R analyses covering data cleaning, exploratory analysis, modeling, and visualization.
• Familiarity with tidyverse, data.table, ggplot2, and large language models used for coding or code review.
• Experience reviewing AI-generated or model-produced analyses for correctness and reasoning quality.
• Ability to explain analytical decisions clearly in written English.
• Bachelor's degree in Statistics, Mathematics, Computer Science, or a closely related quantitative field.

Who Should Apply

This opportunity is suited to an intermediate R practitioner who combines practical programming ability with applied statistical judgment. It may be a strong fit for data analysts, statisticians, data scientists, or quantitative professionals who enjoy explaining technical decisions and evaluating AI-assisted coding.

• R programmers who can assess complete analytical workflows
• Statisticians comfortable checking regression, inference, validation, and model comparison
• Data professionals experienced with tidyverse, data.table, and ggplot2
• Writers who can communicate technical reasoning accurately in English

How to Apply

Create a free OpenTrain account to build your AI-training profile and apply for this remote R model evaluation contract. OpenTrain helps people start and grow careers teaching AI through projects involving evaluation, prompt and response writing, and other human-feedback work.

• Confirm that you meet the R, statistics, education, language, and location requirements.
• Set aside at least 20 hours per week for the contract.
• Apply through OpenTrain and present your relevant R and data-analysis experience.