Job Description

• $60–$120 per hour equivalent, paid per accepted task

• 100% remote

• Part-time independent contractor

• Under 20 hours a week, you choose when

Turn practical machine-learning engineering experience into demanding tasks, reproducible solutions, and objective reviews that test advanced AI systems.

OpenTrain AI is hiring for this role.

AI training work uses expert-built examples and feedback to improve model quality. You will design machine-learning tasks, inspect experiments and code, and explain whether technical results are correct, stable, and reproducible.

What you'll do

• Develop challenging machine-learning problems for advanced models.

• Prepare repeatable setups, answer examples, scoring rules, rubrics, and automated checks.

• Review model-generated Python code, experiments, analyses, and technical deliverables

• Identify data leakage, incorrect validation, unstable training,