Machine Learning Engineer, Part-Time AI Model Development - Remote (United States)

OpenTrain AI connects experienced professionals with paid, part-time AI training work. The Machine Learning Engineer develops practical modeling and data tasks, evaluates AI-generated work, writes expert solutions, and recommends improvements.

Responsibilities:

• Create practical machine learning tasks involving model development, data analysis, and preprocessing workflows
• Review AI-generated modeling work, evaluate its results, and benchmark performance with appropriate metrics
• Write the expert solution, including Python implementations, model refinements, and validation steps
• Explain where an AI's approach falls short and recommend improvements based on the data and results

Requirements:

• Strong Python ability, with familiarity across scikit-learn, TensorFlow, or PyTorch
• Hands-on MongoDB experience in machine learning projects, including work to manipulate, store, and retrieve data
• Understanding of data preprocessing and feature engineering, plus model evaluation metrics
• clear written and spoken English
• No experience in AI training work needed