Senior Machine Learning Engineer, Part-Time AI Task Evaluation - Remote (United States)

OpenTrain AI connects experienced professionals with paid, part-time AI training work. In this role, you create and solve machine-learning tasks, evaluate AI implementations, write reference implementations and checks, and explain model and system failures.

Responsibilities:

• Create and solve challenging machine-learning tasks involving model development and training or inference systems
• Review model components and reproducible workflows to judge whether the implementation is correct
• Write reference implementations and objective checks for evaluation systems
• Explain numerical and system-level failures clearly so the team can improve the model or implementation

Requirements:

• A Master's or PhD degree focused on computer science, machine learning, artificial intelligence, applied mathematics, statistics, engineering, or another quantitative field closely related to these areas
• Strong professional or research experience building machine-learning systems, with depth in numerical computing, performance optimization or inference workflows
• Fluent English, with practical proficiency in Python and coding agents