Opportunity Overview Handshake is looking for Machine Learning PhDs to support AI research through flexible, hourly contract work. This is not a traditional academic or industry research role. You'll draw on your machine learning expertise to evaluate AI-generated content and provide feedback that helps AI better understand machine learning reasoning, proof construction, and technical problem-solving. This is an ongoing, project-based opportunity you can take on alongside anything else you have going on. Who This Is For This is a good fit if you're a current or graduated machine learning PhD with deep expertise in one or more of the following areas: - Foundations of machine learning - Statistical and probabilistic methods - Computational and optimization methods What You'll Do You'll use your machine learning expertise to create domain-relevant questions and review AI-generated responses for accuracy, rigor, and relevance to real-world physics research and practice. No prior AI or technical experience is required. Qualifications We're looking for people who have: - A current enrollment in or a completed PhD in machine learning or a closely related field - Deep expertise in at least... Click Apply to read the full job description.