OpenTrain is hiring an intermediate-level Materials Science Python Task Author for an 8-week remote contractor role to author rigorous scientific coding problems, verified solutions, and test cases that train and evaluate AI models. Candidates must hold a master's degree or PhD-level expertise in materials science or a related discipline and possess strong Python programming skills. Applicants must reside in one of 12 eligible countries and commit to 40 hours per week in English, including four hours of overlap with Pacific Time.