OpenTrain is hiring a Scientific Coding Task Trainer for an eight-week remote contractor engagement to create scientific programming problems, verified Python solutions, and discriminative test cases for evaluating AI models. Candidates must hold a master's degree or PhD in a relevant STEM field, have strong Python and unit testing skills, and be able to commit to 40 hours per week with a 4-hour Pacific Time overlap. The position is open only to applicants living in one of 12 specified countries.