Data Scientist, Part-Time AI Model Evaluation - Remote (United States)

• $245–$280 per hour• 100% remote• Part-time• Fully flexible schedule Work on the cutting edge of AI, on your own schedule, and get paid for the data science judgment you already have. The AI systems everyone is talking about are trained and tested by real data scientists. The teams building them need data scientists who can create realistic, difficult problems, judge how well the AI handles them, write the answer a data science professional would give, and explain exactly where the AI's methods or reasoning fall short. Your judgment becomes part of how the next generation of AI models produces more accurate and reliable results. This is that work, done remotely, around your current job. What you'll do• Create expert prompts and datasets for statistics and machine learning problems• Review AI answers to data science and experimentation problems, separating correct, incomplete and methodologically unsound approaches• Write reference solutions using sound statistical and quantitative practice• Explain flawed methods and weaknesses in quantitative reasoning through structured feedback Why this is worth your time• Get paid $245–$280 an hour to build real AI skills, on top of your current job• Work directly with frontier AI tools and see how they are built, tested and improved, experience most data scientists will not have for years• Build a career edge for what comes next: AI is reshaping data science, and the people who understand it from the inside will lead that change• Fully remote, fully flexible, no minimum shift, no commute Who this is for• At least one year of professional experience at a leading company in technology, finance or research, including recent experience within the past seven years• An undergraduate degree from a top-ranked university is preferred• Strong knowledge of data science, statistics, machine learning, experimentation and quantitative reasoning, with clear written and professional communication in English and the ability to work independently• No experience in AI training work needed. You bring the expertise; we bring the training on the tools. Pay and details• $245–$280 per hour, paid hourly as an independent contractor• Fully flexible schedule; fully remote, United States How to apply1. Apply on OpenTrain (about two minutes; upload your resume).2. Complete a short application on the hiring platform.3. If shortlisted, take a short AI interview. Most people hear back within days. Ready to put your data science judgment to work at the frontier of AI? Apply today. About OpenTrain AIOpenTrain AI connects experienced professionals with paid, part-time AI training work: shaping and improving the AI systems that companies are building right now.