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

• $150–$200 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 difficult analytical problems, judge whether an AI's answer uses sound methods, write the solution a professional would give, and explain clearly where the reasoning or statistics break down. Your judgment helps shape the next generation of AI models. This is that work, done remotely around your current job. What you'll do• Build analytical prompts and test datasets for quantitative reasoning• Review AI-generated answers in data science and statistics• Write reference solutions for machine learning and experimentation problems• Spot flawed methods and statistical errors, then explain the problems in clear written feedback Why this is worth your time• Get paid $150–$200 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• Bring at least one year of professional experience from a leading technology, finance or research company, with some of that experience within the past three years• Apply statistics, machine learning, experimentation and quantitative reasoning, and judge whether the methods and conclusions in an analysis are technically sound• Fluent written English• No experience in AI training work needed. You bring the expertise; we bring the training on the tools. Pay and details• $150–$200 per hour, paid hourly as an independent contractor• Fully flexible schedule; fully remote, US 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.