# Mathematics Expert, Part-Time AI Math Task Validation - Remote (United States) Source: https://realanalystjobs.com/job/opentrain-ai-mathematics-expert-part-time-ai-math-task-validation-remote--united-states-mdvwo9 Mathematics Expert, Part-Time AI Math Task Validation - Remote (United States) at OpenTrain AI, a remote role based in United States. Experience level: Mid Level. Pay stated in the posting: $60 to $120 per hour equivalent, paid per accepted task. Posted on 15 November 2026, listed by the employer on RealAnalystJobs. Updated 15 November 2026. ## Key facts - Company: [OpenTrain AI](https://realanalystjobs.com/companies/opentrain-ai) - Location: United States - Work mode: Remote - Pay stated in the posting: $60 to $120 per hour equivalent, paid per accepted task - Posted: Nov 15, 2026 - Employment type: Part time - Experience level: Mid Level - Listed by: the employer, on Real Analyst Jobs Skills: [Python](https://realanalystjobs.com/skills/python), A/B Testing, Statistics ## About this role • $60 - $120 per hour equivalent, paid per accepted task • 100% remote • Part-time • About 15 hours a week, you choose when AI systems get better at mathematics when experts check both their reasoning and their numbers. AI training is the human work behind AI systems that learn from worked examples. Teams building these systems need mathematicians who can write and solve hard problems, check each step, and confirm the results with Python and scientific software. Your checks help test whether AI-generated mathematical solutions are correct and reproducible. This is remote, part-time contractor work applying your mathematical expertise to AI training. What you'll do • Write, solve and review advanced mathematical tasks used to train AI systems • Turn mathematical requirements into precise procedures and implement them with Python and command-line tools • Automate calculations, numerical experiments, parameter sweeps and visualizations, then check the results • Test special cases and confirm that results are mathematically sound, numerically correct and reproducible Why this is worth your time • Earn $60 - $120 an hour equivalent while solving and checking advanced mathematical tasks • Work on AI systems as they learn to reason through mathematics, checking their solutions step by step • Put Python and scientific software to work on well-defined mathematical problems • Fully remote and flexible, no fixed shifts, no commute Who this is for • Fluent in English • MS or PhD in Mathematics, Applied Mathematics, Statistics or Operations Research, or in Computational Science, Theoretical Computer Science or another closely related quantitative field • Or a BS in Mathematics or a related quantitative field, plus 1 to 2 years of professional or research experience focused on mathematics • Strong expertise in at least one area: applied mathematics, numerical analysis, optimization, probability or statistics, or discrete mathematics, algebra or geometry, or mathematical modeling or dynamical systems • Practical Python experience in mathematical computation, automation, experimentation or validation • Familiarity with scientific tools such as NumPy, SciPy, SymPy, SageMath and CVXPY, or pandas, Matplotlib, Jupyter, Julia or GNU Octave, numerical solvers or comparable software • Helpful background includes command-line mathematical tools, optimization libraries, numerical methods, scientific computing, or reproducible computational research. • No AI experience needed. You bring the expertise; you create, solve and validate the mathematical tasks. Pay and details • $60 - $120 per hour equivalent, paid per accepted task as an independent contractor • Part-time, flexible schedule; fully remote, United States How to apply 1. Apply on OpenTrain (upload your resume): https://realanalystjobs.com/job/opentrain-ai-mathematics-expert-part-time-ai-math-task-validation-remote--united-states-mdvwo9 2. Complete the application on the hiring site. 3. If shortlisted, take a short AI interview. Ready to put your mathematical expertise to work on AI training? Apply today. About OpenTrain AI OpenTrain AI connects experienced professionals with paid, part-time AI training work: shaping and improving the AI systems that companies are building right now. ## How to apply Open [this role on Real Analyst Jobs](https://realanalystjobs.com/job/opentrain-ai-mathematics-expert-part-time-ai-math-task-validation-remote--united-states-mdvwo9) and use Apply now there to reach the employer's application. ## OpenTrain AI 2 open analyst roles on Real Analyst Jobs. [More roles at OpenTrain AI](https://realanalystjobs.com/companies/opentrain-ai) ## More like this ### Other open roles at OpenTrain AI - [Quantitative Rates Researcher, Part-Time AI Research Evaluation - Remote (United States)](https://realanalystjobs.com/job/opentrain-ai-quantitative-rates-researcher-part-time-ai-research-evaluati-remote-united-states-fvu3e4), Remote - [Data analyst jobs in the USA](https://realanalystjobs.com/jobs/data-analyst-jobs-in-usa) - [Analyst job market report](https://realanalystjobs.com/analyst-job-market) - [What analyst roles pay](https://realanalystjobs.com/blog/data-analyst-salaries) ## Sources and links - [This role on Real Analyst Jobs](https://realanalystjobs.com/job/opentrain-ai-mathematics-expert-part-time-ai-math-task-validation-remote--united-states-mdvwo9) - [OpenTrain AI on Real Analyst Jobs](https://realanalystjobs.com/companies/opentrain-ai) - [All analyst jobs](https://realanalystjobs.com/jobs)