Looking for work that applies mathematics to artificial-intelligence training and data labeling? These roles can involve using mathematical knowledge to create, review, or evaluate examples that help AI systems produce more accurate results. OpenTrain is the hiring organization, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support.
Use your expertise in biology, chemistry, mathematics, physics, or another STEM field to solve technical problems and evaluate AI-generated answers. This flexible remote contractor role pays $50-$100/hour and requires under 20 hours weekly.
Posted Sep 7, 2026
Design and deploy multi-step AI agent systems for advanced mathematical reasoning using Python, LLM orchestration, structured outputs, and tool integration. This remote four-week contractor assignment includes 40 hours per week and PST overlap.
Posted Sep 7, 2026
Create rigorous scientific programming problems, verified Python solutions, and tests that evaluate frontier AI models. This remote, eight-week contractor assignment requires advanced STEM expertise and is open to candidates in 12 countries.
Posted Sep 3, 2026
Earn $50–$100 per hour as a remote STEM Expert helping evaluate AI-generated scientific solutions. Use your expertise and Python skills on flexible, part-time technical reasoning tasks.
Posted Sep 2, 2026
Create, solve, and review advanced computational mathematics problems that support AI research and training. This remote contractor assignment offers 20, 30, or 40 hours per week for qualified PhD candidates and graduates.
Posted Aug 31, 2026
Use deep insurance or actuarial expertise to evaluate AI outputs, create gold-standard solutions, and build benchmark datasets. This Bay Area hybrid contract pays $60 to $100 per hour.
Posted Aug 28, 2026
Create and solve graduate-level computational mathematics problems that train and evaluate advanced AI models. This fully remote, three-month contractor role requires a PhD or current PhD candidacy, a peer-reviewed publication, and at least 20 hours weekly.
Posted Aug 23, 2026
Author and review challenging mathematics benchmark questions for AI research, including signal processing, financial mathematics, and modeling. Work remotely as an expert contractor for $61-$77 per hour.
Posted Aug 21, 2026
Create and solve research-grade computational mathematics problems, validate Python solutions, and evaluate AI training materials. This part-time contract role requires PhD-level expertise and offers 20+ hours per week.
Posted Aug 19, 2026
Create and solve graduate-level computational mathematics problems that help evaluate advanced AI models. This remote freelance assignment offers 20, 30, or 40 hours per week for three months.
Posted Aug 13, 2026
Create and solve research-grade computational mathematics problems that train and evaluate advanced language models. This fully remote contractor assignment offers 20, 30, or 40 hours per week for PhD-level specialists.
Posted Aug 13, 2026
Create and solve rigorous graduate-level computational mathematics problems that help evaluate advanced AI systems. This remote contractor role offers 20 to 40 hours per week for researchers with a PhD or PhD candidacy.
Posted Aug 13, 2026
Create and solve original graduate-level computational mathematics problems in Python to train and evaluate frontier AI systems. This fully remote contract requires advanced scientific coding, rigorous review, and 20 or more hours per week.
Posted Aug 13, 2026
Create graduate-level computational challenges that test advanced AI systems using simulations, numerical reasoning, model fitting, and experimental design. This remote contract role pays $70-$90 per hour and requires 20+ hours weekly.
Posted Aug 13, 2026
Create and solve research-grade computational mathematics problems that help evaluate advanced language models. Use Python, rigorous reasoning, and technical review skills in a flexible 20+ hour weekly contract.
Posted Aug 12, 2026
Create and solve rigorous computational mathematics problems that evaluate advanced AI systems. Use Python, research judgment, and detailed review skills in a flexible, remote contractor role with OpenTrain.
Posted Aug 12, 2026
Use advanced mathematics and Python to author and review research-grade problems that help train large language models. This remote, three-month contractor assignment offers 20, 30, or 40 hours per week.
Posted Aug 12, 2026
Use advanced mathematics expertise to author, review, and rigorously evaluate problems and proofs for AI training. This remote contractor role offers flexible scheduling and pays $80-$90 per hour.
Posted Aug 7, 2026
Use advanced stochastic modeling, renewal theory, and first-passage analysis to support AI training on bacterial population physics. This flexible worldwide contract pays $80 to $160 per hour for under 20 hours weekly.
Posted Aug 5, 2026
Use advanced expertise in holography, AdS/CFT, and mathematical physics to review and adjudicate AI-generated solutions. Work remotely for 10 hours weekly over 8 to 10 weeks at $80 to $160 per hour.
Posted Aug 2, 2026
Create challenging mathematics problems, evaluate large language model reasoning, and build Python and Lean solutions in a flexible remote contractor role. Apply your advanced math expertise to cutting-edge AI training through OpenTrain.
Posted Jul 20, 2026
Help advance large language models by designing challenging physics problems, writing rigorous solutions, and shaping evaluation benchmarks. This expert-level remote contract offers 20+ hours per week for graduate-level STEM specialists.
Posted Jul 17, 2026
Help improve large language models by creating, solving, and evaluating mathematical reasoning problems. This remote, part-time contractor role offers 20+ hours per week for strong English communicators with advanced math skills.
Posted Jul 16, 2026
Use your PhD-level mathematics expertise to write and evaluate precise answers for advanced AI training prompts. This worldwide, part-time contract offers $80-$90 per hour and 20+ hours weekly.
Posted Jul 15, 2026
Review AI-generated mathematical answers, verify proofs and calculations, and rank model responses for accuracy and reasoning quality. This contractor role pays $70 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Lead quality assurance for mathematics AI training, reviewing proofs, derivations, calculations, and reasoning while guiding remote trainers and QAs. This United States contractor role offers 20+ hours per week and up to $75/hour.
Posted Jul 9, 2026
Use Python and quantitative finance expertise to create and verify challenging, research-style problems for AI training. Work remotely as a part-time contractor for 20+ hours per week at $15 to $60 per hour.
Posted Mar 29, 2026
Create original, research-style mathematics problems and verify them computationally in Python for AI training. This expert contractor role offers flexible remote work for 20 or more hours weekly at listed rates of $15 to $60 per hour.
Posted Mar 29, 2026
Use advanced mathematics expertise to evaluate AI-generated solutions, identify subtle errors, and write rigorous exemplars at $80 per hour. This flexible contract role includes paid qualification and project exams.
Posted Oct 24, 2025
Use Python, statistical inference, and experimental design to evaluate AI-related data and produce clear, reproducible insights. This worldwide, part-time contract role pays $25 per hour and requires fewer than 20 hours weekly.
Posted Sep 3, 2025
Mathematics subject-matter work in AI training can involve examining whether generated answers, explanations, calculations, or reasoning are mathematically sound. Depending on the individual role, the work may also include writing or rating model responses, labeling data, evaluating results, reviewing code, or applying mathematical judgment to other examples used to develop AI systems. Read each live posting carefully to understand the specific subject area, responsibilities, and requirements.
OpenTrain is the hiring organization for roles on OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. The individual live posting is the source of truth for the role's eligibility, qualifications, responsibilities, pay, hours, schedule, location rules, and any client-specific requirements.
