Browse current remote roles in AI training, model evaluation, RLHF, data annotation, and expert review. Filter by country, language, and specialty, then apply through OpenTrain.
Review AI-generated physics content and contributor QA work for scientific accuracy, reasoning, calculations, and clear explanations. This remote U.S. contractor role pays up to $75 per hour and requires 20 or more hours weekly.
Posted Jul 9, 2026
Design and solve difficult physics problems that test large language models, then write clear solutions and feedback. This remote contractor role needs strong physics knowledge, excellent English, and at least 20 hours each week.
Posted Jul 17, 2026
Design advanced physics questions and evaluate AI-generated answers for scientific accuracy, logical consistency, and physical validity. This remote contract role pays $75 per hour and requires 20+ hours per week.
Posted Sep 25, 2026
Use advanced physics knowledge to review AI answers, find errors, rank reasoning, and write model solutions. This contract role pays $30-$70 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Create difficult physics problems, detailed solutions, and evaluation benchmarks for large language models. This expert contract role is open worldwide, requires strong physics and graduate-level STEM experience, and offers 20+ hours per week.
Posted Jul 17, 2026
Evaluate AI-generated nuclear physics answers, write accurate reference responses, and give detailed scientific feedback at $60 to $90 per hour. The role requires strong nuclear physics knowledge and professional English fluency.
Posted Sep 11, 2026
Review AI systems on advanced atomic and optical physics, including ytterbium calculations and sigma versus pi transitions. Pay is $100 to $200 per hour for less than 20 hours per week.
Posted Sep 12, 2026
Solve advanced physics problems and create clear, reproducible derivations for AI training. This remote contractor role pays $100 to $200 per hour and requires less than 20 hours per week.
Posted Sep 8, 2026
Apply your expertise in statistical physics, quantum information, or condensed matter theory to AI training research. This remote contractor role pays $100 to $200 per hour and takes 5 to 10 or more hours per week.
Posted Sep 8, 2026
Create reproducible, terminal-based scientific computing tasks that test AI agents on physics, chemistry, materials science, and astronomy workflows. This five-week remote contractor assignment pays $300 per approved task.
Posted Sep 26, 2026
The partner lists a Mathematics Expert role, but its description names a different subject. The duties and qualifications need confirmation before applying.
Posted Oct 2, 2026
Create challenging computational physics problems and verify reproducible Python solutions across mechanics, electromagnetism, thermodynamics, and quantum mechanics. This global, part-time contract role pays $15 to $60 per hour.
Posted Mar 29, 2026
Investigate open problems in computer science and computational or mathematical physics using AI models, proofs, algorithms, and simulations. This flexible contract pays $100 to $400 per hour.
Posted Oct 13, 2026
Create, solve, and validate aerodynamics and computational fluid dynamics tasks for AI training. This remote role offers approximately 15 hours per week and pays $80 to $120 per hour equivalent, paid per task that meets the project specifications.
Posted Oct 16, 2026
Review AI-generated astronomy and astrophysics content for scientific accuracy, clear reasoning, correct calculations, and rubric compliance. This remote US contractor role offers up to $110 per hour and requires 20 or more hours weekly.
Posted Jul 8, 2026
Build and evaluate AI training datasets around mechanical design, simulation, testing, and failure analysis. This remote contract is planned for eight weeks and requires advanced engineering experience.
Posted Oct 16, 2026
Evaluate AI-generated materials science work, build scientific benchmarks, and review model reasoning against verified standards. This worldwide, English-language contract role requires advanced materials or semiconductor expertise and 20+ hours per week.
Posted Sep 25, 2026
Review AI-generated astronomy and space science answers for accuracy, sound reasoning, uncertainty, and clear limits. This remote contract role pays $40-$100 per hour and requires 20+ hours weekly.
Posted Jul 8, 2026
Record first-person video of household chores and physical tasks from home using a compatible smartphone and head strap. This part-time contractor role pays $15 per hour and is open to candidates in the United States.
Posted Oct 19, 2026
Guide AI models through open problems, proofs, algorithms, numerical experiments, and high-performance simulations in a remote contractor role paying $100 to $400 per hour. Flexible part-time or full-time availability is open to candidates in listed countries.
Posted Oct 13, 2026
Run structured aerodynamic workflows in Flow5 v7 using supplied geometry and project files. This remote contractor role pays per task and involves precise analyses, file delivery, and documentation.
Posted Oct 18, 2026
Use deep STEM expertise and Python to solve technical problems and evaluate AI-generated answers. This remote contractor role offers $60 to $120 per hour equivalent, paid per task that meets the project specifications, with about 15 flexible hours each week.
Posted Oct 16, 2026
Create, solve, and explain advanced chemistry problems used to train AI models. This remote contractor role requires deep chemistry knowledge, clear reasoning, and at least 20 hours per week.
Posted Jul 17, 2026
Use mechanical engineering, simulation, Python, and coding-agent skills to create and review tasks for AI training. This remote contractor role offers flexible scheduling of about 15 hours per week and pays $60 to $120 per hour equivalent, paid per task.
Posted Oct 16, 2026
Review and improve AI-generated mechanical engineering content as a remote contractor earning up to $70 per hour. Work 20+ hours weekly and use your engineering expertise to assess technical accuracy and reasoning.
Posted Jul 9, 2026
Record hands-free, first-person videos of household chores and physical tasks for AI training. This remote, part-time contractor role pays $13 to $15 per hour for qualifying submissions.
Posted Jul 3, 2026
Record hands-free, first-person videos of household chores and physical tasks for AI training. This remote contractor role pays $6 per hour for accepted recorded video and offers flexible scheduling in selected Latin American countries.
Posted Oct 19, 2026
Review AI-generated chemistry answers, design challenging questions, and give expert feedback on accuracy, reasoning, and chemical validity. This remote contract role offers flexible project-based work for qualified chemistry specialists.
Posted Sep 25, 2026
Create advanced computational and quantum chemistry problems, verify solutions with Python and chemistry libraries, and model real research workflows. This part-time contractor role requires a PhD and offers $15 to $60 per hour based on task complexity.
Posted Mar 29, 2026
Build and deploy multi-step AI agent workflows for mathematical and scientific reasoning. This remote, four-week contractor role requires advanced Python, production agent systems experience, and 40 hours per week.
Posted Sep 28, 2026
Record first-person video of household chores and other physical tasks at home using a compatible smartphone. This U.S.-based contractor role pays $14 to $15 per hour of recorded video, with a signing bonus and head strap reimbursement available after 20 hours.
Posted Aug 20, 2026
Create and evaluate mathematical reasoning content for language models. Analyze problems, validate claims, and explain solutions clearly in a remote contract role requiring 20+ hours each week.
Posted Jul 16, 2026
Review AI-generated materials science content, create accurate reference answers, and rate model outputs for $30 to $95 per hour. This remote contract requires 20+ hours per week, professional English, and deep materials science experience.
Posted Sep 11, 2026
Create difficult mechanical engineering problems and verified Python solutions to train and evaluate advanced AI models. This part-time contract pays $10 to $45 per hour and requires advanced English and Python.
Posted Dec 12, 2025
Record first-person video of everyday commercial or industrial work using your smartphone and head mount. This remote, part-time contractor role pays $8 to $12 per hour and is open in selected countries.
Posted Oct 20, 2026
Review AI-generated elementary science lessons, activities, quizzes, and explanations for accuracy, safety, and grade-level fit. This remote contractor role is open in India at $10 per hour with 20+ hours weekly.
Posted Aug 29, 2026
Review AI-generated chemistry content and trainer QA work for scientific accuracy, clarity, and safety. This US-based role pays $75 per hour and requires 20 or more hours each week.
Posted Jul 8, 2026
Create rigorous biomedical signal processing and machine learning problems, develop reference solutions, and validate reproducible methods. This part-time contract pays $60 to $120 per hour equivalent, paid per task that meets the project specifications.
Posted Oct 17, 2026
Lead AI training tasks that evaluate mechanical and aerospace engineering simulations, computational models, and technical feedback. This role suits advanced engineers with strong programming and simulation expertise.
Posted Oct 9, 2026
Review AI-generated aerospace electrical simulation work using CAD models, schematics, and engineering judgment. This expert contract role requires at least 10 years of experience and 20 to 40 hours per week with Pacific Time overlap.
Posted Oct 9, 2026
Create advanced STEM questions, score AI-generated solutions, and build detailed rubrics for model training. This remote US contractor role pays $100 per hour and requires 20+ hours weekly.
Posted Sep 30, 2026
Create realistic mechanical engineering problem sets and fully verified Python solutions for AI training. This part-time contract role pays $15 to $50 per hour and requires at least 20 hours per week.
Posted Mar 29, 2026
Evaluate AI-generated answers to advanced CFD problems involving meshing, turbulence, heat transfer, multiphysics, and solver setup. This remote contractor role pays $50 to $150 per hour equivalent, paid per task that meets the project specifications.
Posted Sep 7, 2026
Review AI-generated philosophy content and contributor work for accuracy, logic, context, and rubric alignment. This US-based contractor role pays up to $65 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Review and compare AI-generated chemistry answers, check calculations and concepts, and write accurate explanations. This expert contractor role pays $30-$70 per hour and requires 20+ hours weekly.
Posted Jul 8, 2026
Evaluate advanced mathematics problems and model-generated solutions, write corrections, and verify formal proofs in Lean. This remote contractor role offers 20, 30, or 40 hours per week.
Posted Jul 20, 2026
Create precise, verifiable engineering questions from multi-part FreeCAD assemblies. This part-time contract role pays $40 to $80 per hour and requires strong mechanical CAD knowledge.
Posted Sep 11, 2026
Design original, research-style mathematics problems and verify complete solutions in Python. This part-time contract role requires an advanced mathematics background, a degree, and at least 20 hours per week.
Posted Mar 29, 2026
Review prompts and AI-generated responses for chemical, biological, radiological, nuclear, and explosive safety risks. This part-time contractor role pays $50 to $52 per hour and requires less than 20 hours per week.
Posted Sep 21, 2026
The partner lists a Life Sciences Subject Matter Expert role in chemistry, but its description focuses mainly on biology. The duties and qualifications need confirmation before applying.
Posted Sep 30, 2026
Create realistic electrical engineering problems and evaluate AI-generated technical content for accuracy and practical feasibility. This flexible, remote contract pays up to $120 per hour and requires current US residence.
Posted Sep 25, 2026
Review AI-generated mechanical engineering problems, drawings, calculations, and FEA results for accuracy and practical use. This flexible contract role pays $100 per hour and is open to candidates in the United States.
Posted Sep 25, 2026
Lead a 5 to 10 person technical pod creating and evaluating terminal-based coding, scientific computing, and electrical engineering tasks for AI training. The role requires 20+ hours per week and advanced technical experience.
Posted Oct 14, 2026
Review AI-generated chemistry solutions, apply evaluation guidelines, and explain whether conclusions are scientifically sound. This part-time role is open to US-based chemistry experts with advanced academic or research experience.
Posted Oct 14, 2026
Create terminal-based Earth science tasks for AI agents using scientific programming, geospatial data, modeling, and objective evaluation. This remote contractor assignment pays $300 per approved task and runs for five weeks.
Posted Sep 24, 2026
Create rigorous life sciences tasks for AI evaluation using experiments, biological data, figures, sequences, and research evidence. This remote contractor role runs for one month and requires 20 or more hours per week.
Posted Oct 8, 2026
Create and verify advanced Python problem sets for quantitative finance, covering stochastic processes, optimization, simulation, time series, and risk modeling. This worldwide contract role pays $15 to $60 per hour for 20+ hours per week.
Posted Mar 29, 2026
Review AI-generated geology and earth science content for scientific accuracy, reasoning, and rubric alignment. This US-based contract role pays $70 per hour and requires 20+ hours each week.
Posted Jul 8, 2026
Review AI-generated mathematics, check proofs and calculations, and guide remote QA work at $25 to $75 per hour. This United States contractor role requires 20 or more hours per week.
Posted Jul 9, 2026
Review AI-generated mechanical engineering content, calculations, designs, and recommendations for accuracy, safety, clarity, and rubric compliance. This US-based contract role pays $75 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Review civil and structural engineering models, simulations, reference solutions, and automated graders for AI evaluation tasks. This remote contractor assignment requires advanced engineering experience, programming skills, and at least 20 hours per week.
Posted Oct 9, 2026
Create and verify realistic electrical engineering problems, writing clear prompts and reproducible Python solutions. This worldwide contract role pays $15 to $50 per hour and requires an electrical engineering degree plus relevant experience.
Posted Mar 29, 2026
Create realistic Earth sciences tasks for AI training and evaluation using scientific code, environmental datasets, simulations, and automated tests. This remote contractor role is open worldwide and requires fluent English and advanced technical experience.
Posted Oct 9, 2026
Create advanced, non-coding biology problems and reference answers for AI evaluation. This contract role suits researchers who can interpret experiments, data, figures, sequences, structures, and scientific evidence.
Posted Sep 24, 2026
Review AI-generated math answers, check proofs and calculations, and write clear model solutions for $70 per hour. This part-time contract requires 20+ hours weekly and advanced mathematics training.
Posted Jul 9, 2026
Create, solve, and evaluate hardware engineering problems for AI training. This remote contractor role pays $60 to $120 per hour equivalent, paid per task that meets the project specifications, for about 15 hours per week.
Posted Oct 16, 2026
Review AI-generated answers to advanced mathematics questions for accuracy, proof quality, and logical consistency. This remote contract role pays $75 per hour and offers flexible, asynchronous work for candidates in the United States.
Posted Sep 25, 2026
Use chemistry or computational chemistry expertise to evaluate AI problems, workflows, data, and reasoning. This contractor role pays $45 to $90 per hour and is open in selected countries.
Posted Oct 16, 2026
Review complex aerospace assemblies and write precise questions and answers about design features, functions, and component relationships. This remote, part-time contractor role pays $40 to $80 per hour.
Posted Sep 11, 2026
Design complex computational life sciences tasks that test how AI agents inspect data, write code, use scientific tools, and produce valid results. This remote five-week contractor assignment pays $280 per approved task.
Posted Oct 8, 2026
Review AI-generated TypeScript code and technical explanations, apply clear evaluation guidelines, and give evidence-based feedback. This remote contractor role pays $60 per hour and requires 20+ hours per week.
Posted Jul 9, 2026
Help train AI systems by creating and evaluating expert problems in computational chemistry, structural biology, and drug discovery. This part-time contractor role pays $45 to $90 per hour and requires a relevant PhD.
Posted Oct 15, 2026
Review AI-generated electrical engineering content, calculations, and QA work for accuracy and safety at $105 per hour. This US-based contractor role requires 20+ hours weekly and strong electrical engineering experience.
Posted Jul 8, 2026
Use advanced life sciences research skills to design scientific reasoning tasks, review AI-generated answers, and explain judgments clearly. The role requires strong scientific writing and at least 20 hours per week.
Posted Sep 30, 2026
Create and evaluate multi-step computational mathematics tasks for AI agents, with expert solutions, tests, grading criteria, and documentation. This remote five-week contractor assignment pays $300 per approved task and requires at least 40 hours per week.
Posted Sep 26, 2026
Review AI-generated civil engineering content and trainer QA work for calculations, safety, units, reasoning, and rubric accuracy. This remote U.S. contractor role pays up to $105 per hour and requires 20+ hours weekly.
Posted Jul 8, 2026
Design multi-step computational life sciences tasks that test whether AI agents can inspect data, run code, solve problems, and explain results. This remote contractor role pays $280 per approved task.
Posted Sep 22, 2026
Review AI-generated political science content, guide remote reviewers, and improve quality standards across AI training projects. This flexible US contractor role pays up to $70/hour and requires strong political science knowledge.
Posted Jul 9, 2026
Review AI-generated civil and structural engineering work, including calculations, models, estimates, and code compliance. This remote US contract role offers up to $90 per hour with an asynchronous schedule.
Posted Sep 25, 2026
Support AI training by creating and reviewing CAD models, simulation models, calculations, schematics, and engineering documentation. This remote 8-week contract requires 20 to 40 hours weekly and at least 10 years of relevant experience.
Posted Sep 8, 2026
Lead a pod of technical trainers creating and reviewing chemical engineering tasks for AI training. Evaluate simulations, models, graders, and engineering results using advanced technical judgment.
Posted Oct 9, 2026
Lead a team reviewing realistic engineering tasks for AI training, including simulations, numerical methods, and automated tests. This remote contractor assignment lasts about four weeks, requires 20+ hours weekly, and has no listed pay rate.
Posted Oct 16, 2026
Design realistic civil engineering problems, write complete solutions, and verify them with Python. This part-time contractor role pays $15 to $50 per hour and requires 20+ hours each week.
Posted Mar 29, 2026
Take individual and paired smartphone photos with your twin, submit the images, and complete a short questionnaire for an AI data collection project paying $140 per label. Apply through OpenTrain to get started.
Posted Oct 22, 2026
Take self-portraits and requested photos with your smartphone, then complete short questionnaires for an AI data collection project. The work is remote, open in listed countries, and pays $140 per task.
Posted Sep 18, 2026
