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 life and environmental science content for accuracy, clarity, safety, and sound reasoning. This remote contract role is open to contributors in India and pays $20 per hour for 20+ hours each week.
Posted Aug 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 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
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
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
Use professional expertise in agriculture, forestry, and environmental science to review AI outputs, datasets, documents, and policy guidance. The part-time contractor role pays $40 to $60 per hour and is open in listed countries.
Posted Oct 14, 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
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 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
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
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
Review AI answers about chemistry, toxicology, industrial hygiene, and chemical security. This remote contract pays $70 to $100 per hour and requires 20+ hours each week.
Posted Sep 16, 2026
Use advanced life sciences knowledge to write, review, and improve AI-generated scientific responses. This contract role offers 20+ hours per week and requires English fluency plus advanced research experience.
Posted Oct 10, 2026
Create advanced, non-code life sciences reasoning tasks and expert reference answers for AI evaluation. This remote contract role requires strong biological research expertise and at least 20 hours per week.
Posted Oct 20, 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
Create graduate-level life sciences problems that test how AI interprets experiments, biological data, figures, sequences, structures, and research evidence. This remote contractor role requires advanced life sciences research experience.
Posted Oct 2, 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
Review and rate AI-generated content about chemical, biological, radiological, and nuclear safety. This remote contract role pays $60 to $100 per hour and requires relevant CBRN experience plus professional English.
Posted Sep 12, 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
Create graduate-level life sciences questions and reference answers that test how well AI interprets experiments, biological data, figures, sequences, and research evidence. This remote contractor assignment requires advanced research experience and Pacific Time overlap.
Posted Sep 30, 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
Design graduate-level biology problems and reference answers for AI evaluation using experiments, datasets, figures, sequences, structures, and literature-style evidence. This remote contractor assignment runs for one month.
Posted Sep 30, 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
Review complex biology problems and AI-generated answers, assess evidence and methods, and document clear scientific judgments. This contract, part-time role requires advanced life sciences expertise and 20+ hours each week.
Posted Oct 16, 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
Review and improve AI-generated chemical engineering content for technical accuracy, safety, calculations, and process reasoning. This remote contract pays $40 to $100 per hour and requires 20+ hours per week.
Posted Jul 8, 2026
Create graduate-level, non-coding life sciences tasks that test how AI interprets experiments, data, figures, sequences, structures, and research evidence. This remote contractor role requires advanced research experience and at least 40 hours per week for one month.
Posted Sep 24, 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
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
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
Review AI-generated education and social science content for accuracy, fairness, research quality, and instructional value. This remote India contractor role pays $20 per hour and requires 20+ hours each week.
Posted Aug 29, 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
Lead quality review for AI-generated chemical engineering content, checking calculations, units, safety, and reasoning. This remote U.S. contractor role pays up to $105/hour and seeks experts available 20+ hours weekly.
Posted Jul 8, 2026
Use political science expertise to create evaluation prompts, review LLM responses, test difficult cases, and give evidence-backed feedback. This eight-week contractor assignment requires 40 hours per week and four hours of Pacific Time overlap.
Posted Aug 15, 2026
Annotate food and dietary data, evaluate AI-generated nutrition content, and check scientific accuracy for nutrition tracking, coaching, and research applications. This flexible, eight-week remote assignment requires 20+ hours weekly and English proficiency.
Posted Oct 17, 2026
Create complex computational life sciences tasks that test AI agents through scientific analysis, coding, and reproducible evaluation. This remote contractor assignment pays $300 per approved task.
Posted Oct 17, 2026
Review AI answers about explosives and energetic materials for safety, accuracy, and appropriate handling of sensitive information. This remote project pays $1 to $100 per hour for 20+ hours per week and requires professional explosives expertise.
Posted Sep 16, 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
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
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
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
Help evaluate advanced Biology language models by creating difficult problems, solving them carefully, and writing clear feedback. This part-time contract role is open worldwide to English-speaking Biology experts.
Posted Jul 17, 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
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
Evaluate AI-generated answers to advanced life sciences questions, design expert-level problems, and write evidence-based rubrics. This remote contractor role pays $45 to $90 per hour and requires a life sciences PhD, laboratory research experience, and C1-level English.
Posted Oct 15, 2026
Evaluate AI-generated biology responses for accuracy, reasoning, experimental methods, and data interpretation. This remote, flexible role offers up to $125 per hour for qualifying work.
Posted Sep 25, 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
Review and improve AI-generated scientific answers across microbiome, metagenomics, clinical genomics, and translational research for $45 to $90 per hour. This remote contractor role requires a relevant PhD, laboratory research experience, and professional English.
Posted Oct 15, 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
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 biology content and trainer work for scientific accuracy, safety, and clear reasoning. This US-based remote contract pays up to $75 per hour for 20+ hours each week.
Posted Jul 8, 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
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
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 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
Create, solve, and review life sciences research problems for AI evaluation using Python, scientific data analysis, modeling, and code review. Pay is $60 to $120 per hour equivalent, paid per task that meets the project specifications, with about 15 flexible hours per week.
Posted Oct 21, 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 AI-generated nutrition content and label food, dietary, and nutrient data for accuracy, safety, and relevance. This entry-level contract role is open worldwide and requires 20 or more hours per week.
Posted Oct 17, 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 and improve AI-generated civil engineering content across structural, geotechnical, transportation, and water topics. This remote contract role pays $45 to $100 per hour and is open to qualified candidates in 17 countries.
Posted Jul 8, 2026
Review AI-generated biochemistry content, write reference answers, and catch errors in mechanisms, calculations, methods, and safety guidance. This remote contract role pays $30 to $85 per hour, requires 20+ hours weekly, and needs C1 English.
Posted Sep 11, 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 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
Evaluate AI-generated responses, create practical data science scenarios, and give structured feedback for up to $120 per hour. This remote, part-time project is open to US-based professionals with data science experience.
Posted Oct 10, 2026
Review and improve economics-focused AI training work, including calculations, graphs, policy analysis, and data interpretation. Earn $20 to $90 per hour as a remote contractor working 20 or more hours weekly.
Posted Jul 8, 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
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 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
Review AI-generated neuroscience and cognitive science content, check trainer and QA work, and improve scientific training data. This US contractor role pays up to $90/hour and requires 20+ hours per week.
Posted Jul 9, 2026
Use Python to validate AI-generated computer science solutions, assess multi-step reasoning, and design rigorous problems. This project-based expert role pays $15-$40 per hour and is open worldwide.
Posted Apr 5, 2026
Review complex dermatology cases, resolve clinical disagreements, and evaluate AI model outputs in a remote, four-week contract. The work is paid per task and averages 20+ hours per week.
Posted Oct 14, 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
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
Design complex, multi-step computational life sciences tasks that test how AI agents analyze data, run code, and reach valid conclusions. This remote five-week contractor assignment pays $300 per approved task and requires advanced research and Python skills.
Posted Sep 30, 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
Review and improve AI-generated sociology content and contributor work for accuracy, nuance, ethics, and rubric alignment. This US-based contractor role pays $65 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Create and review realistic academic and education content used in AI training. This remote contractor role needs strong knowledge of U.S. education practices and offers up to five weeks of work at 40 hours per week.
Posted Sep 24, 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
Analyze energy and utilities regulatory scenarios for AI training, including rate design, tariffs, market structure, FERC, and compliance. This remote contractor role requires a J.D., an active U.S. bar license, and four years of relevant practice.
Posted Oct 22, 2026
Review AI-generated architecture, interior design, urban design, and built-environment work for accuracy and practicality. Lead quality checks, feedback, documentation, and onboarding for remote expert teams at up to $75/hour.
Posted Jul 8, 2026
Review and rate AI-generated public health answers for accuracy, safety, evidence, and reasoning. This remote contractor role pays $45-$70 per hour and requires 5+ years of public health experience.
Posted Jul 9, 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
Review microstructures, welds, coatings, heat treatment evidence, and additive manufacturing builds for AI training. This remote contract role pays $60 per hour and requires strong standards-based judgment, but no prior AI experience.
Posted Sep 30, 2026
Review and improve AI-generated biology answers for accuracy, reasoning, and clarity. This remote contract role pays $70 per hour, typically offers 20+ hours weekly, and requires an advanced life-science degree.
Posted Jul 8, 2026
Review AI-generated nutrition content, label dietary data, and check food information for accuracy and safety. This remote, eight-week contractor assignment needs nutrition or dietetics expertise and takes 20+ hours per week.
Posted Oct 14, 2026
Review and improve AI prompts and responses across vehicle dynamics, powertrain, controls, embedded systems, ADAS, and manufacturing. This worldwide contract pays $40 per hour for less than 20 hours per week.
Posted Oct 1, 2025
Review radiographic, ultrasonic, magnetic particle, and penetrant inspection data to help train AI systems. This remote, part-time contractor role pays $60 per hour and requires NDT Level II or III certification plus eight years of experience.
Posted Sep 30, 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
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
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
