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.
Lead AI training reviews for computational materials science, evaluating simulations, scientific code, and model outputs. The role requires advanced materials expertise, programming skills, and at least 40 hours per week with PST overlap.
Posted Oct 23, 2026
Create and review difficult materials science problems for AI training, with clear solutions and grading criteria. This fully remote contractor role pays $85 to $185 per hour and offers flexible part-time work.
Posted Oct 31, 2026
Review and improve AI-generated materials science answers across metals, polymers, ceramics, composites, and more. This remote contract role pays $30 to $95 per hour and requires 20 or more hours each week.
Posted Sep 11, 2026
Lead a pod of technical trainers creating and reviewing terminal-based materials science tasks for AI training. This four-week contractor assignment requires advanced scientific expertise, programming skills, and at least 40 hours per week.
Posted Oct 23, 2026
Lead a pod of 5 to 10 technical trainers creating and reviewing terminal-based computational materials science tasks for AI evaluation. This remote contractor assignment lasts four weeks and requires advanced materials expertise, programming, and Linux skills.
Posted Oct 23, 2026
Review metallurgical evidence, welds, coatings, heat treatments, and additive manufacturing builds for AI training. This remote contract pays $40 to $60 per hour and requires fluent English plus eight years of relevant inspection experience.
Posted Sep 30, 2026
Create and assess difficult semiconductor engineering problems for AI training, with $85 to $185 per hour for experienced technical judgment. Work remotely as a flexible contractor and apply through OpenTrain.
Posted Oct 31, 2026
Design and solve advanced physics problems that test large language models, write clear step-by-step solutions, and give detailed feedback. This remote contractor assignment is open worldwide and requires 20+ hours per week.
Posted Jul 17, 2026
Evaluate chemistry and computational chemistry problems, workflows, data, and AI reasoning for benchmarking projects. This contractor role pays $45 to $90 per hour and requires a relevant PhD plus strong scientific expertise.
Posted Oct 16, 2026
Create and solve advanced physics problems to test large language models, write detailed solutions, and help build new evaluation benchmarks. This worldwide contractor role requires strong physics knowledge, clear English communication, and 20+ hours each week.
Posted Jul 17, 2026
Lead a pod of chemical engineering trainers who build and evaluate terminal-based tasks for AI systems. Review simulations, engineering calculations, automated graders, and technical quality across a four-week contractor assignment.
Posted Oct 9, 2026
Lead reviews of AI-generated mechanical and aerospace engineering simulations, source materials, and technical outputs. The role requires advanced engineering expertise, programming skills, and at least 40 hours per week with PST overlap.
Posted Oct 9, 2026
Review AI-generated chemistry explanations, calculations, and reaction logic for accuracy, clarity, and safety. This US-based, part-time contract role pays $75 per hour and requires 20+ hours weekly.
Posted Jul 8, 2026
Create, solve, and explain advanced chemistry problems for AI training. This remote contractor role covers postgraduate chemistry, detailed annotation, visual explanations, and constructive feedback.
Posted Jul 17, 2026
Review and improve AI-generated content about marine geology, core logging, and sedimentology. This remote, part-time contractor role pays $40 to $100 per hour and requires advanced expertise.
Posted Oct 29, 2026
Provide rigorous solutions to advanced physics problems for AI training, with clear derivations, computational checks, and research-quality documentation. This remote contractor project pays $100 to $200 per hour and typically needs 10 to 15 or more hours weekly for 8 to 10 weeks.
Posted Sep 8, 2026
Lead remote AI training work built around mechanical design, CAD/CAE, simulation, testing, and failure analysis. Create verifiable engineering problems and evaluate AI systems against real physical criteria.
Posted Oct 16, 2026
Use your mechanical design, CAD, GD&T, and manufacturing knowledge to create and review engineering content for AI training. This remote contractor role pays $40 to $80 per hour, with applications starting through OpenTrain.
Posted Sep 25, 2026
Apply advanced physics expertise to evaluate AI training data involving statistical physics, quantum information, condensed matter theory, and numerical simulations. This fully remote contractor role pays $100 to $200 per hour for a flexible part-time schedule.
Posted Sep 8, 2026
Create and review difficult engineering and physical science problems used to evaluate AI systems. This flexible remote contractor role pays $85 to $185 per hour and is open to experienced technical experts worldwide across listed countries.
Posted Oct 31, 2026
Evaluate AI-generated mechanical engineering work, create realistic technical problems, and give structured feedback. This flexible U.S. contract role pays $100 per hour and involves at least 20 hours per week.
Posted Sep 25, 2026
Use advanced AMO physics expertise to evaluate AI reasoning about atomic structure, polarizability, ytterbium isotopes, and optical transitions. This part-time contract role pays $100 to $200 per hour and requires less than 20 hours per week.
Posted Sep 12, 2026
Lead quality reviews for AI-generated physics content, checking calculations, formulas, units, reasoning, and scientific accuracy. This remote contractor role offers $20 to $75 per hour and requires 20 or more hours each week.
Posted Jul 9, 2026
Create and review advanced math questions, logic problems, and written solutions used to train language models. This remote contract role requires strong English and 20+ hours per week.
Posted Jul 16, 2026
Review complex chemistry problems and AI-generated scientific solutions, apply evaluation rubrics, and explain whether conclusions are scientifically sound. This US-based role requires advanced chemistry expertise and academic research experience.
Posted Oct 14, 2026
Lead quality reviews for AI evaluation tasks involving civil and structural engineering, simulations, models, and automated graders. This remote four-week contractor assignment requires 20+ hours per week, advanced engineering expertise, programming, and Linux skills.
Posted Oct 9, 2026
Create and edit 2D and 3D SolveSpace models, build parametric sketches, and explain CAD workflows used to improve AI systems. This remote contractor role pays $63 to $122 per hour.
Posted Oct 30, 2026
Investigate open problems in computer science and computational physics using AI models, proof attempts, algorithms, and simulations. Pay is $100 to $400 per hour, with flexible part-time or full-time contract work.
Posted Oct 13, 2026
Create expert STEM questions, design detailed scoring rubrics, and evaluate AI-generated solutions for correctness and reasoning quality. This remote contractor role pays $100 per hour and requires 20+ hours per week.
Posted Sep 30, 2026
Create realistic mechanical engineering problem sets and verify reproducible Python solutions using NumPy, Pandas, and SciPy. This part-time contract role pays $15 to $50 per hour.
Posted Mar 29, 2026
Review AI-generated chemistry answers for scientific accuracy, chemical validity, and sound reasoning. This fully remote U.S. contract role pays up to $150 per hour and requires graduate-level chemistry expertise.
Posted Sep 25, 2026
Lead a pod of 5 to 10 technical trainers creating and evaluating terminal-based mechanical and aerospace engineering tasks. This remote contractor project lasts about four weeks and requires at least 40 hours each week, including Pacific Time overlap.
Posted Oct 16, 2026
Create, solve, review, and validate mechanical engineering tasks for AI training using Python, simulation, and coding-agent workflows. This remote contractor role offers flexible scheduling of about 15 hours per week at $60 to $120 per hour equivalent, paid per task that meets the project specificat
Posted Oct 16, 2026
Create research-level computational chemistry problems, verified solutions, and Python-based validation workflows. This part-time contractor role pays $15 to $60 per hour based on task complexity and expertise.
Posted Mar 29, 2026
Review AI-generated engineering work using aerospace, mechanical, and electrical simulation expertise. This worldwide contractor role requires 20 to 40 hours weekly, 4 hours of Pacific Time overlap, and 10+ years of experience.
Posted Oct 9, 2026
Use advanced physics knowledge to write rigorous questions and evaluate AI-generated answers for accuracy, sound reasoning, and physical validity. This remote contract role pays $75 per hour and offers flexible participation for candidates in the United States.
Posted Sep 25, 2026
Create and review complex parametric CAD assemblies, explain design decisions, and help train AI systems. This remote contract role pays $40 to $90 per hour and requires less than 20 hours per week.
Posted Oct 2, 2026
Review AI-generated elementary science lessons, activities, quizzes, and explanations for accuracy, safety, clarity, and grade-level fit. This remote India-based contractor role pays up to $10 per hour and requires 20+ hours per week.
Posted Aug 29, 2026
Create challenging computational physics problems based on real research workflows, then write clear, reproducible Python solutions. This global, part-time contract role pays $15 to $60 per hour depending on project scope and complexity.
Posted Mar 29, 2026
Evaluate AI answers about chemical safety, toxicology, process safety, and chemical security. Review risks, rank responses, and write safer answers for USD $70 to $100 per hour with 20+ hours per week.
Posted Sep 16, 2026
Review complex dermatology cases, resolve clinical disagreements, and evaluate AI model outputs in a remote, asynchronous contract. The role requires senior dermatology credentials, active US licensure, and strong clinical writing.
Posted Oct 14, 2026
Work remotely as a Hardware Expert creating, solving, and evaluating rigorous engineering challenges for AI training. Pay is $60 to $120 per hour equivalent, paid per task that meets the project specifications.
Posted Oct 16, 2026
Create and edit CATIA models, assemblies, surfaces, and engineering drawings while explaining your design workflow for AI training. This remote contractor role pays $63 to $122 per hour and is open to candidates in listed countries.
Posted Oct 30, 2026
Build multi-step agentic systems for LLM evaluation and math-focused software engineering datasets in a one-month remote contractor assignment. Pay is $30 per approved task, with applications starting on OpenTrain.
Posted Oct 27, 2026
Review geology and earth science content for accuracy, reasoning, and context while guiding remote AI training teams. This US-based contractor role pays $70 per hour and requires 20+ hours weekly.
Posted Jul 8, 2026
Design realistic, multi-step computational life sciences tasks that test AI agents using scientific data, Python, troubleshooting, and verifiable results. This remote five-week contractor assignment pays $280 per approved task.
Posted Oct 31, 2026
Review AI-generated scientific answers and create reference materials covering microbiome, metagenomics, and clinical bioinformatics. This remote contractor role pays $45-$90 per hour with flexible scheduling.
Posted Oct 15, 2026
Review AI-generated explanations and contributor work across biology and environmental science. This remote contract role offers $20 per hour, 20+ hours per week, and applications through OpenTrain.
Posted Aug 29, 2026
Review and rate AI-generated content about chemical, biological, radiological, and nuclear safety. This remote contract role requires professional English, CBRN knowledge, and 20+ hours per week, with rates of $60 to $100 per hour.
Posted Sep 12, 2026
Use your FDA law and life sciences experience to review compliance materials, assess regulatory risk, and improve legal examples for AI training. Pay is $140 to $400 per hour.
Posted Oct 22, 2026
Review and improve executive presentations, charts, and analytical reports as a Data Science Specialist. The contract role pays $150 to $350 per hour and is open to candidates in Canada, the United Kingdom, and the United States.
Posted Oct 30, 2026
Review dermatology cases and AI model outputs as a remote clinical domain expert. The title names earth science, while the supplied duties focus on dermatology, so review the duties and qualifications before applying.
Posted Oct 30, 2026
Use advanced life sciences knowledge to write, review, and improve scientific reasoning tasks for AI systems. The role requires strong research experience, scientific writing, and at least 8 hours per day with four hours of PST overlap.
Posted Oct 10, 2026
Review complex dermatology cases, help build clinical evaluation frameworks, and assess AI model outputs remotely. This US contractor role requires academic dermatology credentials and professional English fluency.
Posted Oct 8, 2026
Evaluate and attack AI models and agents to find safety risks and security flaws. This flexible remote contract pays $40 per hour for less than 20 hours per week.
Posted Nov 17, 2025
Lead quality review for AI-generated education and social science content from India. The remote contractor role pays $20 per hour, requires 20+ hours weekly, and needs strong English communication plus three years of relevant experience.
Posted Aug 29, 2026
Review AI-generated Swift and iOS code for correctness, performance, maintainability, and UI logic. This remote part-time contract pays $55 per hour for about 20 hours weekly over 1 to 3 months.
Posted Jul 9, 2026
Review political science AI content, trainer work, and QA standards as a remote Quality Assurance Lead. This part-time US contractor role offers flexible scheduling and pay up to $70 per hour.
Posted Jul 9, 2026
Review AI-generated neuroscience and cognitive science content, assess trainer and QA work, and improve scientific data quality for AI models. This US-based contractor role pays $90 per hour and requires 20+ hours per week.
Posted Jul 9, 2026
Review AI-generated TypeScript code and explanations, apply detailed rubrics, and give clear feedback. This remote contractor role pays $60 per hour and requires 20+ hours per week.
Posted Jul 9, 2026
Create realistic Postman API testing workflows, record each process, and review the results for accuracy and safety. This remote contract role pays $20 per hour and requires 20 or more hours each week.
Posted Aug 27, 2026
Review biomedical publications and evaluate AI-generated scientific content for accuracy, ethics, and publication standards. This remote contract role pays $50 to $80 per hour and is open to English-language writers in eligible countries.
Posted Sep 18, 2026
Review AI-generated anthropology content for accuracy, cultural sensitivity, and research quality at $65 per hour. This U.S.-based contract role requires 20+ hours each week and strong anthropology expertise.
Posted Jul 8, 2026
Review AI-generated data science content, code, models, and QA work as a remote Data Scientist Team Lead. This US contractor role pays $110 per hour and requires 20+ hours per week.
Posted Jul 8, 2026
Create and record realistic NetBeans and Java software development workflows, including project setup, debugging, testing, and build troubleshooting. This remote contractor role pays $20 per hour and requires 20 or more hours per week.
Posted Sep 5, 2026
Review AI-generated intelligence assessments and government security scenarios for accuracy, source credibility, reasoning, and realism. This remote contractor project pays $50 to $100 per hour.
Posted Oct 28, 2026
Review AI-generated SQL, database explanations, and data-modeling work for accuracy, performance, security, and clear reasoning. This remote US contractor role pays up to $70 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Review AI-generated philosophy content and contributor work as a remote contractor earning up to $65 per hour. You will guide quality standards, give written feedback, and help improve review workflows for 20+ hours each week.
Posted Jul 9, 2026
Use your business data and quality assurance experience to evaluate AI responses, validate analytical results, and improve standards for business analysis tasks. This part-time remote contractor role pays $50 to $60 per hour in the United States.
Posted Oct 8, 2026
Review AI-generated astronomy and astrophysics content for scientific accuracy, clear reasoning, correct calculations, and rubric compliance at $110 per hour in the United States.
Posted Jul 8, 2026
Review AI-generated C++ code, tests, debugging responses, and trainer QA work for correctness, safety, performance, and rubric compliance. This remote U.S. contract pays $75 per hour for about 20 hours each week.
Posted Jul 8, 2026
Review AI-generated C++ code, systems designs, and technical explanations for accuracy, safety, and performance. This remote contractor role pays $65 per hour for 20+ hours weekly, with applications starting on OpenTrain.
Posted Jul 8, 2026
Lead quality review for Dart and Flutter training work, giving precise feedback on code, tests, debugging responses, and technical guidelines. This remote U.S. contractor role offers up to $65 per hour for 20+ hours each week.
Posted Jul 8, 2026
Review AI-generated code, systems, networking, database, and security content against detailed quality standards. This remote contractor role is open to candidates in India and pays $20 per hour.
Posted Aug 29, 2026
Use your C# and .NET expertise to write, review, and improve AI-generated technical responses. This remote contractor role pays $35 to $65 per hour, requires 20+ hours weekly, and includes future project opportunities.
Posted Jul 8, 2026
Review psychology-focused AI content and trainer work for accuracy, safety, clarity, and rubric compliance. This remote US contractor role offers flexible availability and pay up to $80 per hour, with applications starting through OpenTrain.
Posted Jul 9, 2026
Review AI-generated C code and trainer QA work as a remote C Team Lead in the United States. Work 20+ hours per week as a contractor and earn up to $75 per hour.
Posted Jul 8, 2026
Evaluate AI model outputs, write expert prompts and reference solutions, and flag statistical or methodological errors. This remote contractor role pays $245 to $280 per hour and is open to professionals in English-speaking countries.
Posted Aug 27, 2026
Review AI-generated Java code, architecture, and technical explanations for $55 per hour with a 20+ hour weekly commitment. Use your senior Java expertise to rate answers, write reference implementations, and provide structured feedback.
Posted Jul 9, 2026
Earn $65 per hour reviewing AI-generated R code, statistics, visualizations, and data workflows. This remote United States contract requires 20+ hours per week and strong R and English skills.
Posted Jul 9, 2026
Create and record realistic Java or Kotlin coding workflows in IntelliJ IDEA for AI training. This remote contractor role pays up to $25 per hour and requires 20 or more hours each week.
Posted Aug 28, 2026
Review Turkish AI personalization responses, write evidence-based judgments, and create multi-turn prompts. The role pays $15 per hour and offers 20+ weekly hours with four hours of PST overlap.
Posted Jul 16, 2026
Review AI-generated PHP code and trainer QA work for correctness, security, and rubric compliance at $70 per hour. This remote U.S. contractor role requires 20+ hours weekly and strong PHP 8+ expertise.
Posted Jul 9, 2026
Review AI-generated Bash code and trainer QA work for safety, portability, debugging accuracy, and rubric compliance. This remote U.S. contractor role pays up to $65 per hour for about 20 hours weekly.
Posted Jul 8, 2026
Create competitive programming problems, reference solutions, test suites, and C++ checkers that evaluate AI coding systems. Pay is $45 to $65 per hour equivalent, paid per task that meets the project specifications.
Posted Sep 16, 2026
Review and improve Python code used to train AI systems. This remote US contractor role pays $70 per hour and requires 20+ hours weekly, strong Python skills, and at least three years of relevant experience.
Posted Jul 9, 2026
