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 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
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
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
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 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 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
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
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
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 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, 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
Review psychology-focused AI content for accuracy, safety, clarity, and ethical care. This remote US contractor role offers up to $80/hour, flexible availability, and work supporting trainers and quality teams.
Posted Jul 9, 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
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 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
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 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
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
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
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
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
Create original biology research problems that require serious reasoning and Python-based verification. This worldwide, part-time contract pays $15-$60 per hour and suits professionals with a relevant degree.
Posted Mar 29, 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
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
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 biological workflows, datasets, and analysis methods used to benchmark AI systems. This contract, part-time role pays $45 to $90 per hour and requires deep biology or bioinformatics expertise.
Posted Oct 16, 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
Review psychological case studies, assessments, and AI-generated content in Vietnamese and English for $100 to $200 per hour. Apply your psychology expertise to AI training through OpenTrain.
Posted Oct 2, 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
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
Review psychological case studies, assessments, and AI-generated content in Cantonese and English. This remote contractor role pays $100 to $200 per hour.
Posted Oct 3, 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
Execute structured sequence-analysis and molecular-biology workflows in UGENE for a remote AI training project. Work with supplied files, produce documented outputs, and contribute 20+ hours weekly for about five weeks.
Posted Oct 14, 2026
Review AI-generated psychological content, case studies, and assessments in Japanese and English for $100 to $200 per hour. A psychology PhD and professional bilingual fluency are required, and applications start through OpenTrain.
Posted Sep 29, 2026
Design rigorous bioinformatics and computational genomics tasks that test whether AI models can analyze data, write code, and produce verifiable scientific results. This remote five-week contractor assignment pays $150 per approved task.
Posted Oct 7, 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 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
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 psychological content, case studies, assessments, and conversations using mental health expertise. The role pays $100 to $200 per hour and requires advanced English plus professional fluency in at least one listed language.
Posted Sep 15, 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
Analyze behavioral cues in text, audio, and video, create detailed annotations, and evaluate AI-generated responses. This part-time contractor role pays $20 to $70 per hour and is open across several regions.
Posted Sep 15, 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
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
Create and evaluate psychiatric case studies, assessments, and AI-generated mental health content in Japanese and English. This remote, part-time contractor role pays $100 to $200 per hour.
Posted Sep 30, 2026
Review AI-generated medical communications for scientific accuracy, compliance, fair balance, and audience fit. This part-time contract pays $50 to $80 per hour.
Posted Sep 21, 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
Design difficult genomics and bioinformatics tasks, reference solutions, and objective graders for AI agents in a five-week remote contractor assignment paying $260 per approved task.
Posted Oct 8, 2026
Review mental health AI outputs, create culturally informed psychiatric case studies, and write bilingual documentation. This contract, part-time role pays $100 to $200 per hour.
Posted Oct 2, 2026
Review psychological case studies, assessments, and AI-generated content in Georgian and English for $100 to $200 per hour as a part-time contractor. Apply through OpenTrain, then complete the hiring-site application.
Posted Sep 30, 2026
Use psychiatric expertise and fluent Cantonese and English to create case studies, assess AI outputs, and review mental health evaluation methods. This remote contract pays $100 to $200 per hour.
Posted Oct 3, 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
Review nutrition cases, dietary assessments, meal plans, and recommendations to help improve AI systems. This remote contract role pays $50 to $100 per hour and is open to candidates in the United States and Canada.
Posted Sep 16, 2026
Review and improve AI-generated nursing and clinical-care responses for safety, accuracy, and clear reasoning. This remote contractor role pays $40 to $65 per hour and requires an active nursing qualification.
Posted Jul 9, 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
Review and refine software engineering presentations for AI training, including technical content, architecture diagrams, data visualizations, and storytelling flow. This part-time contract role pays $150 to $350 per hour.
Posted Sep 25, 2026
Evaluate psychiatric case studies, assessments, and clinical documentation to improve AI systems. Use Georgian and English in a remote, part-time contractor role paying $100 to $200 per hour.
Posted Sep 30, 2026
Review Norwegian AI-generated content, write reference answers, and compare model responses for accuracy, fluency, tone, and cultural fit. This part-time contract pays $55 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Help evaluate how AI systems handle real medical problems by creating clinical scenarios and assessment methods. This remote, flexible contract is for a currently practicing, licensed physician.
Posted Jul 25, 2026
Help evaluate how AI systems handle real clinical problems by creating medical scenarios, testing clinical reasoning, and judging model performance. This remote freelance role requires an actively practicing licensed physician and offers flexible scheduling for 20+ hours per week.
Posted Aug 3, 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
Design difficult computational genomics tasks, datasets, reference solutions, and grading criteria for AI evaluation. This remote contractor assignment lasts 5 weeks, pays $260 per approved task, and requires 20+ hours per week.
Posted Sep 22, 2026
Build and evaluate advanced self-hosted n8n workflows for AI training, integrations, scraping, and automation. This global contract pays $15-$45 per hour and requires 20+ hours each week.
Posted Mar 29, 2026
Transcribe and review Norwegian audio and video, classify speech segments, and flag unclear recordings for AI training. This remote, part-time contractor role pays $20 to $30 per hour.
Posted Oct 7, 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 code, simulations, circuit designs, automated tests, and technical AI evaluation tasks while guiding a pod of 5 to 10 trainers. This four-week contractor assignment requires advanced technical experience, Linux skills, and at least 20 hours per week.
Posted Oct 9, 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
Review AI-generated biomedical engineering content and trainer QA work for calculations, safety, standards, and rubric accuracy. This remote US contractor role pays $105 per hour and requires 20+ hours weekly.
Posted Jul 8, 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
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
Review Norwegian AI-generated content and trainer QA work for accuracy, tone, grammar, and cultural fit. This Norway-based contract role pays $60 per hour and requires 20+ hours each week.
Posted Jul 9, 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
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 AI-generated React Native code, write reference implementations, and assess mobile solutions for correctness, security, performance, and clarity. This contractor role pays $60-$100 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Review AI-generated medical responses for clinical accuracy, reasoning, completeness, and patient safety. This worldwide contractor role pays $100 per hour and requires an actively licensed nurse practitioner or medical doctor.
Posted Oct 8, 2026
Earn $50 to $80 per hour as a Clinical Publications AI Evaluation Author reviewing AI-generated medical writing, checking claims against clinical sources, and writing structured feedback.
Posted Sep 18, 2026
Create and record realistic Jupyter Notebook workflows that help train advanced AI models. This remote contractor role pays $20 per hour and requires 20 or more hours each week from contributors in Bangladesh, India, or Pakistan.
Posted Aug 27, 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
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
Review AI-generated biomedical engineering content for accuracy, safety, sound reasoning, and regulatory awareness. This contractor role pays $40-$100 per hour and requires 20+ hours weekly.
Posted Jul 8, 2026
Review and improve AI-generated clinical research content for $40-$70 per hour. Use your expertise in study design, statistics, evidence appraisal, and scientific writing in a flexible remote contractor role.
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
Review AI-generated data science work, code, models, and QA processes in a remote US contractor role paying up to $110/hour. Work 20+ hours weekly and apply in English through OpenTrain.
Posted Jul 8, 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
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 React and Next.js code, write reference solutions, and rate technical responses. This remote contractor role pays $60 to $90 per hour and requires 20+ hours weekly from candidates in the US, Germany, or India.
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
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
Lead large software engineering AI training programs, improve coding data quality and delivery, and guide distributed contributor teams. This worldwide contract role requires 20+ hours per week and fluency in English.
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
Design difficult, realistic data science problems for AI training and evaluation. This part-time contract pays $50 per hour and requires advanced Python, SQL, statistics, machine learning, and technical writing skills.
Posted Dec 3, 2025
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 complex dermatology cases, resolve clinical disagreements, and help evaluate AI model outputs in a remote four-week contractor role. Compensation is paid per task, with an expected workload of 20 or more hours per week.
Posted Sep 24, 2026
