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 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 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, 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
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 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
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 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
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
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
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 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, 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
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
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
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
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
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 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
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 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
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 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
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
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
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
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 computational chemistry workflows, simulation outputs, and scientific software for AI benchmarking. This remote contractor role pays $45 to $90 per hour and requires a PhD or equivalent experience.
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 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
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
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
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 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
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
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
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
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 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
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
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
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
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
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
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
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, 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 sperm detection and motility labels in reconstructed microscopy videos for an AI-assisted semen analyzer. This contractor role pays $6-$14 per hour and requires at least two years of hands-on semen analysis experience.
Posted Oct 19, 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
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
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
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
Evaluate chatbot responses against business requirements for accounting and finance applications. This remote, 16-week freelance project requires 20+ hours weekly across five working days, with two weekdays off.
Posted Oct 15, 2026
