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 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
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 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
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 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
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
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
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
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
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
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
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
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 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 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
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
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 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
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
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
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 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
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
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
Use advanced mechanical design and CAD expertise to create technical questions, verify answers, and evaluate AI-generated reasoning. This remote contractor role requires about 15 hours per week and pays $40 to $90 per hour.
Posted Oct 2, 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-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
Work remotely on AI training projects that use mechanical design expertise. Create CAD models, interpret drawings, and improve manufacturing documentation for $40 to $80 per hour.
Posted Sep 25, 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
Review and improve AI-generated clinical responses for accuracy, safety, diagnosis, treatment planning, and medical reasoning. This contractor role pays $150 per hour and requires 20+ hours per week.
Posted Jul 9, 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 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
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
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
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 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 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
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
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
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
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 PCB files, assemblies, wire harnesses, semiconductor packages, and inspection results as an electronics quality expert helping create better AI training data. This remote, part-time contractor role pays $60 per hour.
Posted Sep 30, 2026
Lead quality review for medical AI outputs, including diagnoses, treatment summaries, and patient-facing responses. Earn $95 per hour as a US-based contractor working 20 or more hours each week.
Posted Jul 9, 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
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 and rank AI-generated medical answers for accuracy, clinical reasoning, and patient safety. This remote contractor role pays $90 per hour and requires strong healthcare expertise and C1 English.
Posted Jul 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
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 and improve AI-generated electrical engineering answers, calculations, and explanations. This contract role pays $40 to $100 per hour and requires 20+ hours each week.
Posted Jul 8, 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 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
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
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 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 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 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
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
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 diagnoses, treatment plans, and medical case summaries for accuracy, safety, and completeness. This remote contractor assignment requires US medical licensure, active practice, and at least 20 hours per week for 12 weeks.
Posted Oct 10, 2026
Review clinical cases and AI-generated medical content for healthcare AI at $125 per hour. This remote, part-time contract role requires Korean and English fluency plus medical practice experience.
Posted Oct 14, 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
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
Review FreeCAD-format mechanical assemblies and create precise question-and-answer sets for AI training. This part-time contractor role pays $40 to $80 per hour and requires strong mechanical CAD knowledge.
Posted Sep 11, 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
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 and evaluate realistic coding-agent tasks using production-like repositories, tests, evaluators, and scoring rubrics. This contract role is open worldwide, requires English fluency and 20+ hours per week, and calls for deep software engineering experience.
Posted Oct 7, 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
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
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
Create realistic KiCad schematic and PCB design tasks, record complete computer workflows, and document each project clearly. This remote contractor role offers up to $20 per hour for applicants in Bangladesh, India, and Pakistan.
Posted Sep 5, 2026
Review clinical materials, patient cases, and AI model outputs for medical quality and consistency. This part-time contract pays $125 per hour and requires fluent Japanese and advanced English.
Posted Oct 14, 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
Review inpatient records and clinical notes as a hospital medicine physician AI trainer. Pay is $80 to $125 per hour equivalent, paid per task that meets the project specifications.
Posted Oct 13, 2026
Use FreeCAD expertise to create realistic CAD tasks, record demonstrations, and evaluate computer-use AI systems. This remote contractor role offers flexible hours and $25 to $30 per hour.
Posted Aug 19, 2026
Review AI-generated dermatology content and medical images for accuracy, safety, and diagnostic usefulness while helping improve responsible healthcare AI.
Posted Sep 2, 2026
Use professional healthcare expertise to write difficult clinical questions, evaluate AI responses, and design detailed safety-focused rubrics. This remote U.S. contractor role pays up to $100 per hour and requires at least three years of experience.
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 inpatient records, assess AI-generated coding and clinical documentation, and provide feedback using ICD-10-CM and ICD-10-PCS standards. This remote U.S. contractor role pays $50 to $70 per hour and requires at least 10 hours per week.
Posted Oct 20, 2026
Review AI-generated software engineering answers for accuracy, feasibility, and production quality. This US-based contract role pays $120 per hour and offers 20 or more flexible hours each week.
Posted Sep 30, 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
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 and rank AI-generated radiology responses, write expert imaging content, and assess clinical safety. This contractor role pays $50-$120 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Create, review, and validate coding-heavy machine-learning tasks involving models, training systems, inference, and performance optimization. Pay is $60 to $120 per hour equivalent, paid per task that meets project specifications, with about 15 flexible hours per week.
Posted Oct 16, 2026
Create and review complex parametric CAD assemblies for AI training, explaining design intent, mating strategies, tolerances, and manufacturability. This remote, part-time contractor role pays $40 to $90 per hour.
Posted Oct 2, 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
Create backend coding tasks and deterministic verifiers for AI systems. This remote contractor role offers flexible scheduling for about 15 hours per week, with $30 to $100 per hour equivalent, paid per task that meets project specifications.
Posted Sep 20, 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
Build coding tasks, reference solutions, and verifiers that test AI software engineering systems. This remote contractor role pays $50 to $100 per hour equivalent, paid per task that meets the project specifications.
Posted Oct 14, 2026
Review inpatient clinical documentation and AI model outputs using clear medical guidelines. This remote contractor role pays $80 to $125 per hour and offers flexible weekly hours for 1 to 3 months.
Posted Oct 16, 2026
Review adult inpatient records and clinical documentation to evaluate AI-generated medical reasoning. This part-time contractor role pays $80 to $115 per hour and requires hospitalist-level internal medicine expertise.
Posted Oct 12, 2026
Review inpatient clinical records, assign ICD-10-CM and ICD-10-PCS codes, validate MS-DRG data, and help improve AI understanding of medical coding. This remote contract role pays $50-$70 per hour and is open to candidates in the United States.
Posted Oct 8, 2026
Design realistic coding-agent benchmark tasks using production-like software, security tests, and evaluation tools. This remote contractor role requires strong Python skills, deep software engineering experience, and at least 20 hours per week.
Posted Oct 9, 2026
Review adult inpatient medical records and clinical documentation for AI training. This remote contractor role pays $80 to $125 per hour equivalent, paid per task that meets project specifications.
Posted Oct 13, 2026
Review multi-part FreeCAD assemblies and write precise technical questions with exact answers. This remote contract role pays $40 to $80 per hour and requires CAD and industrial design, mechanical engineering, or aerospace knowledge.
Posted Sep 11, 2026
Review inpatient records, coding decisions, and AI-generated clinical content against ICD-10-CM, ICD-10-PCS, and inpatient standards. This remote U.S. contractor role pays $50 to $70 per hour and expects 10 to less than 20 hours per week.
Posted Oct 21, 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
Evaluate AI models on complex software engineering problems by building coding environments, reference solutions, and expert reviews. Pay is $50 to $100 per hour equivalent, paid per task that meets the project specifications.
Posted Sep 7, 2026
