Audio and Video Annotator
Compare short audio and video clips, then choose the option that best matches each query. This entry-level role is open worldwide, requires English proficiency, headphones, and 20+ hours per week.
Posted Oct 17, 2026
Find remote AI training and data labeling jobs open to applicants in China.
Compare short audio and video clips, then choose the option that best matches each query. This entry-level role is open worldwide, requires English proficiency, headphones, and 20+ hours per week.
Posted Oct 17, 2026
Review nutrition and dietary data for AI systems by checking food details, dietary patterns, and nutrition content for accuracy, safety, and relevance. This flexible contract role requires biology or a related background and 20+ hours per week.
Posted Oct 17, 2026
Evaluate AI-generated nutrition content and label dietary data for models used in nutrition tracking, coaching, and research. This remote, eight-week contractor assignment is open worldwide, requires English fluency, and needs 20+ hours per week.
Posted Oct 17, 2026
Lead a pod of technical trainers creating and reviewing realistic mechanical and aerospace engineering tasks for AI evaluation. This remote contractor assignment lasts about four weeks and requires strong simulation, programming, and technical review skills.
Posted Oct 16, 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
Review complex biology problems and AI-generated answers, assess evidence and methods, and document scientifically supported decisions. The role is open worldwide, requires professional fluency in English, and offers part-time work of 20 or more hours per week.
Posted Oct 16, 2026
Evaluate chatbot responses against business requirements and defined criteria for accounting and finance applications. This remote, 16-week project requires 20+ hours weekly across five working days.
Posted Oct 15, 2026
Manage contributor capacity, resource planning, tracking systems, and chatbot evaluation across AI training projects. This remote, project-based freelance engagement runs for 16 weeks and requires 20 or more hours per week.
Posted Oct 15, 2026
Review computer-using AI agent responses, research claims, solve reasoning tasks, and write clear feedback. This worldwide, part-time contract role requires strong English and offers 20+ hours per week.
Posted Oct 15, 2026
Review, debug, and improve AI-generated code while evaluating technical explanations in your language of expertise. This remote contractor assignment requires 20+ hours weekly for four weeks and includes Pacific Time overlap.
Posted Oct 14, 2026
Work remotely for eight weeks, 20 or more hours per week, reviewing nutrition AI outputs and labeling food and dietary data. Nutrition, dietetics, or food science experience is required, and applications begin through OpenTrain.
Posted Oct 14, 2026
Lead a pod of 5 to 10 technical trainers creating and reviewing terminal-based coding, systems, simulation, and electrical engineering tasks for AI evaluation. The contract role is worldwide, requires 20+ hours weekly, and calls for advanced technical experience.
Posted Oct 14, 2026
Lead QA teams reviewing chatbot comparisons and final AI assessments in a remote, 16-week freelance role. Work five days a week, including weekends as needed, with two weekdays off.
Posted Oct 14, 2026
Review chatbot responses against business requirements, document findings, and support testing and workflow improvements in a 16-week remote project. The role covers 20+ hours across five working days each week.
Posted Oct 14, 2026
Coordinate AI training contributors, workforce data, onboarding, and chatbot evaluations in a remote, 16-week freelance role. Work five days per week, including weekends as needed, from 7:00 a.m. to 4:00 p.m. Pacific Time.
Posted Oct 13, 2026
Lead quality decisions for AI annotation and chatbot evaluation projects. This fully remote, project-based role involves calibration, audits, reviewer mentoring, and improving guidelines for consistent results.
Posted Oct 13, 2026
Lead quality strategy for AI chatbot evaluation work, including audits, team leadership, calibration, and corrective actions. This project runs 16 weeks with weekday coverage, weekends as needed, and two weekdays off.
Posted Oct 13, 2026
Review AI chatbot responses, apply detailed evaluation rules, and explain your judgments clearly. This worldwide, part-time role requires 20+ hours per week across five working days, with weekends as needed and two weekdays off.
Posted Oct 13, 2026
Create challenging prompts and evaluate large language model responses for accuracy, reasoning, relevance, and quality. Use Python and business analysis expertise in a flexible contract role requiring 20+ hours each week.
Posted Oct 13, 2026
Evaluate large language model responses using structured data, challenging prompts, and evidence-backed feedback. This remote contractor assignment lasts four weeks, with 20, 30, or 40 hours per week and at least four hours of Pacific Time overlap.
Posted Oct 13, 2026
Evaluate computer-using AI agents by checking their research, reasoning, actions, and written responses. This worldwide freelance role requires fluent English and at least 20 hours per week.
Posted Oct 13, 2026
Review and improve annotated video data against detailed project guidelines. This remote contract role offers flexible hours, requires 20+ hours weekly, and suits experienced video annotation professionals.
Posted Oct 10, 2026
Annotate video by drawing bounding boxes around objects, reviewing existing labels, and correcting errors. This worldwide contract role requires 3+ years of annotation experience, English fluency, and 20+ hours per week.
Posted Oct 10, 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
Build reproducible terminal-based AI tasks from Earth sciences research workflows. Use scientific programming, geospatial data, modeling, and automated evaluation in a remote contractor assignment.
Posted Oct 9, 2026
Lead a technical pod reviewing terminal-based scientific and engineering tasks for AI evaluation. The contract requires at least 40 hours per week, four hours of PST overlap, and advanced computer science or electrical engineering expertise.
Posted Oct 9, 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
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
Build agentic AI software and data applications using Python or Go, SQL, MCP tools, and AI coding assistants. This worldwide contract role expects 20+ hours per week and four to eight years of software engineering experience.
Posted Oct 9, 2026
AI training is human work that helps prepare and review examples used by artificial-intelligence systems. Depending on the individual role, data labeling may involve annotating images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge. The actual responsibilities vary by posting, so consult the live listing for the opportunity you are considering.
OpenTrain is the hiring organization for roles on OpenTrain that list China among their eligible applicant locations. Candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. Consult each individual live posting for all other details about the role and its requirements.