Looking for General Annotation jobs? This work can involve preparing and reviewing examples for artificial-intelligence systems through data labeling and annotation. Depending on the role, tasks may include reviewing images or video, transcribing or recording audio, rating model responses, or evaluating search results. OpenTrain is the hiring organization for roles on OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. Read each live posting for the exact responsibilities and requirements.
Use expert Figma and UI/UX skills to create interfaces, prototypes, and design systems while evaluating design quality for AI training. This remote US contract offers 20+ hours per week at $30 to $80 per hour.
Posted Aug 21, 2026
Use your professional eye for visual quality to evaluate product presentation for AI research. This remote contract role pays $80 to $180 per hour and is open to design professionals in the US, UK, and Canada.
Posted Aug 21, 2026
Create and validate precise parametric FreeCAD models that help train AI systems, using mechanical design, GD&T, and engineering judgment. This remote contractor role offers 20+ hours per week at $40 to $100 per hour.
Posted Aug 19, 2026
Use advanced mechanical CAD and manufacturing expertise to create, edit, and review parametric models for AI training data. This remote contractor role offers 20+ hours per week and pays $40 to $100 per hour.
Posted Aug 19, 2026
Use advanced parametric CAD, GD&T, and design-for-manufacturability expertise to create, revise, and audit mechanical models for an AI training project. This worldwide contractor role offers 20+ hours per week and pays $30 to $100 per hour.
Posted Aug 19, 2026
Use advanced parametric CAD and manufacturing expertise to create, review, and improve mechanical model training data for AI. This worldwide contractor role offers 20+ hours per week and pays $40-$100 per hour.
Posted Aug 19, 2026
Use advanced FreeCAD and mechanical engineering expertise to review parametric models, assemblies, and technical drawings that help train AI systems. This remote contractor role offers flexible part-time work at $40-$100 per hour.
Posted Aug 19, 2026
Use FreeCAD and real-world manufacturing expertise to create production-ready mechanical models, drawings, and assembly documentation for AI training. This remote contractor role offers approximately 15 to 20 hours per week at $40 to $100 per hour.
Posted Aug 19, 2026
Bring 5+ years of power electronics or PCB design experience to advanced AI training work. Design and evaluate power circuits, PCB layouts, and verification frameworks remotely for 20+ hours per week.
Posted Aug 18, 2026
Use your technical B2B sales expertise to qualify wholesale leads, communicate product value, and improve AI training workflows remotely. This contractor role pays $45 to $85 per hour and calls for 20 or more hours weekly.
Posted Aug 16, 2026
Use your 911, emergency, police, ambulance, or fire communications experience to help train AI on incident prioritization, routing, and escalation workflows. This remote contractor role offers flexible task-based work listed at $30-$55 per hour.
Posted Aug 14, 2026
Use your civil engineering expertise to author evaluation tasks, technical documents, complex problems, and rubrics for AI models. This worldwide contractor role offers flexible work at $50-$100 per hour.
Posted Aug 12, 2026
Use your mechanical engineering technology expertise to create technician workflow tasks, technical datasets, and grading rubrics for advanced AI benchmarks. This remote contractor role pays $30 to $70 per hour and requires less than 20 hours weekly.
Posted Aug 12, 2026
Use your mechanical design expertise to create CAD models, interpret technical drawings, and help train advanced AI systems. This remote contractor role offers flexible work under 20 hours per week at $55-$100 per hour.
Posted Aug 12, 2026
Use your supply chain expertise to help train next-generation AI systems through ERP workflows, demand forecasting, supplier scorecards, and inventory analysis. This remote freelance role offers 20+ hours per week and pays $55 to $100 per hour.
Posted Aug 12, 2026
Use professional emergency communications experience to evaluate and improve AI systems for high-stakes coordination. Work remotely as a contractor for 20+ hours weekly at $30 to $55 per hour.
Posted Aug 12, 2026
Apply your advanced statistical expertise to clean, analyze, visualize, and annotate complex datasets used to train next-generation AI systems. This flexible worldwide contract offers less than 20 hours per week and pays $60-$120 per hour.
Posted Aug 12, 2026
Create realistic Blender workflows and record expert demonstrations that help train and benchmark AI agents. This remote contract offers $18-$30 per hour and requires 20+ hours weekly.
Posted Aug 12, 2026
Use your CNC machining expertise to help train next-generation AI systems from anywhere. This flexible contract offers 20+ hours per week and pays $80 to $120 per hour.
Posted Aug 6, 2026
Support the future of AI by sourcing, interviewing, and evaluating skilled contributors for training projects. This remote contractor role offers $30 to $42 per hour and 20+ hours per week.
Posted Aug 3, 2026
Use your personal assistance and administrative expertise to help improve next-generation AI systems. Work remotely worldwide for $20-$34 per hour with a 20+ hour weekly commitment.
Posted Aug 3, 2026
Apply your expertise in condensed matter magnetism to specialized remote AI training work. Analyze magnetic structures, neutron scattering data, space groups, and magneto-optic signatures for 8 to 10 weeks at about 10 hours weekly.
Posted Aug 2, 2026
Use advanced chemistry expertise to improve next-generation AI through experimental analysis, clear documentation, and model-training insights. This flexible remote contract pays $70-$90 per hour for 20+ hours weekly.
Posted Aug 2, 2026
Use Revit and Navisworks to review BIM coordination materials, identify construction clashes, and document clear technical resolutions for AI model evaluation. This worldwide, part-time contractor role requires 20+ hours weekly.
Posted Jul 24, 2026
Manage the workflows, KPIs, reporting, and quality processes behind AI training data. This remote contractor role offers 20+ hours per week and pays $40 to $60 per hour.
Posted Jul 21, 2026
Use your operations, inventory, or capacity-planning expertise to evaluate AI-generated documents, spreadsheets, and presentations. This remote contract offers 20+ hours per week at $80-$120 per hour.
Posted Jul 10, 2026
Help train AI to understand complex PDF documents by labeling text, tables, forms, and figures. This part-time contractor role offers $3 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Review Korean OCR-processed documents for accurate bounding boxes, tables, reading order, classifications, and text. Earn $40 per hour on a part-time contract while helping improve AI document understanding.
Posted Jul 9, 2026
Design and launch high-converting ecommerce pages and brand storefronts with Shopify, Webflow, Squarespace, or WordPress. This flexible, part-time contract role pays $10 to $25 per hour and requires a strong portfolio.
Posted Mar 11, 2026
Review AI-extracted records from PDFs, emails, scanned files, and business documents. Correct fields, complete missing information, and flag ambiguity while working part time for $12 per hour.
Posted Mar 3, 2026
General annotation covers data-labeling and review work that does not clearly fit a narrower category. It can involve examining visual content, working with written or spoken material, judging AI-generated responses, or evaluating search results as part of preparing examples for artificial-intelligence systems. The exact work is defined by the individual posting, so inspect each live role for its responsibilities and requirements.
OpenTrain is the hiring organization for the roles on OpenTrain. Candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. Refer to each individual live posting for all other details about the role.
