Find remote AI training and data labeling jobs open to applicants in Costa Rica.
Create realistic small-business prompts, compare chatbot responses, and submit structured evaluations in English. This 16-week freelance project requires 20 or more hours each week.
Posted Sep 5, 2026
Create realistic ERP and enterprise software workflows that help test AI systems. This contract role suits professionals familiar with ERPNext, OpenEMR, Odoo, or related business systems.
Posted Sep 5, 2026
Review AI-generated real-estate tools using expertise in investment, property management, renovation budgets, and financial models. This remote contractor engagement requires 20 or more hours weekly and may last up to 10 weeks.
Posted Sep 5, 2026
Review robotic arm videos, identify actions and outcomes, and create structured annotations for AI training. This remote contractor role pays $50-$90 per hour and requires at least 20 hours per week.
Posted Sep 5, 2026
Use your SaaS revenue operations and CRM expertise to help train AI systems. Configure revenue tools, improve data quality, and document workflows for $40-$80 per hour with 20+ hours weekly.
Posted Sep 4, 2026
Use hands-on SaaS revenue operations experience to review CRM data, resolve policy conflicts, and design compliance-aware workflows for AI training. This contractor role pays $50-$100 per hour and requires 20+ hours each week.
Posted Sep 4, 2026
Collect natural third-person video of everyday activities in indoor, outdoor, and vehicle settings. Earn $20 per hour, work 20+ hours weekly, and use compatible camera equipment.
Posted Sep 4, 2026
Create personal-context prompts, compare AI responses, and explain issues such as unsupported claims or forced connections. This remote, entry-level contract role requires 20+ hours weekly and strong English writing.
Posted Sep 4, 2026
Use strength and conditioning expertise to evaluate fitness AI tools, check training logic, and build safeguards against unsafe recommendations. This contractor role runs up to 10 weeks, with 20+ hours per week and part-time flexibility.
Posted Sep 4, 2026
Review AI-generated CAD and manufacturing recommendations, build process evaluation rubrics, and give clear technical feedback. This remote contractor role pays $80-$150 per hour and requires 20+ hours per week.
Posted Sep 4, 2026
Record natural everyday activities from a stable third-person view to help train AI systems. Earn $20 per hour, work 20+ hours weekly, and use your own compatible action or 360-degree camera.
Posted Sep 3, 2026
Record everyday activities in indoor, outdoor, and vehicle settings using a compatible 360-degree or action camera. Earn $20 per hour, work 20+ hours weekly, and apply through OpenTrain.
Posted Sep 3, 2026
Review finance questions and answers used in AI training data. This remote contract project suits finance professionals who can judge accuracy, clarity, relevance, and logical soundness.
Posted Sep 3, 2026
Review AI-generated questions and answers across history, philosophy, literature, linguistics, sociology, and related humanities fields. This remote contractor role requires strong subject knowledge, English fluency, and four weeks of focused work.
Posted Sep 3, 2026
Review AI prompts and enterprise PowerPoint presentations for accuracy, structure, design, and clarity. This worldwide contractor role requires English, 20+ hours per week, and at least three years of professional presentation experience.
Posted Sep 3, 2026
Use deep fantasy sports knowledge to test AI-generated draft boards, scoring formulas, projections, and league rules. This remote contract runs for up to two weeks with 40 hours per week and weekend on-call availability.
Posted Sep 2, 2026
Review and improve AI tools for budgeting, debt payoff, savings, and net-worth tracking. This remote contract role needs strong personal finance knowledge, spreadsheet judgment, and at least four years of relevant experience.
Posted Sep 2, 2026
Use your People Operations expertise to evaluate and improve AI-generated HR tools, policies, spreadsheets, and workflows. This remote contract role requires English fluency and 20+ hours per week.
Posted Sep 2, 2026
Review AI-generated scientific solutions, solve challenging STEM problems, and use Python to validate calculations, simulations, and conclusions. This flexible remote contractor role is listed at $50 to $100 per hour.
Posted Sep 2, 2026
Analyze short field recordings, identify instruments and sound events, and review AI-generated audio descriptions. Earn $30-$45 per hour while working remotely for 20-25 hours each week.
Posted Sep 2, 2026
Review complex adolescent safeguarding cases and write clear, defensible risk guidance for AI training. This remote contractor role pays $45 to $95 per hour and requires current professional safeguarding expertise.
Posted Sep 2, 2026
Use adolescent clinical expertise to create structured suicide and self-harm risk assessments for AI training. This remote contractor role pays $45-$95 per hour and requires an active clinical license plus recent adolescent caseload experience.
Posted Sep 2, 2026
Use adolescent addiction expertise to review clinical cases, assess risk and severity, and guide safer AI responses. This remote contractor role pays $45 to $95 per hour and requires an active license plus recent adolescent substance use experience.
Posted Sep 1, 2026
Use your clinical expertise to assess adolescent eating disorder cases, medical risk, safeguarding concerns, and treatment fit. This remote contractor role pays $45-$95 per hour for less than 20 hours per week.
Posted Sep 1, 2026
Use Python and CAD tools to turn dimensioned engineering drawings into precise 3D solid models. This part-time contract role pays $50 to $100 per hour and is open to skilled CAD and mechanical design practitioners.
Posted Aug 30, 2026
Create difficult, verifiable research questions and evidence trails for evaluating AI browsing agents. This remote contract role pays $30 per completed item and requires strong English research and sourcing skills.
Posted Aug 28, 2026
Use real venture capital judgment to create and review AI training tasks covering deal screening, market sizing, startup analysis, and investment decisions. This remote contractor role pays $45-$100 per hour and requires 20+ hours weekly.
Posted Aug 27, 2026
Review and improve AI-generated investment banking work involving valuation, deal analysis, financial models, and client-ready writing. This remote contractor role pays $45-$100 per hour and requires 3-6+ years of hands-on investment banking experience.
Posted Aug 27, 2026
Use private equity experience to create LBO models, investment committee memos, due diligence tasks, and reviews that improve AI systems. This part-time contract role pays $45 to $100 per hour.
Posted Aug 27, 2026
Transcribe and review Tamil audio for AI training at $10-$24 per hour. Use your Tamil and English skills in a flexible remote contractor role requiring 20+ hours each week.
Posted Aug 27, 2026
AI training and data labeling work can involve preparing information that helps artificial-intelligence systems learn and be evaluated. Depending on the project, tasks may include labeling images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge. For applicants located in Costa Rica, the relevant posting will state whether the role accepts applications from that country and explain the work involved.
OpenTrain is the hiring organization for roles available through OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. Whether a particular opportunity accepts applicants located in Costa Rica is determined by its individual posting, along with its qualifications and other requirements.
