Find remote AI training and data labeling jobs open to applicants in Brazil.
Review and redline commercial agreements for an AI training project, using your legal judgment to explain contract changes. This remote, part-time contractor role pays $90 to $110 per hour.
Posted Sep 6, 2026
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
Record continuous third-person videos of everyday activities in indoor, outdoor, and vehicle settings for AI training. This part-time contractor role pays $10 to $25 per hour and requires suitable camera equipment, safe mounting, and fluent English.
Posted Sep 4, 2026
Record continuous third-person video of everyday movement, navigation, and driving-related activities for AI training. The contractor role pays $10 to $25 per hour and requires a compatible action or 360-degree camera.
Posted Sep 3, 2026
Record continuous 360-degree video of everyday activities in indoor, outdoor, and vehicle settings for AI training. Pay is $15 to $25 per hour, with flexible part-time contractor work open in listed countries.
Posted Sep 3, 2026
Create polished digital character illustrations from reference images, develop style variations, and document your creative choices for an AI training project. This remote contractor role offers flexible participation and welcomes emerging artists.
Posted Sep 3, 2026
Create difficult, verifiable research questions and evidence trails for AI browsing-agent benchmarks. This worldwide contract role pays $30 per task and requires 20+ hours weekly.
Posted Aug 28, 2026
Use venture capital judgment to create and review AI training data covering deal screening, market sizing, startup analysis, and investment decisions. This remote contractor role pays $45 to $100 per hour.
Posted Aug 27, 2026
Review and create investment banking training tasks covering valuation, financial models, deal analysis, and AI-generated deliverables. This remote, part-time contractor role pays $45 to $100 per hour.
Posted Aug 27, 2026
Create private equity tasks, build and review LBO models, assess due diligence, and evaluate AI-generated finance work. This part-time contract role pays $45 to $100 per hour and requires practical transaction experience.
Posted Aug 27, 2026
Transcribe, proofread, and review Tamil audio while identifying accents, dialects, and unclear speech. The role offers $10 to $24 per hour equivalent, paid per task, with 20+ hours per week.
Posted Aug 27, 2026
Transcribe, annotate, and review Telugu audio, video, and text for AI training. The role pays $10 to $24 per hour equivalent, paid per task, and requires 20+ hours each week.
Posted Aug 27, 2026
Transcribe German audio, review and annotate transcripts, and help improve language technology. The role offers $20 to $30 per hour equivalent, paid per task, with 20+ hours per week. Apply through OpenTrain.
Posted Aug 27, 2026
Record smartphone motion videos and support motion data collection for AI training. This remote contract role requires Portuguese fluency, careful review, and at least 10 hours of approved video each week.
Posted Aug 20, 2026
Review, segment, label, and organize video data for AI training using Avid Media Composer and post-production skills. This remote contractor role pays $15 to $80 per hour and does not require prior AI training experience.
Posted Aug 20, 2026
Edit and annotate video data for AI training using Adobe Premiere Pro and After Effects. This remote, part-time contractor role pays $15 to $80 per hour and suits entry-level or mid-level professionals.
Posted Aug 20, 2026
Review video clips in DaVinci Resolve, assess visual and technical qualities, and create clear labels for AI training data. This remote contract role pays $15 to $80 per hour and requires video editing and color-grading experience.
Posted Aug 20, 2026
Annotate and organize video data in Final Cut Pro for AI training, including segmentation, keyframes, metadata, and media preparation. Remote contractor work pays $15 to $80 per hour and welcomes entry-level video editors.
Posted Aug 20, 2026
Create challenging prompts and evaluate AI responses across fine arts, visual arts, architecture, design, art history, museums, and artists. This contract role requires advanced subject expertise, excellent written English, and at least 20 hours per week.
Posted Aug 19, 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
Use political science expertise to create evaluation prompts, review LLM responses, test difficult cases, and give evidence-backed feedback. This eight-week contractor assignment requires 40 hours per week and four hours of Pacific Time overlap.
Posted Aug 15, 2026
Review AI-generated educational content, verify information, explain errors, and write concise annotations. This remote, 16-week contractor project pays $30 per hour and requires at least 20 hours weekly.
Posted Aug 15, 2026
Review AI-generated IT guidance on strategy, architecture, infrastructure, vendors, and compliance. This remote contractor role pays $60 to $75 per hour, offers flexible weekly scheduling, and requires five years of IT management experience.
Posted Aug 15, 2026
Review contracts, research laws, and assess compliance issues to help improve AI systems handling legal material. This remote, part-time contractor role pays $60 to $70 per hour and requires an active law license plus five years of relevant practice.
Posted Aug 15, 2026
Review financial statements, audit materials, tax documents, and financial models to help improve AI systems. This part-time contractor role pays USD $50 to $70 per hour and values experienced finance judgment.
Posted Aug 15, 2026
Use software engineering judgment to write code, review complex systems, and create programming examples for AI training. This remote, part-time contractor role pays $50 to $70 per hour and is open in listed countries.
Posted Aug 15, 2026
Create realistic AutoCAD drafting tasks, prepare files and references, and record complete software workflows for AI training. Earn $25 to $30 per hour while working 20 or more hours each week.
Posted Aug 13, 2026
Create realistic Blender tasks, record complete screen demonstrations, and write clear grading criteria for AI agents. This remote contract role pays $18 to $30 per hour and requires 20+ hours per week.
Posted Aug 12, 2026
Work remotely as a Korean-speaking AI training expert for $65 to $98 per hour. Evaluate and create Korean content, translate between Korean and English, and provide detailed feedback that helps improve AI language systems.
Posted Aug 11, 2026
Transcribe Japanese and English audio and written materials, review bilingual transcripts, and give feedback that improves accuracy. This entry-level contractor role pays $65 to $98 per hour and requires professional fluency in both languages.
Posted Aug 11, 2026
AI training and data labeling involve human work used to prepare and review examples for artificial-intelligence systems. Depending on the individual role, tasks can 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 Brazil, only the individual posting can confirm whether that opportunity accepts applications from Brazil and explain the work involved.
OpenTrain is the hiring organization for these roles, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. Review each individual posting for the details and requirements that apply to that opportunity, including whether applicants located in Brazil are eligible.
