Find remote AI training and data labeling jobs open to applicants in Costa Rica.
Transcribe, annotate, and review Telugu audio, video, and text to help improve AI systems. This part-time contract role pays $10 to $24 per hour and requires native or near-native Telugu proficiency.
Posted Aug 27, 2026
Transcribe and review German audio to help improve language technology. This contract role pays $10 to $35 per hour and requires at least 20 hours per week.
Posted Aug 27, 2026
Use your graphic design expertise to annotate editorial, poster, marketing, and motion assets for AI training. Work 20 or more hours weekly at $20 to $50 per hour, with English required.
Posted Aug 26, 2026
Transcribe mixed SATB recordings into precise MusicXML scores using advanced musical listening and Python audio analysis. This remote contractor role offers $50 to $100 per hour with about 15 hours of flexible work each week.
Posted Aug 26, 2026
Use your shareholder and LLC litigation experience to draft legal materials, build case strategies, and rate responses for an AI training project. This remote contract role is for US-licensed attorneys and pays $100 to $150 per hour.
Posted Aug 26, 2026
Create polished 3D/CGI video, animation, and visual effects for robotics and educational AI training media. This remote contractor role pays $40-$80 per hour and requires 20 or more hours each week.
Posted Aug 25, 2026
Evaluate how AI agents use MCP tools to solve real software engineering tasks, from bug fixes to refactoring and performance work. This remote contractor role offers flexible scheduling for about 15 hours per week at $60 to $120 per hour.
Posted Aug 25, 2026
Build and test reinforcement learning environments that measure how AI agents use MCP tools to solve software engineering problems. This contractor role offers flexible scheduling, about 15 hours per week, and $60-$120 per hour.
Posted Aug 25, 2026
Use psychiatric or clinical psychology expertise to review and improve AI content for military and veteran mental health. This contract role pays $100-$200 per hour and requires 20+ hours per week.
Posted Aug 25, 2026
Use child development psychology expertise to review datasets, assess AI responses, and document recommendations for better model behavior. This remote contractor role pays $100 to $200 per hour and requires a PhD.
Posted Aug 25, 2026
Review and improve AI-generated DevOps code, create realistic infrastructure tasks, and write reference solutions. This contract role pays $50-$100 per hour and requires 20+ hours weekly.
Posted Aug 22, 2026
Use your US corporate law experience to review contracts, deal structures, and litigation materials for AI training. This part-time contract role pays $140 to $400 per hour and requires 20 or more hours each week.
Posted Aug 21, 2026
Use your litigation and transactions experience to review legal documents, draft clauses, and assess legal scenarios for AI training. This remote contract role pays $140 to $400 per hour and requires 20+ hours weekly.
Posted Aug 21, 2026
Review and improve legal documents used in AI training, with pay listed at $140 to $400 per hour. This contractor role requires an active law license, strong legal writing skills, and 20+ hours per week.
Posted Aug 21, 2026
Review and improve AI-generated U.S. immigration legal content as a remote contractor. This part-time role pays $140-$400 per hour and requires an active law license plus significant BigLaw immigration experience.
Posted Aug 21, 2026
Use your family law expertise to review cases, statutes, agreements, and legal documents for AI training. This remote contractor role pays $140-$400 per hour and requires 20+ hours per week.
Posted Aug 21, 2026
Review M&A documents, legal scenarios, and AI outputs while helping improve legal AI systems. This remote contractor role pays $140 to $400 per hour and requires a US law degree, active bar admission, and strong M&A expertise.
Posted Aug 21, 2026
Create challenging research questions, test AI answers, and explain results with citations. This remote English-language contractor role offers $20 to $60 per hour and asks for at least 20 hours each week.
Posted Aug 21, 2026
Create and review challenging medical question-and-answer pairs, verify answers against clinical evidence, and evaluate AI responses. Work remotely for 10 to 15 hours per week at $40 to $90 per hour.
Posted Aug 21, 2026
Record smartphone motion videos and help collect movement data for AI training. This part-time contractor role requires Portuguese, 20+ hours per week, and pays $6 per hour.
Posted Aug 20, 2026
Review 3D character animations and video outputs against clear project guidelines, then explain your judgments in writing. This remote contractor role pays $15-$80 per hour for about 20 hours a week.
Posted Aug 20, 2026
Use Avid Media Composer and post-production skills to review, segment, annotate, and organize video data for AI training. This remote contractor role pays $15 to $80 per hour and requires 20 or more hours each week.
Posted Aug 20, 2026
Prepare and annotate video data for AI training using Adobe Premiere Pro and After Effects. This remote contractor role offers flexible scheduling, about 20 hours per week, and $15 to $80 per hour.
Posted Aug 20, 2026
Use DaVinci Resolve to review video, assess visual and technical qualities, and create structured labels for AI training. This remote contractor role pays $15-$80 per hour and requires 20+ hours per week.
Posted Aug 20, 2026
Use Final Cut Pro and macOS workflows to segment, tag, and organize video for AI training datasets. This remote contractor role pays $15-$80 per hour and welcomes entry-level video editors.
Posted Aug 20, 2026
Review documents and transformed datasets to confirm personally identifiable information is properly redacted or anonymized. This remote contractor role pays $31 to $60 per hour and requires 20 or more hours weekly.
Posted Aug 19, 2026
Review simulated technology contract negotiations, evaluate AI responses, and create legal grading standards. This remote, part-time contractor role pays $90-$130 per hour and requires three years of in-house technology transactions experience.
Posted Aug 19, 2026
Evaluate AI responses about fine arts, visual arts, design, architecture, and art history. This worldwide contract role requires advanced subject expertise, strong written English, and at least 20 hours per week.
Posted Aug 19, 2026
Use your hospital-based medical judgment to review inpatient records, FHIR data, clinical notes, and claims for AI training. This remote contractor role pays $70 to $100 per hour and requires an MD or DO.
Posted Aug 19, 2026
Use your hospitalist experience to review inpatient cases, assess documentation and care quality, and explain complex clinical decisions for AI training. This remote contractor role pays $70 to $100 per hour and requires 20 or more hours each week.
Posted Aug 19, 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.
