Find remote AI training and data labeling jobs open to applicants in Puerto Rico.
Build and test Python backend connectors or create realistic AI agent tasks and evaluation rubrics. This remote, four-week contract pays $300 per approved task and requires at least 20 hours per week.
Posted Oct 4, 2026
Review AI model outputs and improve data pipeline quality using LLM agent engineering, observability, anomaly detection, and clear written feedback. This contractor role requires 20+ hours each week and fluent English.
Posted Oct 2, 2026
Create graduate-level life sciences problems that test how AI interprets experiments, biological data, figures, sequences, structures, and research evidence. This remote contractor role requires advanced life sciences research experience.
Posted Oct 2, 2026
The partner lists a Mathematics Expert role, but its description names a different subject. The duties and qualifications need confirmation before applying.
Posted Oct 2, 2026
Review AI-generated health coaching conversations, assess wellness recommendations, and give clear feedback that helps improve AI systems. This fully remote project offers flexible work of 20 or more hours per week for candidates with health coaching or related experience.
Posted Oct 1, 2026
Create realistic social scenarios, assess AI responses, and explain your ratings in clear written English. This remote project runs about 2 to 3 weeks, requires 20+ hours weekly, and pays per completed label.
Posted Oct 1, 2026
Build Python backends and AI agent evaluation tasks in a four-week remote contractor engagement. Earn $300 per approved task, with at least one approved task required each day and 20+ hours per week.
Posted Oct 1, 2026
Design complex, multi-step computational life sciences tasks that test how AI agents analyze data, run code, and reach valid conclusions. This remote five-week contractor assignment pays $300 per approved task and requires advanced research and Python skills.
Posted Sep 30, 2026
Design graduate-level biology problems and reference answers for AI evaluation using experiments, datasets, figures, sequences, structures, and literature-style evidence. This remote contractor assignment runs for one month.
Posted Sep 30, 2026
Create graduate-level life sciences questions and reference answers that test how well AI interprets experiments, biological data, figures, sequences, and research evidence. This remote contractor assignment requires advanced research experience and Pacific Time overlap.
Posted Sep 30, 2026
Lead large software engineering AI training programs, improve coding data quality and delivery, and guide distributed contributor teams. This worldwide contract role requires 20+ hours per week and fluency in English.
Posted Sep 30, 2026
Research and build evaluation systems, datasets, benchmarks, and agent environments for advanced AI. This contractor role is open worldwide, requires professional English fluency, and asks for 7+ years of research engineering experience.
Posted Sep 30, 2026
Review AI-generated code for correctness, security, reliability, and maintainability in LLM evaluation work. This remote contract role requires at least seven years of software engineering experience and 20+ hours per week.
Posted Sep 30, 2026
Record and review detailed computer workflows to help train AI systems to understand software use. This remote, worldwide contractor assignment runs for 3 to 4 weeks and requires English, a reliable computer, and careful attention to detail.
Posted Sep 30, 2026
The partner lists a Life Sciences Subject Matter Expert role in chemistry, but its description focuses mainly on biology. The duties and qualifications need confirmation before applying.
Posted Sep 30, 2026
Use advanced life sciences research skills to design scientific reasoning tasks, review AI-generated answers, and explain judgments clearly. The role requires strong scientific writing and at least 20 hours per week.
Posted Sep 30, 2026
Record polished Spanish voice-over audio for AI training and media projects at $200 per finished hour. This flexible remote contractor role requires professional recording experience, strong diction, and a high-quality setup.
Posted Sep 24, 2026
Create terminal-based Earth science tasks for AI agents using scientific programming, geospatial data, modeling, and objective evaluation. This remote contractor assignment pays $300 per approved task and runs for five weeks.
Posted Sep 24, 2026
Design multi-step computational life sciences tasks that test whether AI agents can inspect data, run code, solve problems, and explain results. This remote contractor role pays $280 per approved task.
Posted Sep 22, 2026
Edit, retouch, and annotate 2D and 3D design assets for AI training. This remote contractor project runs 8 to 10 weeks and welcomes part-time artists working 25 to 30 hours per week.
Posted Sep 21, 2026
Listen to short AI-generated music clips and identify their instrument family and specific instrument. This remote, fixed-price project pays $150-$160 and must be completed within a flexible two-day window.
Posted Sep 19, 2026
Use senior accounting and finance experience to answer complex questions, analyze financial data, and give clear advisory recommendations for AI applications. This remote freelance engagement runs up to 40 hours per week for an initial 10 weeks.
Posted Sep 18, 2026
Review Turkish and English content that helps language models improve. Research claims, summarize material, solve reasoning tasks, and provide clear feedback in a remote role requiring 20 or more hours each week.
Posted Sep 11, 2026
Help improve large language models by answering analytical questions, checking written claims, creating reasoning scenarios, and explaining your decisions in English and Norwegian. This remote contractor role requires 20 or more hours per week.
Posted Sep 11, 2026
Review Japanese and English content, solve analytical questions, and give clear feedback that helps improve AI language models. This worldwide contract role requires 20 or more hours each week and does not require prior AI training experience.
Posted Sep 11, 2026
Help improve language models by researching claims, solving analytical questions, creating reasoning examples, and reviewing French and English responses. This remote, entry-level contract requires at least 20 hours per week.
Posted Sep 11, 2026
Review and improve AI-generated answers using Spanish and English, online research, logical reasoning, and clear written feedback. This remote contractor role requires 20 or more hours each week and some overlap with US hours.
Posted Sep 11, 2026
Support AI training by creating and reviewing CAD models, simulation models, calculations, schematics, and engineering documentation. This remote 8-week contract requires 20 to 40 hours weekly and at least 10 years of relevant experience.
Posted Sep 8, 2026
Analyze Thai and English content, check claims, answer reasoning questions, and create feedback for AI systems. This remote contractor role requires 20+ hours per week and offers flexible work for bilingual candidates.
Posted Sep 7, 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
AI training is human work that helps prepare and review examples used by artificial-intelligence systems. Depending on the individual role, 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 Puerto Rico, the specific duties are determined by each live posting rather than by location alone.
OpenTrain is the hiring organization for the public roles available through OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. Individual postings provide the authoritative information about eligibility, qualifications, responsibilities, pay, hours, schedule, location rules, and client-specific requirements.
