Explore remote AI training and data labeling roles that currently accept applicants in El Salvador. OpenTrain hires candidates and may place or refer successful applicants to a client project.
Use your video editing, animation, and post-production expertise to evaluate AI-generated media, build video datasets, and improve visual storytelling systems. This remote contract role offers 20+ hours weekly at $30-$80 per hour.
Posted Jun 30, 2026
Use advanced physics expertise to create, review, and evaluate technical content for AI training. This flexible, worldwide remote contractor role pays $80 to $90 per hour for about 20 hours weekly.
Posted Jun 30, 2026
Put PhD-level Electrical, Mechanical, or Chemical Engineering expertise to work shaping AI responses and training data. This worldwide, part-time contract pays $80-$90 per hour for 20+ hours weekly.
Posted Jun 30, 2026
Use deep expertise in military operations, targeting, defense analysis, and international humanitarian law to evaluate AI systems and shape responsible model behavior. This worldwide remote contract pays $50-$90 per hour for 20+ hours weekly.
Posted Jun 30, 2026
Help shape safer AI systems by developing crisis-prevention taxonomies, clinical rubrics, and benchmark guidelines for self-harm, suicide prevention, eating disorders, and emotional dependency.
Posted Jun 30, 2026
Use your mathematics research or university teaching experience to review complex content, create original problems and proofs, and improve datasets used to train AI systems. This worldwide contract role offers $60 to $90 per hour and requires 20 or more hours weekly.
Posted Jun 30, 2026
Use marketing and commercial strategy expertise to evaluate business content, create rubrics, and help train AI-powered tools. This worldwide, part-time contractor role offers $50-$60 per hour for 20+ hours weekly.
Posted Jun 30, 2026
Use your management consulting expertise to create strategic recommendations, executive presentations, market analyses, financial models, and structured evaluations that help train AI systems. This remote contractor role offers $50 to $70 per hour and 20+ hours per week.
Posted Jun 30, 2026
Use your M&A legal expertise to train and evaluate AI through contract redlining, simulated negotiations, and structured feedback. This remote contractor role offers $80-$105 per hour and requires 20+ hours weekly.
Posted Jun 30, 2026
Help train next-generation AI systems through legal research, contract review, regulatory interpretation, and case-based evaluation. This remote contractor role offers part-time work at $15-$25 per hour for 20+ hours weekly.
Posted Jun 30, 2026
Use your funds law and contract redlining expertise to evaluate AI-generated legal responses, build rubrics, and improve contract review systems. This remote, part-time contractor role pays $80 to $105 per hour.
Posted Jun 30, 2026
Use financial analysis, advanced Excel, and risk judgment to help train next-generation AI systems. This remote, part-time contractor role offers $15-$25 per hour, 20+ hours weekly, and does not require prior AI experience.
Posted Jun 30, 2026
Review engineering drawings, CAD files, blueprints, inspection reports, and AI-generated responses for a remote contractor role paying $40-$50 per hour. Work 20+ hours weekly while helping improve AI systems.
Posted Jun 30, 2026
Use your clinical and crisis-care expertise to shape AI evaluation for youth mental health, child safety, and online exploitation risks. This remote contractor role offers flexible part-time work at $50 to $90 per hour.
Posted Jun 30, 2026
Use your expertise in chemical safety and toxicology to evaluate AI outputs, documents, and datasets. This remote contractor role offers flexible scheduling and pays $50-$90/hour.
Posted Jun 30, 2026
Use your biosecurity and synthetic biology expertise to evaluate AI outputs, review biological risk scenarios, and provide evidence-based feedback. This flexible remote contract pays $50 to $90 per hour for about 20 hours weekly.
Posted Jun 30, 2026
Help strengthen AI systems by red-teaming LLMs, testing jailbreaks and prompt injection, and documenting security findings. This worldwide, part-time contract offers 20+ hours per week at $50 to $90 per hour.
Posted Jun 30, 2026
Help shape AI evaluations for nuclear and radiological safety, nonproliferation, and security. This worldwide remote contract offers 20+ hours per week at $50-$90 per hour.
Posted Jun 30, 2026
Annotate approximately 60 engineering diagram sheets as graph data, labeling classified symbols, routing nodes, bounding boxes, and connections. A paid pilot comes first, with a fixed project price of $499.
Posted Jun 30, 2026
Use advanced mathematics expertise to write, review, and improve AI-generated answers in a flexible remote contractor role paying $80 to $90 per hour. A PhD-level background is sought, but prior AI training experience is not required.
Posted Jun 28, 2026
Use your electrical systems and field operations expertise to review technical documents, evaluate troubleshooting scenarios, and improve AI training materials. This remote contractor role offers $40-$50 per hour and requires 20+ hours weekly.
Posted Jun 28, 2026
Use advanced chemistry expertise to create authoritative answers, evaluate AI outputs, and build benchmark examples. This worldwide, part-time contractor role pays $80-$90 per hour for 20+ hours weekly.
Posted Jun 28, 2026
Use your business operations analytics expertise to evaluate and improve AI-generated responses, reports, and process materials. This flexible remote contractor role pays $50-$60 per hour for about 20 hours weekly.
Posted Jun 28, 2026
Use your biology expertise to evaluate AI prompts and model outputs, write scientifically sound responses, and provide clear feedback. This flexible remote contractor role offers $80-$90 per hour for about 20 hours weekly over 1-3 months.
Posted Jun 28, 2026
Join a remote, part-time project annotating humanoid-robot videos for vision-language-action models. Bring prior VLA annotation experience, Level B capability, and familiarity with Encord or another labeling platform.
Posted Jun 27, 2026
Review scientific figures, laboratory reports, experimental results, and technical publications to help improve AI systems. This remote contractor role offers $40-$50/hour and requires 20+ hours per week.
Posted Jun 27, 2026
Use your UI/UX expertise in a worldwide contract opportunity focused on user-centered product design, design systems, and usability. The $100 fixed-price engagement includes an AI interview assessing your design judgment and experience.
Posted Jun 15, 2026
Review and correct AI-generated extractions from legal, financial, accounting, and compliance documents. Use JSON schemas and careful document analysis in a flexible, worldwide contract role paying $8 to $11.20 per hour.
Posted May 14, 2026
Use your pathology expertise to evaluate super-resolution algorithms by comparing whole-slide images and rating image quality. This remote, part-time contractor role pays $100-$200 per hour and requires a licensed pathologist.
Posted May 12, 2026
Help build a multimodal benchmark of African cultural content by validating images, refining captions, and adding cultural context. Work flexibly on a browser-based platform for less than 20 hours per week.
Posted Apr 28, 2026
