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 accounting or finance expertise to review financial documents, correct OCR, and structure tables and key-value data for AI training. This worldwide contractor role pays $7-$9 per hour and requires 20+ hours weekly.
Posted Apr 27, 2026
Record scripted Dutch dialogue from a professional or prosumer setup and help improve AI voice systems. This remote contract offers flexible scheduling, clear audio standards, and a listed rate of $83 to $150 per hour.
Posted Apr 23, 2026
Rate image quality metrics and assess image quality tools in a remote AI training project. This worldwide contractor role offers flexible part-time work at $5 to $7 per hour.
Posted Apr 15, 2026
Record clear, natural scripted audio in English and one or more supported languages using professional equipment. This worldwide, part-time contractor role offers $40 to $60 per hour and 20+ hours of weekly work.
Posted Apr 10, 2026
Review and improve auto-generated annotations across an 8,000-frame refinery dataset using CVAT. This worldwide, part-time contractor project offers a fixed $1,200 payment and requires 20+ hours per week.
Posted Apr 5, 2026
Use Python and advanced computer science expertise to design problems, validate AI-generated solutions, and score multi-step reasoning. This project-based contractor role offers global remote work at $15-$40 per hour.
Posted Apr 5, 2026
Use advanced Python, SQL, statistics, machine learning, and GenAI expertise to author realistic data science problems that help train and evaluate AI systems. This remote, project-based contractor role pays $15 to $40 per hour.
Posted Apr 5, 2026
Use expert Python, statistics, SQL, and GenAI knowledge to create and verify challenging computational machine learning problems. This project-based remote contract offers $15 to $40 per hour.
Posted Apr 5, 2026
Use your Chinese localization expertise and C1 English skills to evaluate, fact-check, and improve AI-generated content. This remote contractor role offers flexible work of 20 or more hours per week.
Posted Apr 3, 2026
Evaluate and red-team large language models in Hebrew and English, documenting safety failures and policy gaps. This fully remote contractor role pays $26-$38 per hour for 20+ hours weekly.
Posted Apr 3, 2026
Work remotely as a French and English AI Safety LLM Evaluator, reviewing model responses, red-teaming safety boundaries, and creating evaluation data. Earn $24 to $36 per hour while helping improve safer AI systems.
Posted Apr 3, 2026
Review and improve French-language AI responses as a remote, hourly contractor. Use expert judgment in French linguistics, reasoning quality, editing, and bilingual communication while earning $16 to $26.50 per hour.
Posted Apr 3, 2026
Evaluate AI-generated content and safety decisions in Spanish and English as a remote contractor earning $14-$24 per hour. Use red-teaming, policy judgment, and clear analytical feedback to help improve safer AI systems.
Posted Apr 3, 2026
Evaluate AI-generated content in Arabic and English, identify unsafe or adversarial behavior, and provide clear feedback for safer language models. This fully remote contractor role offers $15-$40 per hour with a 20+ hour weekly commitment.
Posted Apr 3, 2026
Review and improve Arabic-English AI responses, assess reasoning and factual accuracy, and write model solutions in a flexible remote contractor role paying $6-$12 per hour.
Posted Apr 3, 2026
Use your biology expertise to evaluate AI-generated responses, fact-check scientific reasoning, and write clear model explanations. This worldwide contractor role pays $25 to $55 per hour, with a listed rate of $45 per hour.
Posted Apr 3, 2026
Help improve AI-generated medical and public health responses through clinical reasoning, fact-checking, written feedback, and response ranking. This remote contractor role offers part-time work under 20 hours per week and pays $25 to $72 per hour.
Posted Apr 2, 2026
Help train and evaluate AI systems for infrastructure design, scalable automation, and real-world DevOps workflows. This remote contractor role offers $15-$45 per hour and requires 20+ hours weekly.
Posted Mar 29, 2026
Use Make.com, n8n, and JavaScript to build and evaluate reliable AI automation workflows. This remote contractor role offers 20+ hours weekly and pay of $15 to $45 per hour through OpenTrain.
Posted Mar 29, 2026
Use your REST API and webhook expertise to create prompts and evaluate AI-generated integrations between CRMs, SaaS tools, ad platforms, and databases. Work remotely as a part-time contractor for 20+ hours per week.
Posted Mar 29, 2026
Build and refine LLM-powered automation workflows as an intermediate AI Workflow Engineer. Evaluate outputs, design prompts, and improve communication and content automation for $15 to $45 per hour.
Posted Mar 29, 2026
Help train AI systems to design reliable, scalable n8n automations. Build prompts, evaluate workflow outputs, and improve complex integrations in a flexible remote contractor role paying $15 to $45 per hour.
Posted Mar 29, 2026
Use your Zapier and Make.com expertise to build, test, and evaluate automation workflows that help train advanced AI systems. This flexible contractor role offers 20+ hours per week at $15 to $45 per hour.
Posted Mar 29, 2026
Use Python and quantitative finance expertise to create and verify challenging, research-style problems for AI training. Work remotely as a part-time contractor for 20+ hours per week at $15 to $60 per hour.
Posted Mar 29, 2026
Use advanced Python and statistical expertise to create and validate challenging research-style problems for AI training. This remote contractor role offers flexible part-time work at $15-$60 per hour.
Posted Mar 29, 2026
Use advanced Python and computational biology expertise to design and verify challenging research problems for AI training. This flexible, project-based contractor role offers $15 to $60 per hour and requires 20+ hours weekly.
Posted Mar 29, 2026
Create advanced computational and quantum chemistry problems, verify solutions with Python, and model authentic research workflows. This part-time contract pays $15-$60 per hour based on task complexity.
Posted Mar 29, 2026
Use advanced Python and research experience to create and verify challenging computational physics problems, from mechanics to quantum mechanics. This global, part-time contractor role offers 20+ hours per week and project-based pay of $15 to $60 per hour.
Posted Mar 29, 2026
Create original, research-style mathematics problems and verify them computationally in Python for AI training. This expert contractor role offers flexible remote work for 20 or more hours weekly at listed rates of $15 to $60 per hour.
Posted Mar 29, 2026
Create realistic mechanical engineering problem sets and fully verified Python solutions for computational methods, optimization, system design, and analysis. This worldwide contract role offers 20+ hours per week and pays $15 to $50 per hour.
Posted Mar 29, 2026
