Find remote AI training and data labeling jobs open to applicants in South Africa.
Evaluate how well a conversational AI uses personal context in Chinese responses. This remote, three-month contractor role pays $15 per hour and requires at least 20 hours per week, including Pacific Time overlap.
Posted Jul 16, 2026
Earn $15 per hour evaluating personalized Spanish conversational AI responses, comparing outputs, and writing clear quality rationales. This remote, part-time contract role requires 20+ hours per week and strong Spanish writing skills.
Posted Jul 16, 2026
Evaluate personalized AI responses in Arabic by writing multi-turn prompts, comparing outputs, and explaining your judgments. This remote contractor role pays $15 per hour and requires at least 20 hours per week.
Posted Jul 16, 2026
Review Portuguese conversational AI responses for personalization quality, create realistic multi-turn prompts, and rank model outputs. This remote contractor role pays $15 per hour and requires 20+ hours per week.
Posted Jul 16, 2026
Create and review Russian and English content that helps AI models reason more accurately. Research claims, write analytical prompts, and evaluate responses with 20+ hours per week worldwide.
Posted Jul 16, 2026
Review Finnish and English content, test reasoning, validate claims, and give detailed feedback that helps improve AI models. This remote, one-month contract offers 20 or more hours per week, with up to 40 hours preferred.
Posted Jul 16, 2026
Review and improve AI-generated code, create coding datasets, and test software engineering models across the development lifecycle. This flexible contractor role requires strong production software experience and partial PST overlap.
Posted Jul 16, 2026
Evaluate large language models on real coding tasks, test open-source repositories, and review software-engineering datasets. This worldwide contractor role requires English fluency and 20+ hours per week.
Posted Jul 16, 2026
Create and review advanced math questions, logic problems, and written solutions used to train language models. This remote contract role requires strong English and 20+ hours per week.
Posted Jul 16, 2026
Evaluate AI model responses, write Python solutions, and create training data in a fully remote, one-month contractor assignment. Choose 20, 30, or 40 hours per week with Pacific Time overlap.
Posted Jul 16, 2026
Work remotely as a Data Scientist/Analyst evaluating AI models, ranking responses, building training datasets, and analyzing results with Python. Choose 20, 30, or 40 hours per week with Pacific Time overlap.
Posted Jul 16, 2026
Evaluate personalized AI responses in Portuguese by testing conversations, checking factual grounding, comparing outputs, and writing clear reasoning. This remote contractor role pays $15 per hour.
Posted Jul 15, 2026
Evaluate how a conversational AI model uses personal context in German. Create multi-turn prompts, compare responses, and document evidence-based judgments at $15 per hour for a three-month remote contract.
Posted Jul 15, 2026
Review Mandarin AI responses for reasoning, accuracy, localization, and factual quality at up to $40 per hour. This contract role requires 20+ hours weekly and strong translation or localization QA experience.
Posted Jul 9, 2026
Review and rank Arabic and English AI responses, write bilingual examples, and explain your judgments. This contract role pays up to $15 per hour and requires 20+ hours weekly.
Posted Jul 8, 2026
Build and evaluate machine learning models with Python, MongoDB, and common ML libraries in a remote, part-time contractor role paying $80 to $140 per hour. Apply through OpenTrain, then complete the hiring site application.
Posted Jul 3, 2026
Remote Backend C#/.NET Developer contract work pays $60 to $110 per hour. Build backend services, REST APIs, and MySQL systems while supporting reliable software for AI-related projects.
Posted Jun 28, 2026
Review PDF and DOCX files, extract legal and financial information, and correct AI-generated JSON outputs against the source documents. This contract project pays $8 to $11.20 per hour for fewer than 20 hours each week.
Posted May 14, 2026
Review accounting and finance documents, correct OCR errors, label document regions, and structure tables and financial fields. Work 20 or more hours per week at $7 to $9 per hour.
Posted Apr 27, 2026
Rate image quality metrics and review image quality assessment tools in a photography-focused AI training project. Work 20 or more hours per week at $5-$7 per hour.
Posted Apr 15, 2026
Design computer science problems and evaluate AI-generated solutions using Python, structured scoring, and clear technical reasoning. This global contract role pays $15 to $40 per hour for up to 20 hours weekly during active project phases.
Posted Apr 5, 2026
Create and verify realistic, computationally intensive data science problems using Python, SQL, statistics, machine learning, and GenAI. This global contract offers flexible project work for experienced data science specialists.
Posted Apr 5, 2026
Create and verify computational machine learning and STEM problems using Python, statistics, SQL, and modern AI tools. This global, project-based contract pays $15 to $40 per hour for about 10 to 20 hours weekly during active phases.
Posted Apr 5, 2026
Build and review advanced automation workflows, JavaScript logic, and AI-generated solutions for APIs, webhooks, and business processes. Earn $15 to $45 per hour on a flexible, worldwide contract.
Posted Mar 29, 2026
Build and review API integrations that help train and evaluate AI systems. Work part time from anywhere on REST APIs, webhooks, data mapping, and error handling.
Posted Mar 29, 2026
Build and improve automation workflows powered by large language models. You will refine prompts, review model outputs, and create evaluation criteria for practical communication and content tasks.
Posted Mar 29, 2026
Build, test, and improve Zapier and Make.com workflows used to train and evaluate AI systems. This part-time contractor role pays $15 to $45 per hour and is open worldwide.
Posted Mar 29, 2026
Create research-level computational chemistry problems, verified solutions, and Python-based validation workflows. This part-time contractor role pays $15 to $60 per hour based on task complexity and expertise.
Posted Mar 29, 2026
Create and verify original electrical engineering problems using Python, with work spanning system design, optimization, control, and power systems. This worldwide contract role pays $15 to $50 per hour and takes fewer than 20 hours per week.
Posted Mar 29, 2026
Create realistic civil and computational engineering problems, then verify solutions with Python and engineering libraries. This part-time contract pays $15 to $50 per hour and is open worldwide.
Posted Mar 29, 2026
AI training and data labeling work helps prepare and review examples used by artificial-intelligence systems. Depending on the 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. The specific duties for applicants located in South Africa are set out in each live posting.
OpenTrain is the hiring organization for these public roles, and candidates apply through OpenTrain. A successful candidate may be placed or referred by OpenTrain to the client whose project they will support. The live posting remains the source of truth for eligibility, qualifications, hours, pay, and other role-specific requirements.
