Label and annotate diverse datasets across text, images, and structured data to train and improve AI models at scale. Role details Domain: Technology Experience level: Industry Expert Required expertise: Data Labeling, Quality Assurance, Attention to Detail, Text Classification…
Remote AI & Data Training Jobs in Brazil 2026
2028 remote jobs open to candidates in Brazil in AI & Data Training. Updated daily.
At TELUS Digital, we help the world’s biggest brands build smarter technology. As a E-commerce Product & Search Relevancy Expert , your mission is to help an AI learn how to suggest the perfect products to online shoppers.
About Silencio Voice AI Silencio Voice AI is a platform that allows individuals to earn by contributing voice data used to train artificial intelligence systems. The focus is on building diverse speech datasets across accents and languages. Role Overview Join as a Voice…
Java Coding Specialist - Freelance AI Trainer Project United States of America Are you a Java expert who can spot a flawed abstraction from across a codebase? Large-scale language models are evolving from clever chatbots into engines of real scientific and engineering progress.
We are hiring game data collectors to play video games while our software records your gameplay footage and keyboard/mouse inputs simultaneously. The recordings are used to train AI models that learn from human gameplay demonstrations.
We hire game annotators to label gameplay footage and input data for AI training. You will watch recorded gameplay sessions, identify actions and events, and tag them using our annotation platform.
This is a remote, project-based role for machine learning professionals with deep expertise in computational materials science.
This is a remote, project-based role for machine learning professionals with deep expertise in bioinformatics. You will complete tasks at the intersection of ML and biological data analysis — including model development, pipeline construction, and research tasks applied to real…
About the Platform Luel AI offers remote opportunities for contributors to create high-quality audio datasets used to train and improve AI systems. Tasks are flexible, language-based, and accessible globally. Role Overview As a Conversational Audio Contributor, you will…
We’re looking for contract, remote Portuguese-speaking annotators to evaluate AI-generated content with a sharp eye for detail and cultural nuance. You’ll be making judgment calls on whether outputs make sense and reflect real-world expectations in Portuguese.
About Alignerr Alignerr connects domain experts with AI research initiatives to improve how AI systems generate, evaluate, and refine content across domains. Role Overview We are seeking talented English writers to craft, evaluate, and improve AI-generated creative…
About Alignerr Alignerr connects domain experts with AI research initiatives to improve how AI systems generate, evaluate, and refine content across domains. Role Overview We are seeking detail-oriented QA professionals to evaluate, test, and improve AI-generated…
About Alignerr Alignerr connects domain experts with AI research initiatives to improve how language models understand, generate, and refine content across disciplines. Role Overview We are seeking skilled writers, editors, and language professionals to evaluate and…
As a Data Annotation Specialist at CVAT.ai, you will play an indispensable role in our mission to create comprehensive datasets for Computer Vision applications.
We are sourcing independent Language Alignment & Resource Partners (LARPs) to provide native-level Portuguese language vetting and QA for a specialized AI data project.
We are looking for English native speakers who are Learners of French and/or SPANISH (latam) to record simple utterances in different proficiency level.
Pila8 is hiring Audio Recording Contributors for remote, project-based work supporting AI training and evaluation. In this role, you will record clear, natural audio based on structured prompts and tasks.
Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems.
Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems.
🌟 Join Sigma.AI – Shaping the Future of Artificial Intelligence 🌍 🔹 What is Sigma? Sigma is a leading global technology company specializing in data collection and annotation for Artificial Intelligence.
AI is great at writing, but it often makes legal documents too confusing or misses simple rules. As a Legal Content Expert, your job is to read AI-generated legal text—like simple contracts, privacy policies, or terms of service—and make sure they are clear, accurate, and make…
TELUS Digital is seeking a Mathematical Reasoning & AI Evaluation Specialist to support the assessment of AI-generated mathematical content.
Do you have a degree in Geography or Urban Planning? AI models power the maps we use every day for delivery and travel, but they often struggle to understand the real world. At TELUS Digital, we are looking for Geography enthusiasts to be the "eyes on the ground" for our AI.
AI models often sound like smart students, but they lack "real-world" business experience. As a Business Logic Specialist, your job is to teach the AI how a real company works.