data annotation

2,807 vagas de data annotation em Brasil. Encontre vagas atualizadas diariamente.


  • , Brasil Toloka Annotators Remoto Tempo integral R$ 54.728 - R$ 77.945 Contrato

    Freelance Annotation Quality Reviewer (Korean) 1 day ago Be among the first 25 applicants Please submit your resume in English and indicate your level of English. What We Do The Toloka Annotators platform connects individuals with Generative AI projects from leading tech innovators. Our mission is to unlock the full potential of AI by involving real people...

  • Data Annotator

    Há 2 dias


    Recife, State of Pernambuco, Brasil Innodata Inc. Tempo integral

    Innodata (NASDAQ: INOD) is a leading data engineering company. With more than 2,000 customers and operations in 13 cities around the world, we are an AI technology solutions provider-of-choice for 4 out of 5 of the world’s biggest technology companies, as well as leading companies across financial services, insurance, technology, law, and medicine. By...

  • Data Annotator

    Há 2 dias


    Porto Alegre, State of Rio Grande do Sul, Brasil Innodata Inc. Tempo integral

    Innodata (NASDAQ: INOD) is a leading data engineering company. With more than 2,000 customers and operations in 13 cities around the world, we are an AI technology solutions provider-of-choice for 4 out of 5 of the world’s biggest technology companies, as well as leading companies across financial services, insurance, technology, law, and medicine. By...


  • , Brasil DeepLLMData Remoto Tempo integral R$ 215.924 - R$ 359.874 Contrato

    DeepLLMData specializes in providing high-quality annotated data for advanced machine learning models. Our expertise includes supervised fine-tuning (SFT), reinforcement learning with human feedback (RLHF), and domain-specific data services for STEM fields, PhDs, mathematics, as well as image and video annotation. We support frontier technologies with expert...

  • Human Data Specialist Premium

    Há 16 horas


    São José da Laje, Alagoas, Brasil Hire Feed Remoto Tempo integral US$ 40 - US$ 60 Efetivo

    Role: Human Data Specialist (Remote) Location: Remote (Work from Anywhere) Job Type: Full-Time Payout: $40 - $60/hour Role Overview: We are hiring for one of our clients, seeking a Senior Human Data Manager to work on a full-time basis. This role involves overseeing data collection, validation, and annotation processes to ensure high-quality training...

  • Data Annotator

    Há 2 dias


    Salvador, State of Bahia, Brasil Innodata Inc. Tempo integral

    Innodata (NASDAQ: INOD) is a leading data engineering company. With more than 2,000 customers and operations in 13 cities around the world, we are an AI technology solutions provider-of-choice for 4 out of 5 of the world’s biggest technology companies, as well as leading companies across financial services, insurance, technology, law, and medicine. By...

  • Data Annotator

    Há 9 horas


    Fortaleza, State of Ceará, Brasil Innodata Inc. Tempo integral

    Innodata (NASDAQ: INOD) is a leading data engineering company. With more than 2,000 customers and operations in 13 cities around the world, we are an AI technology solutions provider-of-choice for 4 out of 5 of the world’s biggest technology companies, as well as leading companies across financial services, insurance, technology, law, and medicine.By...

  • Data Annotator

    Há 9 horas


    Belo Horizonte, State of Minas Gerais, Brasil Innodata Inc. Tempo integral

    Innodata (NASDAQ: INOD) is a leading data engineering company. With more than 2,000 customers and operations in 13 cities around the world, we are an AI technology solutions provider-of-choice for 4 out of 5 of the world’s biggest technology companies, as well as leading companies across financial services, insurance, technology, law, and medicine.By...

  • Data Annotator

    Há 9 horas


    Manaus, State of Amazonas, Brasil Innodata Inc. Tempo integral

    Innodata (NASDAQ: INOD) is a leading data engineering company. With more than 2,000 customers and operations in 13 cities around the world, we are an AI technology solutions provider-of-choice for 4 out of 5 of the world’s biggest technology companies, as well as leading companies across financial services, insurance, technology, law, and medicine.By...

  • Data Annotator

    Há 17 horas


    Curitiba, State of Paraná, Brasil Innodata Inc. Tempo integral

    Innodata (NASDAQ: INOD) is a leading data engineering company. With more than 2,000 customers and operations in 13 cities around the world, we are an AI technology solutions provider-of-choice for 4 out of 5 of the world’s biggest technology companies, as well as leading companies across financial services, insurance, technology, law, and medicine.By...

  • AI Evaluation Premium

    Há 20 horas


    Brazil Volga Partners Remoto Tempo integral US$ 8 - US$ 11 Efetivo

    DescriptionLaunch Your Career in Artificial Intelligence We are seeking language professionals who are available and prepared to commit to this project for a minimum of six months. This is a long-term engagement that requires consistent attendance, dependable availability, and the ability to work the required schedule throughout the project. Artificial...

  • Data Foundry Engineer Premium

    Há 20 horas


    São Paulo, Brasil Tractian Remoto Tempo integral R$ 1.035 Temporário

    Why join usTRACTIAN is transforming the industrial world by empowering frontline maintenance workers to achieve more. We’ve fused cutting-edge hardware with innovative software into one powerful platform, disrupting legacy systems and delivering smarter, faster solutions for our clients.Data Science at TRACTIANThe Data Science team at TRACTIAN focuses on...

  • Data Annotator

    Há 5 dias


    Novo Brasil, Goiás E-Solutions Tempo integral

    AI Model Evaluator Remote (From Brazil) Contract - Work: Remote | 8 hours/day | 5 days/week (working days may vary) - Equipment: Candidate's own laptop - Mandatory ~2-hour assessment Job Description We are looking for Portuguese speakers based in Brazil for an AI Model Evaluation project. The work will initially involve reading comprehension and...

  • Data Annotator

    Há 5 dias


    Aré, estado do rio de janeiro, Brasil E-Solutions Tempo integral

    AI Model Evaluator Remote (From Brazil)ContractWork: Remote | 8 hours/day | 5 days/week (working days may vary)Equipment: Candidate’s own laptopMandatory ~2-hour assessmentJob DescriptionWe are looking for Portuguese speakers based in Brazil for an AI Model Evaluation project. The work will initially involve reading comprehension and evaluating/rating...

  • Precision Medicine Data Lead Premium

    Há 15 horas


    , Brasil Alignerr Remoto Tempo integral

    Precision Medicine Data Lead (AI Training) About The Role What if your expertise in genomic and clinical data could directly shape how AI understands and advances personalized medicine for millions of patients worldwide? We're looking for a Precision Medicine Data Lead to guide how complex healthcare datasets are integrated, governed, and transformed into...

  • Data Annotator

    Há 5 dias


    remoto, remoto, Brasil E-Solutions Tempo integral

    AI Model Evaluator Remote (From Brazil)ContractWork: Remote | 8 hours/day | 5 days/week (working days may vary)Equipment: Candidate’s own laptopMandatory ~2-hour assessmentJob DescriptionWe are looking for Portuguese speakers based in Brazil for an AI Model Evaluation project. The work will initially involve reading comprehension and evaluating/rating...


  • , Brasil Alignerr Remoto Tempo integral

    Biotech Health Data Governance Lead (AI Training) About The Role What if your expertise in biotech data governance could directly shape how AI understands and works with clinical and research data at a global scale? We're looking for a Biotech Health Data Governance Lead to ensure that research and clinical trial data is accurate, traceable, compliant, and...

  • Precision Medicine Data Lead Premium

    Há 2 dias


    Rio de Janeiro, Rio de Janeiro, Brasil Alignerr Remoto Tempo integral US$ 40 - US$ 80 Efetivo

    Precision Medicine Data Lead (AI Training) About The Role What if your expertise in genomics and clinical data could directly shape how AI understands and advances personalized medicine for millions of patients worldwide? We're looking for a Precision Medicine Data Lead to help guide how complex healthcare and genomic data is structured, integrated, and...


  • Brasília, Região Centro-Oeste, Brasil CNTXT AI Tempo integral R$ 24.000 - R$ 42.000 Contrato

    CNTXT AI is a leading artificial intelligence company focused on building next-generation AI systems, products, and infrastructure. We specialize in developing multimodal AI, robotics, and intelligent agents, powered by high-quality real-world data. Data is at the core of our innovation. We invest heavily in data collection, annotation, and AI training...

  • AI Data Specialist Premium

    Há 20 horas


    São Paulo, Brasil RWS TrainAI Remoto Tempo integral US$ 6 Efetivo

    We are looking for an AI Data Specialist to support the improvement of AI-generated content in English.   Job Type: Freelance Location: Remote in Brazil Work Schedule: Part-time. Flexible, work whenever you want Start Date: Immediately Duration: Long-term project Rate: 6 USD/hour   Help Shape the Future of AI Are you a student, recent graduate,...