Empregos para data annotation em Rio de Janeiro

161 vagas de data annotation em Brasil. Encontre vagas atualizadas diariamente.

  • Data Annotator

    Há 3 horas


    Rio de Janeiro, State of 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 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...


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

    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 life sciences research? We're looking for a Biotech Health Data Governance Lead to ensure that clinical trial and research data is accurate, traceable, compliant, and ready to power the...


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

    Hospital Health Data Governance Lead (AI Training) About The Role What if your expertise in healthcare data governance could directly shape how AI understands, interprets, and works with clinical and operational health data? We're looking for experienced Hospital Health Data Governance Leads to help ensure that the health data used to train cutting-edge AI...

  • AI Trainer Premium

    Há 4 dias


    Rio de Janeiro, Rio de Janeiro, Brasil Mindrift Data Annotation Projects Remoto Meio período US$ 8 Efetivo

    Please submit your resume in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What This Opportunity Involves Annotation is what helps AI...

  • AI Trainer

    Há 5 dias


    Rio de Janeiro, Rio de Janeiro, Brasil Toloka Annotators Remoto Tempo integral R$ 17.000 - R$ 23.000 Contrato

    OverviewAt Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. Toloka connects individuals with Generative AI projects from leading tech innovators. Our mission is to unlock the full potential of AI by involving real people from around the world in the development...

  • Digital Health Strategist Premium

    Há 19 horas


    Rio de Janeiro, Rio de Janeiro, Brasil Alignerr Remoto Tempo integral US$ 35 - US$ 75 Efetivo

    About The Job At Alignerr, we partner with the world’s leading AI research teams and healthcare innovators to modernize how digital technologies support patient care and clinical operations. As a Digital Health Strategist, you will help design, implement, and scale digital health solutions—including telemedicine, remote monitoring, wearable data, and...

  • AI Annotator

    Há 2 dias


    Rio de Janeiro, State of Rio de Janeiro, Brasil Innodata India Private Limited Tempo integral

    About the Project We are looking for native or near-native speakers to support an AI data annotation and translation project. The role involves reviewing, translating, and annotating content according to detailed guidelines to help improve the quality and accuracy of AI systems. Project Details - Work Type: Freelance / Remote - Commitment: Approx. 20...

  • Health Informatics Analyst Premium

    Há 2 dias


    Rio de Janeiro, Rio de Janeiro, Brasil Alignerr Remoto Tempo integral US$ 30 - US$ 65 Efetivo

    Health Informatics Analyst (AI Training) About The Role We're partnering with world-leading AI research labs to build smarter, more accurate AI systems — and we need healthcare informatics professionals to help get it right. As a Health Informatics Analyst, you'll bring your real-world expertise in EHR systems, clinical data, and health IT to evaluate...

  • Clinical Study Manager Premium

    Há 2 dias


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

    Clinical Study Manager (AI Training) About The Role What if your clinical trial expertise could directly shape how AI understands and advances healthcare research? We're looking for experienced Clinical Study Managers to oversee the operational execution of clinical trials — while contributing to some of the most ambitious AI projects in medicine...

  • Medical Science Liaison Premium

    Há 2 dias


    Rio de Janeiro, Rio de Janeiro, Brasil Alignerr Remoto Tempo integral US$ 35 - US$ 75 Efetivo

    Medical Science Liaison (MSL) — AI Training About The Role We're looking for experienced Medical Science Liaisons and clinical communications professionals to help build and validate AI systems trained on biomedical and life-science content. Your scientific expertise will directly shape how AI understands, interprets, and communicates complex medical...

  • Population Health Informaticist Premium

    Há 2 dias


    Rio de Janeiro, Rio de Janeiro, Brasil Alignerr Remoto Tempo integral US$ 35 - US$ 75 Efetivo

    Population Health Informaticist (AI Training) About The Role At Alignerr, we partner with the world's leading AI research teams and labs to build and train cutting-edge AI models. We're looking for Population Health Informaticists to bring their expertise to projects that sit at the intersection of public health and artificial intelligence. Your domain...

  • Oncology Clinical Researcher Premium

    Há 2 dias


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

    Oncology Clinical Researcher (AI Training) About The Role What if your deep expertise in cancer clinical trials could directly shape how AI understands and reasons about oncology — influencing the next generation of tools used by researchers, clinicians, and drug developers worldwide? We're looking for experienced Oncology Clinical Researchers to bring...

  • Principal Clinical Scientist Premium

    Há 2 dias


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

    Principal Clinical Scientist (AI Training) About The Role What if your career-long expertise in clinical trial design and regulatory science could directly shape how AI understands and reasons about clinical evidence? We're looking for a Principal Clinical Scientist to bring senior-level rigor to AI-driven research workflows. Your work will help ensure...


  • Rio de Janeiro, Rio de Janeiro, Brasil Alignerr Remoto Tempo integral US$ 35 - US$ 75 Efetivo

    About The Job At Alignerr, we partner with the world’s leading AI research teams and labs to build and train cutting-edge AI models. We are seeking experienced EMR/EHR Implementation Specialists to support healthcare organizations by configuring, deploying, and optimizing electronic medical record systems such as Epic and Cerner. In this role, you will...

  • Clinical Systems Analyst Premium

    Há 2 dias


    Rio de Janeiro, Rio de Janeiro, Brasil Alignerr Remoto Tempo integral US$ 30 - US$ 70 Efetivo

    Clinical Systems Analyst (AI Training) About The Role At Alignerr, we partner with the world's leading AI research teams and labs to build and train cutting-edge AI models. We're looking for experienced Clinical Systems Analysts to bring their real-world healthcare IT knowledge to AI — helping evaluate, improve, and validate how AI systems understand...

  • Nursing Informatics Specialist Premium

    Há 2 dias


    Rio de Janeiro, Rio de Janeiro, Brasil Alignerr Remoto Tempo integral US$ 35 - US$ 80 Efetivo

    Nursing Informatics Specialist (AI Training) About The Role Your clinical expertise is more valuable than ever — and not just at the bedside. We're looking for Registered Nurses and clinical informatics professionals to help train and evaluate AI systems designed for healthcare settings. Your real-world knowledge of nursing workflows, EHR systems, and...

  • AI Trainer

    Há 21 horas


    Rio de Janeiro, Rio de Janeiro, Brasil Toloka Annotators Remoto Tempo integral R$ 35.627 - R$ 50.742 Contrato

    Please submit your resume in English and indicate your level of English. At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. What We Do The Toloka Annotators connects individuals with Generative AI projects from leading tech innovators. Our mission is to unlock the full...


  • Rio de Janeiro, Rio de Janeiro, Brasil Mindrift Remoto Tempo integral R$ 60.854 Contrato

    AI Pilot Task Delivery Assistant (Freelance) 2 days ago Be among the first 25 applicants This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency. At Mindrift, innovation meets opportunity. We believe...

  • AI Model Evaluator

    Há 2 dias


    Rio de Janeiro, State of Rio de Janeiro, Brasil E-Solutions Tempo integral

    Role: AI Model Evaluator - Brazilian Portuguese Role Type : Contract ----2 Months | 8 hours/day | 5 days/week Role Location- Brazil (Remote) Candidate must be flexible from Monday to Sunday (with option with 2 days off) Flexible Hours: EST Overlap but 2 months of dedicated project Job description: We are looking for native/near-native Brazilian...