data annotation

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


  • , Brasil Crossing Hurdles Tempo integral R$ 34.440 - R$ 82.656 Contrato

    Type: Short-Term ContractLocation: RemoteCommitment: Part-time (20-40 hours/week)Engagement Length: 1-2 weeksStart Date: ImmediateRole ResponsibilitiesRecord high-quality Italian voice samples for AI training projectsDeliver voice recordings with clear speech, natural emotion, and accurate pacingInterpret scripts and adapt performances based on project...


  • , Brasil Crossing Hurdles Tempo integral R$ 82.656 - R$ 137.760 Contrato

    Type: Short-Term ContractLocation: RemoteCommitment: Part-time (20 - 40 hours/week)Engagement Length: 1-2 weeksStart Date: ImmediateRole ResponsibilitiesRecord high-quality Portuguese (Brazil) voice samples for AI training projectsDeliver voice recordings with clear speech, natural emotion, and accurate pacingInterpret scripts and adapt performances based on...

  • AI Model Evaluator

    Há 3 dias


    Manaus, State of Amazonas, 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...


  • , 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...


  • 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...

  • AI Model Evaluator

    Há 3 dias


    Recife, State of Pernambuco, 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...


  • , Brasil Alignerr Remoto Tempo integral

    Clinical Business Intelligence Manager (AI Training) About The Role What if your deep expertise in clinical analytics could directly influence how AI understands and reasons about healthcare data? We're looking for experienced Clinical Business Intelligence Managers to lead analytics projects that sit at the intersection of healthcare and cutting-edge AI...

  • Senior QA Analyst Premium

    Há 9 horas


    Brasil (Remote) ArcTouch Remoto Tempo integral

    * This is a position for our Talent Pool. Once you begin the process with us, you'll go through our interview process and, if approved, you'll be added to our Talent Pool. As soon as we receive an opportunity that matches your profile, you'll be among the first candidates we contact to move forward.   WANTED: Thinkers, Builders & Dreamers For over 15 years,...


  • , Brasil Turing Remoto Tempo integral R$ 287.000 - R$ 573.000 Contrato

    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. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in...


  • , Brasil Crossing Hurdles Tempo integral R$ 68.880 - R$ 137.760 Contrato

    Type: Short-Term ContractLocation: RemoteCommitment: Part-time (20-40 hours/week)Engagement Length: 1-2 weeksStart Date: ImmediateRole ResponsibilitiesRecord high-quality Italian voice samples for AI training projectsDeliver voice recordings with clear speech, natural emotion, and accurate pacingInterpret scripts and adapt performances based on project...

  • Threat Intelligence Analyst Premium

    Há 1 dia


    Rio de Janeiro, Rio de Janeiro, Brasil Alignerr Remoto Tempo integral US$ 35 - US$ 60 Efetivo

    Threat Intelligence Analyst (AI Training) About The Role We're looking for experienced threat intelligence professionals to help train and evaluate cutting-edge AI systems. Your hands-on knowledge of adversary campaigns, attack narratives, and real-world CTI workflows will directly shape how AI understands and reasons about cybersecurity threats. This is...

  • Governance, Risk Premium

    Há 1 dia


    Rio de Janeiro, Rio de Janeiro, Brasil Alignerr Remoto Tempo integral US$ 30 - US$ 55 Efetivo

    Governance, Risk & Compliance (GRC) Analyst (AI Training) About The Role We partner with the world's leading AI research teams and labs to build and train cutting-edge AI models. Right now, we're looking for experienced GRC professionals to help us develop high-quality datasets and evaluation frameworks that teach AI how security policy, compliance, and...

  • Oncology Clinical Researcher Premium

    Há 2 dias


    , Brasil Alignerr Remoto Tempo integral

    Oncology Clinical Researcher (AI Training) About The Role What if your deep knowledge of cancer clinical trials could directly shape how AI understands and reasons about oncology — influencing the tools that will define the future of cancer care? We're looking for experienced Oncology Clinical Researchers to bring real-world clinical rigor into...

  • Mathematics Specialist Premium

    Há 7 horas


    , Brasil Alignerr Remoto Tempo integral

    Mathematics Specialist (Masters/PhDs) - AI Training About The Role What if your deep expertise in mathematics could directly shape how AI reasons through the world's hardest problems? We're looking for Mathematics Specialists with advanced degrees to help train and evaluate cutting-edge AI models — ensuring they can think rigorously, solve complex...

  • Clinical Study Manager Premium

    Há 3 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...


  • Rio de Janeiro, Rio de Janeiro, Brasil Alignerr Remoto Tempo integral US$ 35 - US$ 60 Efetivo

    Network & Infrastructure Security Analyst (AI Training) About The Role We partner with the world's leading AI research labs to build smarter, more capable AI systems — and we need real security practitioners to make it happen. As a Network & Infrastructure Security Analyst, your hands-on experience with firewalls, EDR, SIEMs, and enterprise environments...

  • Econometrics Instructor Premium

    Há 3 dias


    , Brasil Alignerr Remoto Tempo integral

    Econometrics Instructor (AI Training) About The Role We're looking for experienced econometrics instructors and quantitative economists to help evaluate and improve AI systems trained on economic reasoning and statistical analysis. Your expertise will directly shape how AI understands and explains complex econometric concepts — making a real impact on...


  • São Paulo, São Paulo, Brasil Dorado Tempo integral R$ 34.000 - R$ 55.000 Contrato

    Audio Transcript Editor - Brazilian Portuguese (AI Training) About the Role What if your sharp ears and precision with language could directly improve how AI understands spoken Portuguese? We're looking for detail-oriented Audio Transcript Editors based in São Paulo and across Brazil to review, clean up, and correct machine-generated audio transcripts in...


  • São Paulo, São Paulo, Brasil Alignerr Remoto Tempo integral US$ 10 - US$ 35 Efetivo

    About The Role What if your sharp ear for spoken Brazilian Portuguese could directly shape how AI understands and processes one of the world's most widely spoken languages? We're looking for detail-oriented transcriptionists based in and around São Paulo to produce accurate, high-quality transcriptions of spoken audio — helping build the datasets that...

  • Medical Science Liaison Premium

    Há 3 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...