data annotation

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

  • Copy of CFD Premium

    Há 1 mês


    São Paulo, São Paulo, Brasil Upwork Remoto Tempo integral US$ 80 - US$ 110 Efetivo

    An enterprise client is seeking CFD & Aerodynamic Engineers to help train and evaluate next-generation AI systems by contributing real-world engineering expertise. This opportunity is offered by a leading AI data platform that enables organizations to build intelligent applications powered by high-quality human expertise. Job Description This opportunity...

  • POV Video Recording Job Premium

    Há 1 mês


    Recife, Pernambuco, Brasil Mindrift Data Annotation Projects Remoto Meio período US$ 6 Efetivo

    Looking for a flexible way to earn extra income? We're inviting people to take part in an exciting AI training project by recording real, everyday activities from the comfort of your home. No studio, no special equipment — just you, your smartphone, and your daily routine. Record whenever it's convenient for you, using your own device, while doing...

  • POV Video Recording Job Premium

    Há 1 mês


    Brasília, Federal District, Brasil Mindrift Data Annotation Projects Remoto Meio período US$ 6 Efetivo

    Looking for a flexible way to earn extra income? We're inviting people to take part in an exciting AI training project by recording real, everyday activities from the comfort of your home. No studio, no special equipment — just you, your smartphone, and your daily routine. Record whenever it's convenient for you, using your own device, while doing...

  • POV Video Recording Job Premium

    Há 1 mês


    Belo Horizonte, Minas Gerais, Brasil Mindrift Data Annotation Projects Remoto Meio período US$ 6 Efetivo

    Looking for a flexible way to earn extra income? We're inviting people to take part in an exciting AI training project by recording real, everyday activities from the comfort of your home. No studio, no special equipment — just you, your smartphone, and your daily routine. Record whenever it's convenient for you, using your own device, while doing...

  • POV Video Recording Job Premium

    Há 1 mês


    Rio de Janeiro, Rio de Janeiro, Brasil Mindrift Data Annotation Projects Remoto Meio período US$ 6 Efetivo

    Looking for a flexible way to earn extra income? We're inviting people to take part in an exciting AI training project by recording real, everyday activities from the comfort of your home. No studio, no special equipment — just you, your smartphone, and your daily routine. Record whenever it's convenient for you, using your own device, while doing...

  • POV Video Recording Job Premium

    Há 1 mês


    São Paulo, São Paulo, Brasil Mindrift Data Annotation Projects Remoto Meio período US$ 6 Efetivo

    Looking for a flexible way to earn extra income? We're inviting people to take part in an exciting AI training project by recording real, everyday activities from the comfort of your home. No studio, no special equipment — just you, your smartphone, and your daily routine. Record whenever it's convenient for you, using your own device, while doing...


  • Brasil Alignerr Tempo integral

    About The JobAt 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...

  • Chemical Engineer

    Há 2 meses


    Brasil SME Careers Tempo integral

    If you are a chemical engineer who thrives on technical precision, applied problem-solving, and real-world process reasoning, this is a unique opportunity to contribute directly to how the next generation of AI systems understand and communicate complex chemical engineering concepts. We are looking for chemical engineering specialists who can...

  • AI Trainer Premium

    Há 2 meses


    São Paulo, São Paulo, Brasil Mindrift Data Annotation Projects Remoto Meio período US$ 9 Efetivo

    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...


  • Brasil Thoth AI Meio período

    LLM Response Evaluator & Content Annotator — Portuguese (Brazil) Location: Remote, Brazil Engagement: Part-time with a flexibal time schedule We are hiring Brazilian Portuguese speakers to support an LLM (Large Language Model) response evaluation and content-improvement project. In this role, you will review and...

  • Data entry specialist

    Há 2 meses


    Guarapari, Brasil Insight Global Tempo integral

    Descrição do trabalho Salário: R$ 3.316 Type: 12 Month ContractLocation: Brazil, Fully RemoteRate: $1,659 BRL R$/month - $3,316 BRL R$/monthJOB DESCRIPTIONTheir day to day includes accurately labeling machine learning textual data to refine AI models. This will primarily involve annotating large volumes of...

  • Data entry specialist

    Há 2 meses


    Serra, Brasil Insight Global Tempo integral

    Descrição do trabalho Salário: R$ 3.316 Type: 12 Month ContractLocation: Brazil, Fully RemoteRate: $1,659 BRL R$/month - $3,316 BRL R$/monthJOB DESCRIPTIONTheir day to day includes accurately labeling machine learning textual data to refine AI models. This will primarily involve annotating large volumes of...

  • Data quality analyst

    Há 2 meses


    Linhares, Brasil Insight Global Tempo integral

    Descrição do trabalho JOB DESCRIPTIONTheir day to day includes accurately labeling machine learning textual data to refine AI models. This will primarily involve annotating large volumes of textual data according to predefined guidelines. This person must be able to read, write and summarize at a high volume and high accuracy....

  • Data entry specialist

    Há 2 meses


    Tocantins, Brasil Insight Global Tempo integral

    Descrição do trabalho Salário: R$ 3.316 Type: 12 Month ContractLocation: Brazil, Fully RemoteRate: $1,659 BRL R$/month - $3,316 BRL R$/monthJOB DESCRIPTIONTheir day to day includes accurately labeling machine learning textual data to refine AI models. This will primarily involve annotating large volumes of...

  • Data entry specialist

    Há 2 meses


    Linhares, Brasil Insight Global Tempo integral

    Descrição do trabalho Salário: R$ 3.316 Type: 12 Month ContractLocation: Brazil, Fully RemoteRate: $1,659 BRL R$/month - $3,316 BRL R$/monthJOB DESCRIPTIONTheir day to day includes accurately labeling machine learning textual data to refine AI models. This will primarily involve annotating large volumes of...

  • Data quality analyst

    Há 2 meses


    Tocantins, Brasil Insight Global Tempo integral

    Descrição do trabalho JOB DESCRIPTIONTheir day to day includes accurately labeling machine learning textual data to refine AI models. This will primarily involve annotating large volumes of textual data according to predefined guidelines. This person must be able to read, write and summarize at a high volume and high accuracy....

  • Data quality analyst

    Há 2 meses


    Vila Velha, Brasil Insight Global Tempo integral

    Descrição do trabalho JOB DESCRIPTIONTheir day to day includes accurately labeling machine learning textual data to refine AI models. This will primarily involve annotating large volumes of textual data according to predefined guidelines. This person must be able to read, write and summarize at a high volume and high accuracy....

  • Data quality analyst

    Há 2 meses


    Guarapari, Brasil Insight Global Tempo integral

    Descrição do trabalho JOB DESCRIPTIONTheir day to day includes accurately labeling machine learning textual data to refine AI models. This will primarily involve annotating large volumes of textual data according to predefined guidelines. This person must be able to read, write and summarize at a high volume and high accuracy....

  • Head of AI

    Há 2 meses


    Brasil ambi.scout Tempo integral

    Head of AI | 100% Remote About The OpportunityWe are seeking a Head of AI Research to lead the development and execution of cutting-edge initiatives focused on Large Language Models (LLMs), post-training, evaluation frameworks, reasoning systems, and AI data operations. This role sits at the intersection of AI...


  • Porto Alegre, Brasil MatchaTalent Meio período

    This role requires the candidate to work remotely on a part-time basis from Italy. Client Overview Our client is a global artificial intelligence technology company specializing in the development of advanced large language models (LLMs), speech recognition technologies, multilingual AI systems, and data annotation solutions. The organization...