evaluation

4,944 vagas de evaluation em Brasil. Encontre vagas atualizadas diariamente.


  • , Brasil Rex.zone Remoto Tempo integral R$ 36.000 - R$ 60.000 Contrato

    Overview Remote, full-time AI/ML data operations role supporting LLM training pipelines from Brazil. You will deliver high-quality annotations, evaluations, and QA using clear rubrics and strict guideline compliance. What You Will Do Perform AI data annotation and data labeling for LLM training datasets Complete RLHF preference ranking, prompt evaluation,...


  • , 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 Rex.zone Remoto Tempo integral R$ 216.603 - R$ 361.006 Contrato

    Remote STEM Jobs in BrazilRex.zone connects remote professionals with AI/ML and engineering work that strengthens model training pipelines, improves dataset reliability, and supports scalable evaluation operations across distributed teams.Remote STEM Jobs in BrazilRex.zone connects remote professionals with AI/ML and engineering work that strengthens model...

  • Data Annotator

    Há 18 horas


    Brasília, Federal District, Brasil 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...


  • , Brasil Rex.zone Remoto Tempo integral R$ 216.603 - R$ 361.006 Contrato

    AI Prompt Engineer Jobs in Brazil (Remote) Design, test, and evaluate prompts and system instructions to improve large language model outputs for production workflows. You will build prompt libraries, run A/B tests, support RLHF-ready artifacts, and partner with engineering teams to ship reliable prompt templates for tools, agents, and RAG use cases. Key...

  • Data Annotator

    Há 2 dias


    Curitiba, State of Paraná, Brasil 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...


  • , Brasil Gramian Consulting Tempo integral R$ 392.927 - R$ 589.390 Contrato

    Role Overview We are looking for experienced Cybersecurity Experts to contribute to the development of advanced evaluation environments for frontier AI systems. In this role, you will create realistic security-focused coding scenarios that assess how AI models understand software vulnerabilities, exploit chains, secure coding practices, and complex attack...


  • , Brasil Crossing Hurdles Tempo integral R$ 35.240 - R$ 50.191 Contrato

    Position: Speech AI Evaluation Specialist Portuguese (Brazil) Type: Hourly contract Compensation: $6 USD/hour Location: Remote (Brazil) Commitment: 10-40 hours/week Role Responsibilities Participate in short voice conversations with AI models using a designated platform. Follow provided scenarios and prompts during AI voice interactions. Evaluate...

  • Machine Learning Premium

    Há 2 dias


    Brazil Jobgether Remoto Tempo integral R$ 70 - R$ 100 Efetivo

    This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Machine Learning (ML) AI Task Auditor - Freelance AI Trainer Project based in Brazil. This freelance opportunity is designed for experienced Machine Learning professionals who want to apply their technical expertise to the...

  • Data Annotator

    Há 3 dias


    , Brasil 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 3 dias


    Rio de Janeiro, State of Rio de Janeiro, Brasil 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 3 dias


    São Paulo, State of São Paulo, Brasil 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 3 dias


    Fortaleza, State of Ceará, Brasil 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...

  • SWE-Bench AI Task Auditor Premium

    Há 2 dias


    Brazil Jobgether Remoto Tempo integral R$ 70 - R$ 100 Efetivo

    This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a SWE-Bench AI Task Auditor - Freelance AI Trainer Project based in Brazil. This freelance opportunity is designed for experienced software engineering professionals who want to contribute their expertise to the development and...

  • AWS Trainium/NKI Premium

    Há 2 dias


    Brazil Jobgether Remoto Tempo integral R$ 70 - R$ 100 Efetivo

    This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a AWS Trainium/NKI (TRN) AI Task Auditor - Freelance AI Trainer Project based in Brazil. This freelance opportunity is designed for experienced technical specialists with deep expertise in AWS Trainium and the Neuron Kernel...


  • Brazil Jobgether Remoto Tempo integral R$ 70 - R$ 100 Efetivo

    This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a CVE & Application Security AI Task Auditor - Freelance AI Trainer Project based in Brazil. This freelance opportunity is designed for experienced application security professionals who want to apply their expertise to the...

  • Data Annotator

    Há 6 horas


    Recife, State of Pernambuco, 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...

  • Data Annotator

    Há 6 horas


    Salvador, State of Bahia, 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...

  • Data Annotator

    Há 6 horas


    Manaus, State of Amazonas, 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...

  • Data Annotator

    Há 6 horas


    Belo Horizonte, State of Minas Gerais, 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...