Science jobs in Brazil

• J

  Clinical Research Associate II

  Yesterday

  Jobgether · Brazil

  RemoteFull-timeEntry levelScience & research

  We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final…

• J

  Senior Clinical Research Associate

  Yesterday

  Jobgether · Brazil

  RemoteFull-timeSeniorScience & research

  We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final…

• A

  Head of Research

  3 days ago

  Avra · Brazil

  RemoteFull-timeDirectorScience & research

  We are a small group of researchers, engineers, and company builders, with our home in São Paulo and a team spread across San Francisco, Latin America, and Europe. Research is one team working on one portfolio: pretraining, post-training, data, and evaluation for our foundation…

• AA

  Biology Expert (ALE)

  2 weeks ago

  Anyone AI · Mexico City, Mexico +14

  RemoteContractLead / staff$30.00 – $80.00 an hourScience & research

  Anyone AI is seeking Biology Experts to create challenging, realistic tasks that test AI agents’ ability to solve problems in biological research. You will develop original tasks and reference solutions, then evaluate agents completing workflows using scientific tools and…

• T

  Chemistry Master's and PhDs: Paid Expert Contributions

  2 weeks ago

  Terac · Brazil

  RemoteContractLead / staffFrom $77.00 an hourScience & research

  Review and evaluate advanced chemical concepts and complex data sets; Answer highly technical questions related to your specific chemistry sub-discipline; Provide detailed written analysis and scientific feedback on various technical tasks; Walk us through your analytical…

• AA

  Bioinformatics Expert

  2 months ago

  Anyone AI · Buenos Aires, Distrito Federal, Argentina +5

  RemoteContractLead / staff$40.00 an hourScience & research

  We create high-quality STEM training data for frontier AI models. Our data is used directly in training and evaluation pipelines at leading AI labs to improve model reasoning in technical domains.

• AA

  Bioinformatics Expert

  2 months ago

  Anyone AI · Buenos Aires, Distrito Federal, Argentina +5

  RemoteContractLead / staff$40.00 an hourScience & research

  We create high-quality STEM training data for frontier AI models. Our data is used directly in training and evaluation pipelines at leading AI labs to improve model reasoning in technical domains.

• VA

  AI Research

  2 months ago

  Vetto AI · LDN +2

  RemoteScience & research

  Vetto builds the infrastructure for next-generation AI training data. We partner with the world’s top AI labs to push the frontier of what models can do — by designing, collecting, and delivering the highest-quality training data for the hardest problems in AI.

• AA

  Research Scientist (Remote/US/LATAM)

  4 months ago

  Anyone AI · Mexico City, Mexico +10

  RemoteContractScience & research

  Evaluation research. Turn eval targets into original benchmark designs. Own the hard measurement questions: construct validity, item discrimination, headroom, reliability, contamination, and capability elicitation. Push toward evals that stay informative as models improve.;…

• S

  Technical Researcher / Writer

  4 months ago

  SearchApi · Lithuania +49

  RemoteFull-timeScience & research

  Write "Best X API" comparisons backed by real benchmarks. You code the tests, run them, and publish the method alongside the result.; Run estimations over time. Re-measure, track how things change, and update the work so it stays true.; Test and review tools. No-code platforms,…

• A

  Senior Research Scientist

  5 months ago

  adaption · United States +9

  RemoteFull-timeSeniorScience & research

  This is a research role focused on building models that continuously evolve with the world. Our frontier work centers on efficiency, gradient-free exploration, real-time learning, and interface design. The most intelligent systems will increasingly be defined not just by what…

• A

  Member of Technical Staff, Research — Relational Foundation Models

  6 months ago

  Avra · Brazil

  RemoteFull-timeLead / staffScience & research

  We are a small group of researchers, engineers, and company builders, with our home in São Paulo and a team spread across San Francisco, Latin America, and Europe. We hire at all levels. The scope you take on comes from what you've shown, not from a title.

• A

  Research Scientist

  7 months ago

  adaption · United States +11

  RemoteFull-timeMid levelScience & research

  This is a research role which is focused on real world impact. We care about building our frontier innovation around efficiency, gradient free exploration, real time learning and interface design. A revolution is underway where the cost of generating synthetic data is now low…

• IO

  Talent Researcher - Brazil

  18 months ago

  Insider One · São Paulo, Brazil

  HybridFull-timeScience & research

  Expanding pipelines for all positions in 3 different countries;; Coordinating the recruiting process for all positions while optimizing the quality of new hires, time to hire and cost to hire;; Maintaining candidate databases via an applicant tracking system;; Interacting with…

• LI

  Research Specialist

  71 months ago

  Lever Implementation Training Environment · Rio, Brazil

  Science & research

  PLEASE READ: these jobs are testing jobs of Lever's testing environment - please do not apply for this job.

Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.