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Cientista de Dados

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Cientista de Dados

Premium

Premium employer

Location

São Paulo, Avenida Francisco Matarazzo Ground Floor

Experience

Mid

Posted

Jul 10, 2026

Apply by

October 1, 2026

Applicants

0

Early applicantFull-timeHybrid

Sign in to apply on web or download the app for more options.

Job Description

We help partners understand the changing advertising landscape. Specialising in audience measurement, consumer targeting and in-depth intelligence into paid, owned and earned media, their global coverage and local expertise enable better understanding of media audiences and their relationships with brands. **Job Details** **Certifique-se de anexar seu currículo atualizado e a ciência de seu gestor no ato da candidatura!** **Propósito da função:** Projetar, experimentar e validar abordagens de IA agentiva e multimodal para resolver problemas operacionais e analíticos reais, transformando ideias desde a pesquisa estruturada até capacidades prontas para produção. **Principais responsabilidades:** - Pesquisar, projetar e criar protótipos de sistemas de IA agentiva capazes de raciocinar, planejar e agir em tarefas complexas. - Aplicar técnicas multimodais envolvendo texto, imagens, áudio e dados estruturados. - Desenvolver e testar hipóteses utilizando uma abordagem de pesquisa estruturada (definição do problema, experimentação, avaliação e iteração). - Definir métodos de avaliação para o comportamento dos agentes (qualidade, robustez, modos de falha e riscos). - Colaborar com engenheiros de software e dados para transformar pesquisas em soluções implementáveis. - Contribuir para estratégias de prompts, lógica de decisão dos agentes, padrões de uso de ferramentas e abordagens de memória. - Documentar descobertas de forma clara para apoiar reutilização, governança e evolução para ambientes de produção. **Experiência necessária:** - Experiência como cientista de dados ou profissional de IA aplicada. - Forte compreensão de sistemas modernos baseados em LLMs, além do simples uso de prompts. - Experiência prática com IA multimodal (por exemplo, texto combinado com visão computacional, áudio ou dados estruturados). - Capacidade de projetar experimentos controlados e interpretar seus resultados. - Sólidos conhecimentos em Python para experimentação e prototipagem. - Experiência trabalhando de forma colaborativa em equipes multidisciplinares. - Comunicação escrita e verbal em inglês nível avançado. - Superior completo desejável na área de tecnologia e formação complementar na área. **Diferenciais:** - Experiência com padrões agentivos (uso de ferramentas, ciclos de planejamento, memória e auto reflexão). - Familiaridade com gerenciamento de contexto, RAG (Retrieval-Augmented Generation), embeddings e busca vetorial. - Experiência com avaliação de IA, red teaming ou análise de riscos. - Experiência atuando em ambientes regulados ou de produção no mundo real. - Conhecimento em áreas como mídia, automação ou análise operacional. - Conhecimento da língua espanhola. **O que torna esta função interessante** - Trabalhar em sistemas reais de IA agentiva, e não apenas em demonstrações acadêmicas ou chatbots. - Aplicar pensamento de pesquisa rigoroso em um ambiente dinâmico e voltado para aplicações práticas. - Ver ideias evoluírem rapidamente de hipóteses para sistemas funcionais. - Colaborar de perto com engenheiros que estão definindo como a IA será utilizada em larga escala. **Candidaturas até 21/07/2026.** **Country** Brazil **Why join Fifty5Blue?** We pride ourselves on understanding people, and what makes us think and act the way we do. And because we know people, we like to make sure our own people are being looked after as well. Equality of opportunity for everyone is our highest priority and we support our colleagues to work in a way that supports their health and wellbeing. While we encourage teams to spend part of their working week in the office, we understand no one size fits all; our approach is flexible to ensure everybody feels included, accepted, and that we can win together. We’re dedicated to creating an inclusive culture and value the diversity of our people, clients, suppliers and communities, and we encourage applications from all backgrounds and sections of society. Even if you feel like you’re not an exact match, we’d love to receive your application and talk to you about this job or others at Fifty5Blue.

Key Responsibilities

  • Research, design, and create prototypes of agentive AI systems capable of reasoning, planning, and acting on complex tasks.
  • Apply multimodal techniques involving text, images, audio, and structured data.
  • Develop and test hypotheses using a structured research approach including problem definition, experimentation, evaluation, and iteration.
  • Define evaluation methods for agent behavior, including quality, robustness, failure modes, and risks.
  • Collaborate with software and data engineers to transform research into implementable solutions.
  • Contribute to prompt strategies, agent decision logic, tool usage patterns, and memory approaches.
  • Document discoveries clearly to support reuse, governance, and evolution for production environments.

Skills Required

PythonLLMsMultimodal AIPrompt EngineeringControlled ExperimentationData AnalysisCollaborationWritten CommunicationVerbal CommunicationProblem SolvingAgentive patternsContext managementRAG (Retrieval-Augmented Generation)EmbeddingsVector searchAI evaluationRed teamingRisk analysisSpanish language

Benefits

  • Flexible work approach
  • Inclusive culture
  • Support for health and wellbeing

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Job Overview

Salary

—

Job Type

Full-time

Experience

Mid

Location

São Paulo, Avenida Francisco Matarazzo Ground Floor

Application Deadline

October 1, 2026

Total Applicants

0

About Premium employer

P

Premium employer is a leading company in the Technology sector, known for innovation and employee-centric culture.

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