Experian

Machine Learning Junior

São Carlos, SP
Python PyTorch TensorFlow Hugging Face API Machine Learning
Description

Machine Learning Júnior

Location: São Carlos, SP, br

Company Description

A Serasa Experian é a primeira e a maior Datatech do Brasil. Líder em soluções de inteligência para análise de riscos e oportunidades, com foco nas jornadas de crédito, autenticação e prevenção à fraude. Com tecnologia de ponta, inovação e os melhores talentos, transforma a incerteza do risco na melhor decisão, ajudando pessoas a realizarem seus sonhos e empresas de todos os portes e segmentos a prosperarem.

Temos 22.000 pessoas operando em 32 países e a cada dia estamos investindo em novas tecnologias, profissionais talentosos e inovação para ajudar todos os clientes a maximizarem cada oportunidade. Com sede corporativa em Dublin, Irlanda, a Experian está listada na Bolsa de Valores de Londres (EXPN) e compõe o índice FTSE 100.

Job Description

To design, build, and optimize production‑ready AI components that power Experian’s GenAI and data‑driven products. This role contributes directly to scalable model deployment, robust MLOps practices, and high‑performance ML services that enable engineering and product teams across ESS. 

  • Develop and deploy AI applications (e.g., agents) that meet functional and non‑functional requirements by building accurate, clean, testable code, and exposing scalable inference endpoints. 
  • Implement MLOps best practices across the lifecycle—experiment tracking, model/version registry, CI/CD for data & models, automated testing, and rollout/rollback patterns.
  • Build and maintain data & training pipelines (feature extraction, validation, drift checks) using cloud services and orchestration tools.
  • Integrate models with platform services (APIs, gateways, auth, logging/metrics) in partnership with platform and security teams.
  • Optimize performance and cost for training and inference (batching, quantization, caching, GPU utilization).
  • Operational excellence: participate in on‑call/incident response, root‑cause analysis, and reliability hardening (alerts, SLOs, canaries).
  • Documentation and knowledge sharing (READMEs, runbooks, diagrams) and code reviews.
  • Cross‑functional collaboration with product, data, and platform teams to refine requirements, scope work, and deliver on agreed timelines. 
  • Compliance, security, and responsible AI practices in day‑to‑day work (data handling, privacy, model monitoring for drift/quality). 

 

Qualifications

  • Advanced English and availability to work hybrid in São Carlos/SP.
  • Strong foundational Python skills, with hands-on experience or coursework using modern ML and LLM frameworks such as PyTorch, TensorFlow, Hugging Face, or similar libraries 
  • Exposure to agentic AI concepts and implementations, including basic tool-calling, multi-step reasoning workflows, prompt chaining, or human-in-the-loop approaches through projects, internships, or academic work 
  • Understanding of the ML and LLM lifecycle, including data preparation, experimentation, model training, evaluation, and basic deployment or inference workflows 
  • Familiarity with deploying and running ML models, including model serving fundamentals, simple APIs, or batch inference pipelines (production experience not required) 
  • Awareness of best practices around reproducibility and monitoring, such as experiment tracking, version control, and basic model performance checks 
  • Ability to learn and collaborate in a team environment, communicate technical ideas clearly, and grow under mentorship from senior engineers 

Additional Information

Por que esta função é importante

Esta função protege a reputação da Experian e garante operações éticas e em conformidade em todo o Brasil. Ao combinar rigor regulatório com soluções pragmáticas e visão comercial, o Head de Compliance possibilita crescimento sustentável e protege os interesses de clientes, colaboradores e stakeholders.

A Serasa Experian é muito mais do que você imagina. Com o propósito de criar um futuro melhor, ampliando oportunidades para pessoas e empresas, no Brasil somos mais de 4 mil pessoas que atuam em diversos times e especialidades. Aqui, cada conhecimento e diversidade se complementa e você pode trabalhar no que mais ama, estamos comprometidos a construir uma cultura inclusiva e um ambiente no qual pessoas possam equilibrar a carreira com seus compromissos e interesses pessoais, prezando pelo bem-estar.

A gente se dedica muito em ser uma das melhores e mais inovadoras empresas para se trabalhar do país, possibilitando experiências e carreiras incríveis para nossas pessoas. Nossa forte abordagem de pessoas em primeiro lugar é reconhecida externamente por meio de diversas certificações de mercado: fomos premiados pelo Great Place To Work™ em 24 países e pela certificação internacional Top Employers, além de sermos reconhecidos como uma das melhores empresas para jovens profissionais e contarmos com uma avaliação de 4,6 no Glassdoor. Cada reconhecimento nos indica que estamos no caminho certo, proporcionando um ambiente de trabalho cada vez melhor para nossos talentos.

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