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Machine learning engineer sr.

Leega Consultoria

Stack & Ferramentas 

  • ML serving & treino: Ray (Serve, Train, Tune, Data, RLlib) 
  • Registry & features: MLflow, Feast + Redis 
  • Otimização: programação linear (Gurobi, HiGHS), RL offline 
  • Linguagem & runtime: Python; Docker; leitura de Iceberg 

O que Buscamos 

Essenciais 

  • Experiência comprovada colocando modelos de ML em produção. 
  • Python e fundamentos sólidos de Engenharia de Software (APIs, testes, código limpo).
  • Serving e otimização de inferência para baixa latência. 
  • Familiaridade com containers (Docker) e com fluxos de MLOps (registry, deploy).
  • Conforto com desenvolvimento assistido por IA (Claude Code). 

Diferenciais 

  • Ecossistema Ray (Serve, Train, Tune, RLlib) forte diferencial. 
  • Feature stores (Feast) e serving de baixa latência com Redis em escala.
  • Otimização/solvers (Gurobi, HiGHS) ou revenue management em tempo real; RL offline. 
  • Serving de IA generativa (vLLM, LiteLLM) e arquiteturas multi-tenant.

Sobre a oportunidade

Você é quem conecta o protótipo à produção. Vai desenhar e construir a engenharia de ML do motor de precificação o serving de inferência, os pipelines de treino e a engenharia de features para que modelos complexos rodem em tempo real, com baixa latência, sobre Ray. Foca na modelagem e no código de ML; a plataforma e o runtime ficam com o time de MLOps/Plataforma, com quem você trabalha lado a lado. 

Seus Desafios 

  • Serving de inferência desenhar o pipeline de modelos encadeados sobre Ray Serve composição de modelos, baixa latência e estratégias de atualização. 
  • Treino distribuído construir pipelines de treino (Ray Train/Data), HPO (Ray Tune) e modelos treinados por tenant, com checkpointing resiliente. 
  • Engenharia de features definir e materializar features no feature store (Feast/Redis), garantindo consistência entre treino e produção. 
  • Otimização e RL implementar e otimizar os componentes de otimização (programação linear) e de RL offline do pipeline de preço. 
  • Qualidade do modelo monitorar drift do ponto de vista de modelagem, validar versões e produzir explicabilidade (SHAP) em parceria com MLOps. 
  • Liderança técnica atuar como referência, mentorar e definir, com o time, o que é viável e escalável. 

Você faz o handoff com os cientistas de dados, recebe dados dos data engineers e entrega ao time de MLOps/Plataforma para deploy e operação. 

Vaga publicada há 8 horas atrás
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