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.
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