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Machine Learning Engineer Sr

Brasil🌐 Remote💼 Full-time🗓 2026-09-26 → 2026-09-27

Core

Design and build the ML engineering for the pricing engine's inference serving, training pipelines, and feature engineering to run complex models in real-time with low latency on Ray.

Role type

Senior Machine Learning Engineer (Pricing/Inference)

Builds

Real-time pricing models, distributed training pipelines, and feature stores

Domain

Fintech / Pricing & Revenue Management

Deliverable

production ML models

Required skills

Python, ML serving, distributed training, feature engineering, optimization (linear programming), RL, low-latency inference, MLOps, Docker, AI-assisted development

Preferred skills

Ray ecosystem (Serve, Train, Tune, RLlib), Feast/Redis feature stores, Gurobi/HiGHS solvers, generative AI serving (vLLM, LiteLLM), multi-tenant architectures

Responsibilities

Design inference pipelines for model composition and low latency; build distributed training pipelines with resilient checkpointing; define and materialize features in a feature store; implement and optimize optimization and RL components; monitor model drift and produce explainability; provide technical leadership and mentorship

Seniority

Senior, hands-on IC with leadership

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