CareerPlanSign in

Staff Machine Learning Engineer

São Paulo💼 Full-time🗓 2026-10-01 → 2026-10-02

Core

Define technical vision and architecture for ML-driven payment optimization, bridging strategy, architecture, and execution across multiple teams to scale ML capabilities.

Role type

Staff Machine Learning Engineer (Technical Leadership & Architecture)

Builds

Shared ML infrastructure (feature stores, model serving platforms, experimentation frameworks) and ML-driven payment optimization systems.

Domain

Fintech / Payments / Machine Learning

Deliverable

production ML models

Required skills

ML Architecture at Scale, Technical Leadership Without Authority, Classical & Applied ML Mastery, Production ML Engineering, Software Engineering Excellence, Strategic Thinking & Business Acumen, Payments Domain Depth, Cloud Infrastructure Mastery

Preferred skills

None stated

Technologies

Python, AWS, GCP, XGBoost, LightGBM

Responsibilities

Define multi-quarter roadmap for ML-driven authorization optimization and routing intelligence; Design and lead implementation of shared ML infrastructure; Author and champion organization-wide ML engineering standards; Solve ambiguous, high-stakes problems by scoping and leading execution across teams; Mentor and level up Senior engineers; Design experimentation strategy for live payment traffic including multi-armed bandits and causal inference.

Seniority

Staff, technical leadership & mentorship

Sourced via ashby · Listed on CareerPlan, which tracks 921,000+ jobs from 20+ sources.