Brex
Data Scientist II, Applied ML
São Paulo, São Paulo, Brazil +1 · Full-time · Posted Aug 20, 2026
- Location
- São Paulo, São Paulo, Brazil
San Francisco, California, United States - Experience
- 3+ years in Data Science/ML roles, or 2+ years with a PhD in a quantitative field.
About the job
Develops and deploys machine-learning solutions to manage risk and improve customer experience, owning models from problem definition through production monitoring and business impact.
What you'll do
- Drive Data & AI solutions from inception to deployment.
- Own the machine-learning lifecycle, including problem identification, model design, training, productionization, and monitoring.
- Partner with Operations, Engineering, Product, Fraud, Compliance, and Credit teams.
What they ask for
- Demonstrated ability to own end-to-end model development, including productionization.
- Expertise in Python programming, SQL queries, and ML-related frameworks.
- Ability to apply statistical techniques such as hypothesis testing and A/B testing.
- Strong software engineering fundamentals, including API development and integrating ML systems into production services.
Nice to have
- Experience working with real-time models; advanced degree (MSc/PhD) or published research in Machine Learning or a related field.
- Experience in risk (fraud, AML, and/or credit), customer-facing ML models, or fintech.
Tools
Python, SQL
AI focus
Builds and productionizes machine-learning models and AI solutions for risk management and customer experience.
Model-written summary · the original posting is authoritative