Lead Machine Learning Engineer

The role

Machine Learning Engineers build, train, and deploy models for credit, fraud, risk, and personalization. They work across the full modeling lifecycle including feature engineering, deployment, and monitoring.

What you will do

• Frame ambiguous business problems as well-defined modeling problems
• Design, build and validate machine learning models
• Engineer and maintain features and datasets
• Deploy and maintain ML models in batch and real-time scenarios
• Lead modeling projects end-to-end
• Contribute to the design, documentation, maintenance and optimization of modeling codebase and platforms
• Translate business needs into modeling strategies
• Partner with technical and business stakeholders
• Share knowledge and mentor peers

Required qualifications

• Strong foundation in statistics, machine learning theory and modeling techniques
• Programming experience in Python
• Familiarity with ML libraries (e.g. scikit-learn, PyTorch, TensorFlow, XGBoost)
• Experience training, validating, and tuning models
• Understanding of the ML model lifecycle
• Ability to write efficient SQL queries
• Strong communication skills

Nice to have

• Experience with cloud platforms such as AWS, GCP or Azure
• Familiarity with distributed systems, microservices and asynchronous architectures
• Experience with feature stores, MLOps tooling and experiment tracking
• Knowledge of data architecture patterns
• Experience with data visualization tools
• Knowledge of software engineering best practices

Benefits

• Chance of earning equity at Nubank
• Food/Meal Card (Vale-Refeição and/or Vale Alimentação)
• Public Transportation Commuting Benefit (Vale-Transporte)
• NuCare – Psychological, Financial and Legal Assistance Program
• Life Insurance, Medical Plan and Dental Plan
• NuLanguage – Language Course Program
• Nucleo – Our learning platform
• Extended Parental Leave, Daycare Allowance and Parental Consultancy
• Work-from-home Allowance
• Gym Partnerships
• 30 days of paid vacation
• Relocation Assistance Package, if applicable

Before you apply

• Recruitment process may involve the use of artificial intelligence–enabled tools
• Nu does not provide individualized technical feedback

About the company

Nu serves more than 140 million customers with a mission to fight complexity and empower people. The company uses proprietary technology and data at scale to power its digital platform.