Model Auditor

Nu is one of the largest digital financial platforms in the world, with more than 122 million customers across Brazil, Mexico, and Colombia. Guided by our mission to fight complexity and empower people, we are redefining financial services in Latin America and this is still just the beginning of the purple future we're building.

Listed on the New York Stock Exchange (NYSE: NU), we combine proprietary technology, data intelligence, and an efficient operating model to deliver financial products that are simple, accessible, and human.

Our impact has been recognized by global rankings such as Time 100 Companies, Fast Company's Most Innovative Companies, and Forbes World's Best Bank. Visit our institutional page   

Being a Model Auditor at Nubank is different from being a traditional auditor. In a digital bank driven by data, Machine Learning, and Artificial Intelligence, our audit function also embraces technology to assess risks predictively and continuously.

This position is fundamental to Nu's success. You will be part of the Internal Audit team, focusing on Financial Risks (Credit, Market, Liquidity, and Capital). Your primary goal will be to provide assurance on Nubank's financial models

Your main challenge will be to translate statistical and data concepts into auditable financial risks. Your activities will include:

• Evaluating and critiquing risk models (including statistical and Machine Learning models), from their conception, development, and validation to their ongoing monitoring.
• Applying your knowledge of mathematics and statistics to analyze the robustness, performance, and adherence of these models.
• Executing audit tests using data analysis, you will be expected to explore large volumes of data to identify risks, biases, or control failures.
• Leading technical discussions with stakeholders (such as Data Scientists, Engineers, and the Risk team) and communicating audit findings clearly, objectively, and constructively (both verbally and in writing).
• Preparing audit reports and following up on the implementation of action plans to remediate identified vulnerabilities.

• Strong knowledge in mathematics and statistics, and experience applying these concepts to analyze or build models (whether in data science, credit, finance, or related fields).
• Practical experience with data analysis. While you don't need to master a specific language (like Python or SQL), you must have experience in extracting, manipulating, and analyzing data to generate insights.
• Excellent verbal and written communication skills. You know how to explain complex technical concepts in simple terms to various audiences.
• An analytical and problem-solving profile, with strong critical thinking skills to break down complex problems and propose solutions.
• Is organized and detail-oriented, without losing sight of the big picture.
• Previous experience or knowledge in Internal Audit, Internal Controls, or Risk Management (especially Credit Risk or Market Risk) is a plus
• Knowledge of the financial market, credit products, or fintechs is a plus

• 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
• Dental Plan
• NuLanguage – Language Course Program
• Nucleo - Our learning platform of courses
• Extended Parental Leave
• Daycare Allowance
• Parental Consultancy
• Work-from-home Allowance
• Gym Partnerships
• 30 days of paid vacation
• Relocation Assistance Package, if applicable

Location for this opportunity (City, Country)

• São Paulo, Brazil 

Hybrid 2-3 times/week: Our hybrid work model brings us to the office at least twice a week, on strategic days designed to maximize team connection and collaboration. For more details, visit