Job Description

About Nu

Nu serves more than 140 million customers, guided by a mission to fight complexity and empower people. The company has been leading an industry transformation through innovative products and human-centered services.

Proprietary technology and data at scale power Nu’s digital platform, built to promote financial access, advancement, and transparency. Its business model thrives on customer love and lower costs, feeding a flywheel of growth and profitability.

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About the role

As an AI Security Manager, you will lead the AI Security team, part of Nubank’s Information Security organization. The team’s mission is to help Nubank adopt and develop artificial intelligence securely, protecting the company and the people who rely on its products.

AI is used across Nubank in internal tools, AI-assisted software development, machine learning systems and capabilities built into customer-facing products. Each of these carries its own security risks, and the team you lead is responsible for identifying and addressing them so that the company can keep adopting AI with confidence.

You will own the team’s priorities and delivery. That means setting direction, supporting the development of the people on your team, and keeping the team current as AI technologies and their risks change.

You'll be responsible for

• Leading, developing and managing the performance of the AI Security team, including giving feedback and supporting career growth.
• Setting the team’s priorities and guiding its work to enable the secure adoption of AI across the company.
• Working with teams across Information Security, software engineering, machine learning engineering, product and other areas to understand how AI is being used at Nubank.
• Assessing the security risks of AI used and developed at Nubank, across internal tools, AI-assisted software development, machine learning systems and customer-facing AI capabilities.
• Helping define appropriate security approaches for those uses, balancing security, technical and business needs.
• Taking part in technical discussions about AI and learning about emerging security challenges.
• Helping the team keep pace with changes in AI technologies and their associated risks.

We are looking for a person who has

Basic qualifications

• Experience managing and developing technical teams, including providing feedback, supporting career growth and managing performance.
• Experience working with AI and/or machine learning technologies, with the ability to engage in technical discussions about how AI systems are developed, deployed or used.
• Knowledge of security concepts and an interest in developing deeper expertise in AI security.
• Experience identifying and assessing risks and/or making decisions involving technical risks.
• Experience defining priorities, coordinating delivery and balancing security, technical and business needs.
• Experience collaborating with stakeholders across different teams and areas.
• Strong communication skills and proficiency in English.

Preferred qualifications

• Experience with AI security, including assessing risks or developing security controls for AI systems.
• Experience with generative AI, large language models or AI agents.
• Experience with security engineering, risk assessments, security testing or incident response.
• Experience with software engineering or AI-assisted software development. A software engineering background is welcome, but not required.
• Experience supporting the secure adoption of new technologies across an organization.
• Experience working in financial services or other environments where security, reliability and customer experience are critical.

Location for this opportunity (City, Country)

• São Paulo, Brazil
• Campinas, Brazil
• Rio de Janeiro, Brazil
• Belo Horizonte, Brazil

Our 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
• 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

Work Model for this Role

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 https://building.nubank.com/nu-hybrid-work-model/

Explore how we build technology at Nubank

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Our recruitment process may involve the use of artificial intelligence–enabled tools, such as automated interview transcription and analysis, to support the evaluation process. Artificial intelligence is not used to make final hiring decisions; all decisions are made by human reviewers.

To maintain a consistent and fair process for every candidate, Nu does not provide individualized technical feedback. See how our policy works here