As Lead Security Engineer (AI), you will own and drive Nubank's defensive security strategy for AI products and internal tools
Job Summary
As Lead Security Engineer (AI), you will own and drive Nubank's defensive security strategy for AI products and internal tools.
You will define frameworks, set technical direction, build runtime protections, and enable engineering teams across the company to ship AI systems securely by default.
Opportunity of earning equity at Nu, Medical Insurance, Dental and Vision Insurance, Life Insurance and AD&D, Extended maternity and paternity leaves, Nucleo - Our learning platform of courses, NuLanguage - Our language learning program, NuCare - Our mental health and wellness assistance program, 401K, Saving Plans - Health Saving Account and Flexible Spending Account, Work-from-home Allowance, Relocation Assistance Package, if applicable.
Matching Summary
As Lead Security Engineer (AI), you will own and drive Nubank's defensive security strategy for AI products and internal tools.
Skills & Requirements
Must-have
AI security strategy
LLM application security
runtime security controls
AI agent security
threat modeling AI systems
Nice-to-have
cross-team technical leadership
staying current with AI threats
empowering engineering teams
Key Requirements
Deep expertise in product security, application security, or cloud security
Hands-on experience building AI agent systems
Proven track record leading cross-team technical initiatives
Experience designing and implementing secure systems
Hands-on experience with runtime security controls
Solid familiarity with LLM application architectures
Strong understanding of agentic systems and AI infrastructure
Experience building monitoring, telemetry, and alerting
Strong programming skills in at least one production language