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Nubank

Lead Security Engineer (AI) – Product Security

Nubank
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about 4 hours ago
Durham, NC, USA +3 more
Mid Level / Staff+

Responsibilities

  • Lead the security strategy for Nubank's AI systems, including LLM applications and their infrastructure.
  • Secure AI agents and workflows by enforcing permissions and monitoring behavior.
  • Design secure architectural patterns for AI applications.
  • Develop detection and monitoring capabilities for abuse and anomalous behavior.
  • Implement runtime protections for LLM applications.
  • Collaborate with AI engineers to integrate security controls into development pipelines.
  • Stay updated on AI security trends and translate them into actionable guidelines.

Requirements

  • Deep expertise in product, application, or cloud security with experience in AI agent systems.
  • Proven track record of leading cross-team technical initiatives.
  • Experience in designing and implementing secure systems in production.
  • Hands-on experience with runtime security controls in high-throughput systems.
  • Familiarity with LLM application architectures and their threat surfaces.
  • Strong understanding of agentic systems and AI infrastructure.
  • Experience in building monitoring and alerting for production systems.
  • Strong programming skills in at least one production language.

Benefits

  • Opportunity to earn equity at Nu.
  • Medical, dental, and vision insurance.
  • Life insurance and AD&D.
  • Extended maternity and paternity leaves.
  • Access to Nucleo, a learning platform of courses.
  • NuLanguage, a language learning program.
  • NuCare, a mental health and wellness assistance program.
  • 401K and saving plans.
  • Work-from-home allowance.
  • Relocation assistance package, if applicable.

Categories

AI & MLSecurity