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Nubank

Senior Security Engineer, AI Security

Nubank

. Identify and analyze vulnerabilities, providing insights and recommendations for mitigation .

Posted 10/8/2026full-timeSão Paulo • BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in security frameworks and vulnerability analysis, with a strong focus on integrating security measures into AI development lifecycles. Proficient in programming languages relevant to machine learning and automation, with a proactive approach to identifying security risks in high scalability environments.

Highest-signal resume keywords
Security Frameworks KnowledgePython Programming SkillsCI/CD Pipeline ExperienceAutomation Programming LanguagesCloud Infrastructure Technologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Vulnerability AnalysisSecurity FrameworksPythonCI/CD PipelinesSASTDASTSCAAutomation ProgrammingMachine LearningGenerative AI
Soft Skills
Proactive MindsetStrong Communication Skills
Tools & Technologies
AWSK8STerraformBashAnsibleGoPyTorchTensorFlowHuggingFacesMCP
Industry Keywords
Zero-TrustRegulated EnvironmentsAI EcosystemIncident Response PlanningSecurity Assessments

Tech Stack

Tools & technologies
AnsibleAWSCloudKubernetesPythonPyTorchTensorflowTerraformGo

About the role

Key responsibilities & impact
  • Identify and analyze vulnerabilities, providing insights and recommendations for mitigation
  • Contribute to the development and implementation of security frameworks for responsible and secure AI usage
  • Work with development teams to integrate security measures into the AI development lifecycle
  • Assist in AI-related incident response planning and participate in response simulations
  • Develop and integrate tools to automate security assessments and controls
  • Conduct research and development initiatives to support innovation
  • Raise Nubank awareness toward safe AI usage
  • Strengthen the security and resilience of Nubank’s AI ecosystem
  • Partner with engineering teams to support secure and responsible AI adoption at scale

Requirements

What you’ll need
  • Knowledge of security frameworks, such as OWASP
  • Programming skills in languages commonly used in machine learning (e.g., Python)
  • Proactive mindset with the ability to analyze complex systems and identify potential security risks
  • Strong communication skills to effectively convey complex security concepts to technical and non-technical stakeholders
  • Hands-on experience with CI/CD pipelines and implementing security tools (e.g., SAST, DAST, SCA)
  • Experience with high scalability environments
  • Experience in zero-trust and regulated environments
  • Experience with AI frameworks and libraries (e.g. PyTorch, TensorFlow) — nice to have
  • Expertise with automation programming languages (e.g. Bash, Ansible, Go) — nice to have
  • Knowledge of cloud infrastructure technologies (e.g. AWS, K8S, Terraform) — nice to have
  • Knowledge of Machine Learning and Generative AI concepts and technologies (e.g. HuggingFaces, MCP) — nice to have
  • English proficiency is assessed during the application process
  • Legally authorized to work in the country where the position is located

Benefits

Comp & perks
  • 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