GrepJob
Nubank

Senior Security Engineer (Blockchain Security) - BR - 2026

Nubank
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about 3 hours ago
São Paulo, Brazil +2 moreSenior
H1B Sponsor

Responsibilities

  • Simulate attacks and conduct penetration tests on crypto and blockchain products.
  • Drive product security through threat modeling and security-by-design reviews.
  • Build and operate in-house security services and tooling for crypto products.
  • Ensure compliance with regulatory requirements and support audits.
  • Collaborate with teams to design secure blockchain architecture.
  • Contribute to security policies and guidelines for blockchain operations.
  • Utilize AI to enhance security work and improve efficiency.
  • Stay updated on emerging attack vectors and share knowledge with the team.

Requirements

  • Strong background in product security or offensive security.
  • Experience embedding security into product development processes.
  • Hands-on software engineering skills, particularly in Clojure or modern languages.
  • Solid understanding of blockchain and cryptocurrency fundamentals.
  • Knowledge of recent attack vectors and remediation strategies.
  • Familiarity with security frameworks like OWASP and NIST CSF.
  • Fluency with AI-assisted engineering tools.
  • Familiarity with AWS and a solid grounding in IT infrastructure.

Benefits

  • Opportunity to earn equity at Nubank.
  • Meal and transportation benefits.
  • Access to psychological, financial, and legal assistance programs.
  • Comprehensive medical and dental plans.
  • Language course program and learning platform access.
  • Extended parental leave and daycare allowance.
  • Work-from-home allowance and gym partnerships.
  • 30 days of paid vacation and relocation assistance if applicable.

Tech Stack

AWSClojureSolidity

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