About the company
Nu is one of the largest digital financial platforms in the world, with more than 127 million customers across Brazil, Mexico, and Colombia. We are redefining financial services in Latin America.
About the role
The Blockchain Security team supports the security of Nu's crypto operation. As a Senior Security Engineer, you own the security posture of our crypto operation.
Responsibilities
- Applying an offensive security mindset to our crypto and blockchain products: simulating attacks, running penetration tests and security assessments.
- Driving product security across the crypto portfolio: threat modeling, security-by-design reviews.
- Building, operating, and improving in-house security services and tooling.
- Ensuring our crypto operation meets regulatory requirements.
- Collaborating with product and engineering teams to design secure blockchain architecture.
- Contributing to security policies, standards, and guidelines.
- Using AI to raise the leverage and quality of security work.
- Staying current on emerging attack vectors and exploits.
Requirements
- Strong product security and/or offensive security background.
- Experience embedding security into product development.
- Hands-on software engineering ability: build and operate security services and automation.
- Solid working knowledge of blockchain and cryptocurrency fundamentals.
- Strong knowledge of attack vectors and exploits.
- Experience with security frameworks such as OWASP and NIST CSF.
- Fluency with AI-assisted engineering.
- Familiarity with AWS, and solid grounding in operating systems, networks, databases, and infrastructure architecture.
- Ability to work autonomously and proactively.
- Clear written and spoken English.