Senior Application Security Engineer (Remote)
Core
Finding and responding to security vulnerabilities across the Brex platform, including securing novel AI implementations and agentic-powered features.
Role type
Senior Application Security Engineer (AI Security focus)
Builds
Secure developer workflows, internal security tooling, and secure AI capabilities for financial operations
Domain
Fintech / AI Security
Deliverable
production ML models | product features
Required skills
Penetration testing, vulnerability identification, exploit crafting, code review, design review, SAST/DAST testing, secure development practices, technical leadership, mentorship
Preferred skills
Experience with AI security, agentic systems, complex system architecture
Technologies
SAST tools, DAST tools, custom exploit frameworks
Responsibilities
Identify vulnerabilities and demonstrate business impact; perform penetration testing and design reviews; build and maintain internal security automation tools; foster a culture of security excellence through mentorship and learning sessions
Seniority
Senior, hands-on IC with technical leadership
