Senior Application Security Engineer (Remote)Active$192K–$240K

The opportunity

Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to…

What you'll do

  • Identifying vulnerabilities, demonstrating business impact, and articulating: the risk of specific vulnerabilities to drive prioritization efforts

  • Perform penetration testing and design reviews, looking for vulnerabilities: and insecure designs, work with engineering and product to design secure product features

  • Maintain and build internal tools to automate security efforts, perform SAST: and DAST testing of the Brex platform, and support secure development practices

  • Build and contribute to a culture of collaborative security excellence: through technical leadership, learning sessions, and mentorship within the team and wider organization

  • + years work experience in an Application Security or related role

  • Ability to find vulnerabilities in complex systems, demonstrating business impact through custom attack chains

What they're looking for

  • Experience with a wide range of secure development activities including: threat modeling, developer education, and incident response
  • Knowledge of Python, scripting languages, and AI/agentic workflows to: automate tasks, build tools and improve productivity
  • Collaborative mindset paired with strong written and verbal communication skills
  • Proficiency with Kotlin, gRPC, GraphQL, Kubernetes
Senior Application Security Engineer (Remote) at Brex | Role Match