Senior Application Security EngineerNew

The opportunity

We are looking for a Sr. Full Stack Application Security Engineer with deep expertise in mobile application security to join our Product Security team.

What you'll do

  • Build and improve security capabilities, automation, and guardrails for: mobile applications and backend/API services

  • Perform application or API/backend penetration testing

  • Identify, triage, and help remediate vulnerabilities across Chime products

  • Partner closely with engineering and product teams to embed security into the: development lifecycle across mobile apps, APIs, and backend services

  • Perform architecture and code reviews across the stack (iOS/Android, APIs,: backend) with a focus on secure data storage, authentication, authorization, secure communication, and session/token handling

  • Leverage AI to accelerate security workflows (e.g., code review support,: triage, threat modeling), and partner with teams building AI-enabled features to define and implement production-grade AI security controls

What they're looking for

  • + years of experience in application security, with strong hands-on: experience across both mobile and backend systems
  • Hands on experience securing iOS and Android applications in production environments
  • Strong understanding of mobile threat models and common attack techniques
  • Experience with mobile security testing techniques, including static and dynamic analysis