Senior Application Security Engineer
Core
Sr. Full Stack Application Security Engineer focusing on mobile app security, working with mobile, backend, and platform teams to identify, prevent, and remediate security issues across iOS, Android, API, and backend systems.
Role type
Senior hands-on IC application security engineer (mobile & backend)
Builds
Security capabilities, automation, and guardrails for mobile applications and backend/API services
Domain
FinTech, mobile application security, distributed systems
Required skills
Mobile application security (iOS/Android), API/backend security, penetration testing, static and dynamic analysis, secure architecture review, secure data storage, authentication/authorization, session/token handling, practical coding (Ruby/Go/Python), AI security controls
Preferred skills
Experience with AI-enabled security workflows, threat modeling
Technologies
iOS, Android, Ruby, Go, Python
Responsibilities
Build and improve security automation for mobile and backend; Perform application and API penetration testing; Identify and remediate vulnerabilities; Partner with engineering to embed security in the development lifecycle; Conduct architecture and code reviews focusing on secure design; Leverage AI to accelerate security workflows
Seniority
Senior, hands-on IC
