The Client Platform Security Engineer role at Stripe focuses on enhancing the security of client endpoints across various platforms, including iOS and macOS. The Secure Devices team is dedicated to maintaining rigorous security standards and preventing data loss while ensuring a productive user experience. This position involves collaboration with multiple teams to implement security best practices and develop endpoint security software. The engineer will play a crucial role in securing over 10,000 Stripe devices.

• 4+ years of relevant experience securing iOS and/or macOS platforms
• 4+ years of software engineering experience writing Go, Swift or Objective-C
• Deep expertise securing devices within the Apple ecosystem
• Understanding of the current threat landscape and how to defend Apple devices against modern threats
• High standards for code quality and a constructive attitude to help others raise the bar
• An ability to think creatively and holistically about reducing risk in a complex environment
• The ability to drive clear next steps when encountering ambiguous spaces without clear lines of ownership
• Empathy, strong communication skills and a deep respect for the power of collaboration

• Contribute to the secure design and implementation of Stripe’s mobile expansion initiative
• Act as the subject matter expert on iOS security by advising partner teams on iOS security best practices and secure-by-design architectures
• Design, build and maintain Stripe’s endpoint security software, including developing telemetry and prevention capabilities via macOS system extensions
• Collaborate closely with partner teams to define and measure the secure configuration of Stripe’s client platforms
• Operate high RPS backend services providing critical controls and security configuration to Stripe endpoints
• Drive down usage of unapproved, untrusted software while creating a surprisingly great user experience for onboarding new, approved software
• Manage and improve device attestation flows to ensure Stripe’s device and user identities are kept secure
• Identify opportunities on Stripe client platforms to improve our security posture and resiliency against malware and advanced persistent threats
• Build and maintain a users-first data loss prevention program to protect against accidental and malicious data exfiltration