Senior Mobile Security Engineer

Job Summary

Leading the charge in mobile security, the full-time remote Senior Mobile Security Engineer will own device attestation, account integrity, and fraud defense systems while building and mentoring a team of engineers to ensure the security of mobile experiences across various platforms.

Key responsibilities

• Oversee device and session integrity attestation, session enforcement, and authentication hardening for mobile clients and their backends
• Design and implement detection and enforcement systems to combat fraud and abuse from adaptive adversaries
• Define and manage the multi-quarter security roadmap focusing on account integrity and abuse defense while balancing user trust and growth

Required qualifications

• 8 to 10+ years of experience in security engineering, particularly with consumer-scale mobile products
• Proven ownership of an end-to-end security domain, including roadmap development and team management
• Strong systems design experience, including building detection pipelines and attestation systems at scale
• Hands-on knowledge of native mobile client internals (iOS/Android) and distributed backend services
• Experience with Go (or similar) on major cloud platforms, with a focus on platform reliability and cost management