• Lead the security review of iOS application architecture and design, ensuring security is built-in from the ground up. • Conduct security-focused code reviews for the iOS application, and implement/manage static and dynamic application security testing (SAST/DAST) tools. • Oversee the identification, assessment, and remediation of vulnerabilities within the iOS application and its supporting infrastructure. • Perform threat modeling for new features and existing components of the iOS application and its backend services. • Drive the adoption and enforcement of secure development practices within the mobile engineering teams. • Ensure the security of APIs consumed and exposed by the iOS application. • Manage and refine cloud IAM roles and permissions for the mobile app's backend infrastructure to enforce the principle of least privilege and improve our cloud security posture. • Support incident response activities related to the iOS application, including investigation and remediation. • Evaluate, implement, and manage security tools relevant to mobile application security. • Provide guidance and training to mobile developers on secure coding practices. • Report directly to the Head of Information Security on the security posture of the iOS application and related infrastructure.