Senior Mobile Security Engineer (Android/iOS)

Key Responsibilities

App Hardening

Implement and maintain RASP (Runtime Application Self-Protection),

Code Obfuscation (ProGuard/DexGuard), and Root/Jailbreak detection mechanisms.

Secure Connectivity

Enforce Certificate Pinning and secure TLS configurations to

prevent Man-in-the-Middle (MitM) attacks.

Data Protection

Ensure no sensitive data (PII, Keys) is leaked in logs, cache, or

snapshots. Secure usage of Android Keystore and iOS Keychain.

Mobile Design Components

Deliver new security design patterns and components

for Mobile security. Create reusable libraries for biometric login, secure storage, and

device attestation that feature teams can easily drop into their code.

Pentesting

Regularly decompile and attack our own binaries to verify defenses.

Technical Requirements

• Deep knowledge of Android (Kotlin/Java) and iOS (Swift/Obj-C) internals.
• Experience with mobile security frameworks (OWASP MASVS).
• Hands-on experience with reverse engineering tools (Frida, Ghidra, MobSF).
• Understanding of Biometric authentication flows (FaceID/TouchID implementation).