





Medium due to remote hiring plus metro location, despite niche VPN/NDK specialization reducing broad applicant pool.
High because deep Android VPN, NDK, and networking expertise is highly domain-specific.
High due to many mandatory specialized technical skills (VPN protocols, NDK/JNI, networking, security, native builds).
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Develop and maintain VPN functionality on Android using Kotlin and modern Android architecture.
Ensure stable VPN connections with minimal battery impact and no DNS/IP leaks across multiple protocols (WireGuard, OpenVPN, IKEv2/IPsec).
Handle release hardening, crash monitoring, and Play Store compliance for VPN apps.
Proficiency in Android development with Kotlin, coroutines/Flow, and modern Android architecture.
Strong expertise in VPN technologies (VpnService, TUN interface, TCP/UDP networking fundamentals).
Experience with native code integration (NDK/JNI in C/C++), and building native libraries for multiple Android ABIs.
Work Experience Required: Not explicitly mentioned in the JD.
Experienced in VPN/Networking product development for Android, including consumer or enterprise VPN apps.
Familiar with security/privacy best practices like Android Keystore, encryption, certificate pinning, and threat modeling.
Comfortable with backend or DevOps tasks related to VPN infrastructure and Play Store policy compliance for VPN apps.