Senior Android Engineer

Обязанности: Develop and maintain Android applications using Kotlin and Java., Build new features and improve existing VPN functionality., Work on networking, connectivity, performance, and security., Troubleshoot technical issues and improve application stability., Collaborate with Android, backend, networking, and QA engineers., Contribute to technical decisions and code quality.

Опыт: 5+ years of commercial experience in Android development., Strong experience with Kotlin and Java., Good knowledge of Android SDK and modern Android architecture (MVVM, Clean Architecture)., Good understanding of networking concepts (TCP/IP, UDP, DNS, HTTP/HTTPS)., Experience with Android networking, connectivity, or VPN-related functionality., Understanding of Android security principles., Experience with debugging, performance optimization, and testing., Good English communication skills., Experience with VPN applications or protocols (WireGuard, OpenVPN, IPSec, etc.)., Experience with NDK, C, or C++., Familiarity with network debugging tools (Wireshark, tcpdump)., Experience working in international teams