#vacancy #android #kotlin #vpn Android Developer (Kotlin, VPN / VLESS) Work format: remote Employment: full-time (5/2, 8-hour work day) Salary range: from 200,000 RUB to 300,000 RUB net (discussed based on interview results) Probation period: 3 months

Company name: Applinix (product team, VPN service) Job description: We are developing our own VPN product for the international market. We are looking for an Android developer with hands-on experience in developing VPN clients and integrating the VLESS protocol.

✅ What you will do: • Development and enhancement of the Android VPN client application; • Implementation of VPN connections via VpnService API; • Integration and configuration of the VLESS protocol (Xray-core / sing-box); • Working with traffic tunneling (TCP/UDP); • Optimization of connection stability and reconnect logic; • Integration with backend API (authorization, subscriptions, configurations); • Working with secure data storage (EncryptedSharedPreferences / Keystore); • Participation in architectural decisions and code reviews; • Preparing the application for publication on Google Play.

✅ Requirements: • Commercial Android development experience of 4+ years; • Strong proficiency in Kotlin; • Practical experience developing VPN applications; • Hands-on experience with VpnService API; • Understanding of how VLESS works (preferably Xray / sing-box); • Knowledge of network protocols: TCP/UDP, TLS, DNS; • Experience with multithreading (Coroutines, Flow); • Understanding of architectures (MVVM / Clean Architecture); • Experience in network traffic debugging; • Git (proficient).

✅ Will be a plus: • Experience publishing VPN applications on Google Play; • Understanding of anti-DPI mechanisms; • Experience with proxy protocols (VMess, Shadowsocks, Trojan); • Experience with NDK; • Setting up CI/CD; • Experience with high-load mobile applications.

✅ Personal qualities: • Independence and responsibility; • Ability to make technical decisions; • Focus on product stability and quality; • Ability to work in a product team.

Contacts: @WilliamChainn