#vacancy #ios #swift #vpn iOS Developer (Swift, VPN / VLESS) Work format: remote Employment: full-time (5/2, 8-hour working day) Salary range: from 200,000 ₽ to 350,000 ₽ net (negotiable 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 iOS developer with practical experience in implementing VPN clients and working with the VLESS protocol.

**✅ What you will be doing: **• Developing and enhancing an iOS VPN client application using Swift; • Integrating and configuring VPN connections via Network Extension; • Implementing support for the VLESS protocol (Xray-core / sing-box); • Working with Packet Tunnel Provider; • Optimizing VPN session performance; • Ensuring connection stability and reconnect logic; • Integrating with backend API (authorization, subscriptions, configurations); • Working with secure data storage (Keychain); • Participating in architectural decisions and code reviews; • Preparing the application for publication and passing App Store review.

**✅ Requirements: **• Commercial iOS development experience of 4+ years; • Proficient knowledge of Swift; • Practical experience in developing VPN applications for iOS; • Experience working with Network Extension / NEPacketTunnelProvider; • Understanding the principles of VLESS (preferably Xray / sing-box); • Experience working with low-level network interactions; • Understanding of TLS, TCP/UDP, DNS; • Experience debugging network traffic; • Knowledge of architectures (MVVM / Clean Architecture); • Git (confident use via terminal).

**✅ Will be a plus: **• Experience publishing VPN applications in the App Store; • Understanding of anti-DPI mechanisms; • Experience working with proxy protocols (VMess, Shadowsocks, Trojan); • CI/CD configuration; • macOS development experience (Network Extension).

**✅ Personal qualities: **• Independence and responsibility; • Ability to work on non-standard tasks; • Results-oriented; • Willingness to work in a product team.

Contacts: @denisll1_