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Mobile Engineer (Europe) at Jobgether. This position is posted by Jobgether on behalf of a partner company. We are currently looking for a . Mobile Engineer. in . Europe. .. As a Mobile Engineer, you will play a key role in building a high-performance, privacy-focused VPN client that empowers users to browse securely and anonymously. You’ll develop native mobile applications with a focus on iOS, integrating complex networking and security functionalities while ensuring seamless user experiences. Working within a collaborative and open-source environment, you’ll contribute directly to a cutting-edge decentralized network protocol and help shape the next generation of internet privacy technology. This position offers the opportunity to innovate in a fully remote, flexible, and mission-driven engineering culture.. . Accountabilities. Develop and maintain a . native iOS VPN client. , ensuring top-tier performance, usability, and stability.. Write and maintain . Swift code. , integrating with the core Rust-based HOPR client library.. Collaborate closely with protocol engineers to identify and address performance or usability bottlenecks at the networking layer.. Continuously enhance the . user experience (UX). across mobile and desktop platforms.. Build and document robust, maintainable code following best open-source practices.. Participate in regular . code reviews. , share insights, and contribute to team-wide technical discussions.. Debug complex networking issues and optimize mobile performance for reliability and scalability.. Solid experience in . iOS native development. , including integration into the . VPN subsystem. .. Strong understanding of . Swift. and experience interfacing with low-level networking code.. Previous exposure to . long-running background applications. or performance-critical mobile systems.. Excellent problem-solving and debugging skills, with the ability to identify root causes efficiently.. Passion for . privacy, security, and open-source technologies. .. Strong documentation habits and appreciation for collaborative, well-structured codebases.. Curiosity and initiative to explore, test, and contribute to open-source projects and tools.. Experience integrating . Rust. or similar lower-level libraries into mobile environments is a plus.. . Company Location: United Kingdom.