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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Developer (Fully Remote) - **Company:** Edison Hill Search - **Location:** Oxford, UK (Remote available) - **Experience:** Expert - **Salary:** £70,000.0 - £90,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Artificial Intelligence, Amazon Web Services, Android Software Development, Apple IOS, Public-Key Cryptography, Microsoft Azure, C++ (Programming Language), CentOS, Cloud Computing, Compilers, Cyber Security, Continuous Integration, Debian Linux, Linux, Distributed Systems, Interoperability, OSI Models, Network Layer, Linux Kernel, Linux System Administration, Network Programming, Routing, Packet Analyzer, Cisco Nexus Switches, Open Shortest Path First (OSPF), Open Systems Interconnection (OSI), Blockchain, Visual Studio Online, Gitlab, Iptables, Docker, Microservices - **Published:** August 19, 2026 - **Apply:** https://www.cv-library.co.uk/job/224589035/senior-developer-fully-remote ## About the Role First and foremost, you must have genuine depth in network programming with C and C++. We're particularly interested in engineers with strong working knowledge of Layer 3 OSI protocols, low-level packet analysis and routing, OSPF, TAP/TUN devices and UDP tunnelling, UDP hole punching and STUN technologies, IPTables and packet routing strategies, code threading and multitasking, IPC and shared-memory communication, and Linux kernel-level development. You'll ideally also be comfortable with several of the following areas: compilers and static libraries, cross-compiling and porting across iOS, Android, Windows and Linux, containerised microservices using Docker and Kubernetes, CI/CD and GitLab environments, distributed cloud platforms including AWS, Azure and OVH, and development environments including VS Code, GitLab and Nexus. We don't expect one person to tick every box. What we do need is someone who can demonstrate a high level of competence in networking, packet routing and packet analysis, together with meaningful experience across at least three or four of the areas above. That networking foundation is important. Without it, the learning curve into the technology will simply be too steep. The Kind of Engineer Who Will Thrive Here You'll probably have 10+ years' experience designing, architecting and developing sophisticated C++ systems, although depth of expertise matters more than an arbitrary number. You'll be comfortable operating in Linux environments, including Debian, CentOS and embedded variants, and ideally understand symmetric and asymmetric cryptography, hashing and secure distributed systems. More importantly, you'll be someone who enjoys getting underneath a problem. Someone who wants to understand what is actually happening to the packet, rather than simply calling an abstraction several layers above it. You'll document clearly, automate where it makes sense, challenge assumptions constructively and be comfortable working in an environment where engineers are expected to think rather than simply execute tickets. Previous start-up, IoT, edge computing, GPU/AI or blockchain experience would be useful, but isn't essential. ## Description The Role: Where Packets Become Trust This isn't application-layer C++. It isn't framework-driven development. This is low-level, network-centric C and C++ engineering, working primarily around OSI Layers 2 and 3, where packet behaviour, routing decisions and tunnelling strategies determine whether distributed systems can communicate securely at scale. You'll design and build technology intended ultimately to operate across millions of industrial edge devices, enabling secure cloud-to-edge communication, device-to-device authentication, decentralised routing and interoperability, secure communication across potentially untrusted networks, and robust deployment and configuration for edge environments. You'll be close enough to the technology to influence how it develops - shaping architecture, solving complex networking problems and contributing to security infrastructure that could eventually underpin critical systems around the world. And because this remains a relatively small, specialist engineering team, your contribution won't disappear into a huge development organisation. You'll see the impact of what you build. 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