Ever wanted to work on software that protects hundreds of thousands of machines worldwide - and actually own the code you write? We're looking for a mid-level C++ Software Engineer to join our small, agile team working on mission-critical cyber security software. This isn't just another dev role - you'll have real ownership, from design through to production, working on complex problems that matter to enterprise customers globally. What you'll be doing: * Building and enhancing core features in modern C++ (C++17), primarily on Windows with growing Linux opportunities * Designing high-quality APIs in multithreaded environments * Taking ownership of substantial code segments with minimal hand-holding * Delivering customer-focused solutions at pace - this is a fast-moving team What we need from you: * Good commercial C++11/14/17 experience on Windows / Visual Studio * A track record of writing clean code and multi-threading * The ability to work independently and take initiative * Understanding of JavaScript, TypeScript or Angular code is a nice to have (although they have a dedicated UI JavaScript team) What's in it for you? * £40,000–£50,000 (Depending on experience) * 9% employer-only pension contribution * Flexible benefits package including life assurance * Hybrid working – 3 days in Manchester office * Make a genuine technical impact in a small team with rapid release cycles Location: Manchester central (hybrid) Start: ASAP/New Year The process: CV review → technical take-home challenge → in-person interview Sound interesting? If you're a C++ Software Developer who values autonomy, technical challenge, and seeing your work make a real difference, we'd love to hear from you