Job Title: Software Engineer Horizon Experiences (C#/Unity Application Development) Duration: 6 Months (High Possibility of Extension) Location: London, UK Work Mode: Hybrid (3 Days On-Site, 2 Days Remote) About the Role: Join a global leader in the AR/VR space, working on cutting-edge experiences that are shaping the future of social connection and immersive environments. This role is part of a high-impact team responsible for advancing a major virtual reality platform building tools, services, and runtime systems that power first-party metaverse applications. As a Software Engineer on the Runtime & Asset Pipeline team, youll contribute to improving system reliability, runtime stability, and performance of immersive applications built with Unity and C#. You'll collaborate closely with teams across Europe and North America and be a first responder in diagnosing and resolving runtime issues across the stack. Key Responsibilities: Contribute to runtime stability and performance optimization for complex Unity-based VR applications. Diagnose and resolve technical issues across C#, C++, and internal tools. Collaborate with cross-functional teams to improve asset pipeline tooling and runtime systems. Work on system profiling, debugging, and performance tuning. Support CI/CD efforts including build capacity management, automated testing, and incident response. Act as a generalist engineer with the ability to operate across multiple technologies and domains. Requirements: Strong software development experience in C# and Unity. Experience with C++ and familiarity with performance profiling and system diagnostics. Experience debugging complex systems and optimizing runtime environments. Familiarity with CI/CD concepts such as build pipelines, alerts, and automation. Proficiency in tools such as Phabricator, Sandcastle, Buck, or similar. Experience with SQL and data analysis workflows. Working knowledge of Python or other scripting languages is a plus. Exposure to mobile platforms, particularly Android, is beneficial. Bonus: Experience with build systems like Bazel or Buck, and code coverage tools.