Software EngineerDuration: 6-month contract - Possible extensionStart Date: September 2025Location: NW1 London (3 days on-site)Engagement Type: PAYEPay Rate: Competitive market rates - Via PAYEThis role does not offer visa sponsorship.Job Summary:We're seeking a skilled Software Engineer to contribute to an innovative virtual reality platform within a global organisation. This role is part of a team focused on runtime stability, performance, and reliability for immersive 3D applications. You'll be supporting a major Real Time social platform and working on Back End systems and game engine features that drive next-generation experiences.Ideal candidates are system-level generalists with experience in Unity, C#, and strong familiarity with CI/CD tools and workflows. You'll work cross-functionally across global teams and contribute to highly impactful engineering projects.Responsibilities:Improve runtime stability and investigate crash sources in a large-scale VR platform.Develop and debug with Unity, C#, C++, Python, and PHP/Hack.Implement robust diagnostic tools and incident response systems.Extend and optimize build and CI pipelines using internal tools.Monitor performance and system health using telemetry and profiling.Collaborate with engineering teams in both EMEA and North America.Drive improvements to code quality, automated testing, and build efficiency.Requirements:8+ years of professional software development experience.Strong proficiency in C#, Unity, and Windows development.Experience with CI/CD pipelines, build systems, and debugging tools.Ability to troubleshoot complex systems and resolve runtime issues.Familiar with Back End development, database systems (SQL), and Scripting.Understanding of game engine architecture, performance optimization, and 3D graphics.Preferred Background:Experience working on immersive or Real Time 3D applications.Exposure to VR hardware and performance profiling tools.Familiarity with build tools such as Buck, Bazel, or similar.Strong engineering intuition and ability to develop scalable infrastructure.