Senior Software Engineer - Unity Development

Duration: 6-month contract – Possible extension

Start Date: September 2025

Location: NW1 London (3 days on-site)

Engagement type: PAYE

Pay rate: Competitive market rates - Via PAYE

This role does not offer visa sponsorship.

Job Summary:

We are looking for an experienced Software Engineer to join the global client of mine, where you would be working on an advanced virtual reality platform. This role focuses on enhancing runtime stability, reliability, and performance across immersive 3D applications. You'll collaborate with cross-functional teams to develop system-level features that drive high-quality, interactive experiences in VR.

Ideal candidates are generalist engineers with strong experience in Unity and C# development who enjoy solving complex technical challenges at scale.

Responsibilities:

• Improve runtime stability and performance using Unity, C#, and C++
• Identify and resolve reliability issues, with clear incident response and diagnostics
• Extend Unity functionality by integrating with internal tools and systems
• Work closely with global engineering teams to deliver high-impact features
• Contribute to telemetry instrumentation, profiling, and system monitoring
• Develop, test, and deploy changes to the runtime engine
• Participate in CI/CD workflows, improving engineering efficiency

Requirements:

• 10+ years of software engineering experience
• Strong proficiency in C#, Unity, and Windows development
• Hands-on experience with debugging and profiling tools
• Working knowledge of C++, Python, Hack/PHP, and SQL
• Familiarity with CI/CD practices and build systems
• Solid understanding of runtime systems, game engine architecture, and 3D graphics
• Ability to work effectively in a large, distributed team environment

Preferred Background:

• Previous experience working on immersive or real-time 3D applications
• Exposure to virtual reality hardware and performance optimization tools
• Experience with performance and memory profiling in complex systems
• Strong product sense and ability to build systems that support large-scale applications