Software Engineer

Senior Software Engineer (Unity/C# Game Engine Development) – IC6 Level

Overview

Seeking an experienced Senior Software Engineer to join a team dedicated to enhancing a large-scale social VR platform powered by the Unity game engine. This position focuses on developing and improving the reliability, performance, and integration of the Unity-based runtime engine, collaborating with multidisciplinary teams supporting system builders and product engineers.

Location & Work Arrangement

• Onsite at King's Cross, London
• Hybrid: 3 days/week onsite
• Initial 6-month contract, potential for extension (not guaranteed)

Key Responsibilities

• Drive improvements in runtime reliability of the Unity engine powering the platform.
• Investigate, profile, and debug complex issues related to rendering, graphics, physics, and system telemetry.
• Develop and maintain robust test code and ensure fixes are thoroughly validated prior to deployment.
• Collaborate cross-functionally to enhance system telemetry and overall product reliability.
• Tackle challenges in system integration and ensure stability across runtime and internal tool interfaces.

Technology Stack & Skills

• Advanced proficiency in C# within the Unity engine environment.
• Strong experience with Windows development environments.
• Sound knowledge of graphics rendering, physics engine internals, and system profiling.
• Exposure to TypeScript is advantageous.
• Experience with proprietary or large-scale internal tooling and platform integrations is highly valued.
• Demonstrated ability in debugging and improving complex runtime systems.

Ideal Candidate Profile

• 10+ years of professional software engineering experience, with a substantial background in game engine or game system development (not just gameplay).
• Track record of improving system reliability and solving challenging, performance-related issues within large-scale, real-time Unity environments.
• Deep understanding of game engine concepts, rendering pipelines, and physics simulation.
• Experience working in collaborative teams, supporting internal product builders and UI engineers.
• Strong analytical skills with a passion for system stability, platform reliability, and rigorous testing practices.

Additional Information

• The engineering team consists of 50–60 professionals working across multiple verticals.
• Applicants should be adaptable, motivated by technical challenges, and comfortable working in a highly collaborative, fast-paced environment.
• Bonus structure and compensation aligned with seniority and subject to local regulations.

This opportunity is ideal for those with a passion for deep engine work and large, technically complex, real-time platforms. If you are interested in shaping the next generation of interactive worlds, we encourage you to apply.