Principal Gameplay Engineer - FTC

Supermassive Games have produced some of the most recognisable and compelling storytelling titles in the world of AAA games. The BAFTA-winning Until Dawn
, the cinematic masterclass of The Dark Pictures Anthology
, the multi-award winning The Quarry
, the action-packed roller coaster horror VR titles Switchback VR and Rush of Blood to the world of Little Nightmares, and many more!

We’re looking for a Principal Gameplay Engineer to join our team on a fixed-term contract basis.

This is an exciting opportunity to make a high-impact contribution, as an expert in your field, this role is perfect if you want to remain hands‑on whilst supporting others and help shaping technical direction.

This is a fixed term contract until November 2026 (we therefore cannot offer sponsorship for this vacancy)

• Act as a leading technical expert, providing deep engineering insight Principal
• Deliver robust, maintainable, high-quality code across complex, interconnected gameplay and engine systems
• Tackle the unique technical challenges including bespoke frameworks and internal mesh networking.
• Guide architectural decisions involving Core Unreal Actor/Component systems and GAS driven workflows.
• Identify and solve complex technical risks, ensuring reliability, performance, and long-term stability.
• Drive improvements to performance, profiling, workflows, tools, and engineering practices across the project and studio.
• Collaborate closely with design, art, production, and technical leadership to ensure features meet creative and technical goals.
• Mentor and develop engineers across the craft, raising technical standards and supporting growth.

• Familiarity with replication/networking and physics in a live setting
• Core Unreal Actor and Component structure including GAS is fundamental
• Knowledge of sequencer and sequencer-based workflows
• Expertise in profiling both with Insights and CSV and LLM optimisation for performance
• Unreal Engine game feature plugin structure, and core engine architecture understanding
• Gen9, Gen8, PC and mobile cross platform development would be ideal

• 25 Days Annual Leave (3 of which are used when we close the studio for our end of year break)
• Private Medical Insurance (BUPA)
• Medicash assistance (Including dental and optician support)
• Life Assurance (6 x annual salary)
• Pension Scheme
• Employee Assistance Programme
• Income Protection
• Enhanced Family Leave (maternity and paternity pay)