UI Engineer – Dragonwilds

Jagex

UI Engineer developing gameplay-facing UI and collaborating with designers for RuneScape: Dragonwilds. Focused on building reliable and maintainable UI solutions with Unreal Engine.

Posted 5/5/2026full-timeCambridge • 🇬🇧 United KingdomMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

Unreal Engine

About the role

Key responsibilities & impact

Build gameplay-facing UI in Unreal using UMG, Common UI, and MVVM where appropriate.
Create reusable widgets, frameworks, data flows, and tools that help designers iterate quickly.
Connect UI to gameplay systems, including abilities, attributes, cooldowns, and player status.
Refactor legacy UI into cleaner, more consistent, production-ready systems.
Work with designers and UX to turn player-facing goals into practical Unreal solutions.
Keep UI performant, reliable, and multiplayer-safe under complex gameplay conditions.
Debug UI, input, replicated state, and edge cases across core game flows.
Help set UI engineering standards for architecture, naming, ownership, and Blueprint/C++ usage

Requirements

What you’ll need

Solid experience with Unreal Engine development.
Knowledge of UMG, Slate fundamentals, Blueprint/C++ integration, and the Unreal gameplay framework.
Demonstrable experience integrating UI with GAS or similarly complex gameplay and state systems.
Understanding of ViewModel usage, separation of concerns, and maintainable UI architecture.
Track record of refactoring inherited UI codebases and improving technical structure.
Strong experience working on multiplayer games.
Experience with Unreal Viewmodel/MVVM plugin in production is a benefit
Experience with Common UI, input routing, platform UX, and UI tooling is a benefit

Benefits

Comp & perks

Private Healthcare, including Dental Plan.
Discretionary annual performance bonus.
Minimum 6% Pension contributions.
Life Insurance.
Enhanced family leave policies from day 1.
Flexible working hours.
25 days annual leave + Bank holidays & the option to buy/sell holidays + so much more!

ATS Keywords

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Hard Skills & Tools

Unreal EngineUMGBlueprintC++MVVMGASUI architecturemultiplayer game developmentinput routingUI tooling

Soft Skills

collaborationproblem-solvingcommunicationcreativityadaptabilityattention to detailtime managementcritical thinkingleadershiporganizational skills