Senior Game UI Engineer

Ironbelly Studios
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Posted
November 3, 2025
Full Time
CA, US, & EU
Remote

Ready to define the next generation of competitive FPS interfaces?

 

Build blazing-fast combat interfaces for the next blockbuster competitive shooter.

Join the veterans behind Call of Duty, Halo, and Bioshock at Ironbelly Studios. We're pushing Unreal Engine 5's limits with UI systems that maintain 144+ FPS while handling thousands of concurrent players in intense firefights.

 

đŸ’Œ The Mission

You'll architect performance-critical UI systems for a competitive multiplayer FPS where every millisecond matters. This means building server-authoritative HUDs with client prediction, crafting instant-feeling inventory and loadout systems, and seamlessly connecting interfaces with complex gameplay systems including weapon mechanics, AI state machines, and player progression.

Your code will handle real-time combat data, spectator modes, and the rapid iteration cycles that competitive gaming demands.

 

✅ Core Requirements

  • 3+ years game UI programming (we value potential alongside experience)
  • Unreal Engine UI experience (UMG, Slate, or similar game UI frameworks)
  • C++ proficiency with UI system implementation
  • Blueprint or visual scripting experience
  • 1+ shipped game project (commercial, indie, or substantial mod)

 

⭐ Ideal Experience

  • Multiplayer FPS or competitive game UI
  • UE5's UMG system expertise
  • UI performance optimization for 60+ FPS targets
  • Real-time data synchronization
  • Platform certification processes

 

🚀 Why Join Us

  • The Challenge: Architect UI for an competitive shooter that demands frame-perfect responsiveness while handling complex real-time systems.
  • The Team: Work with 20+ senior developers who've collectively shipped 300+ games. Direct impact on systems used by millions.
  • The Flexibility: Remote-first with optional Montreal studio access. Quarterly team gatherings for those who want them. We care about your output, not your location.

 

🌍 Location & Compensation

  • Open to candidates across Canada, US, and Europe
  • Fully remote with optional Montreal studio access
  • Competitive salary adjusted for location
  • Comprehensive benefits package
  • Relocation support available for those wanting Montreal
About
Ironbelly Studios

Ironbelly Studios is comprised of a talented, passionate and dedicated number of game developers from all corners of the globe. Our focus is on creating high quality entertainment experiences as well as providing outsourcing services at a fraction of the cost seen elsewhere.

From humble beginnings Ironbelly has grown to be one of the most trusted names in the indie development space, working on over 300 projects in our 15 years of service, ranging from AAA titles such as Gotham Knights down to small mobile titles. We bring passion and experience together and look for people who put games and their creation in the center of their world.

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