🎮 Senior Unreal 5 Multiplayer Engineer | Multiplayer FPS
This is hardcore FPS development at its finest—where technical excellence meets innovative gameplay systems.
We usually respond within two weeks
🎮 The Team
Join a team of gaming veterans who've shipped Call of Duty, Halo, Bioshock, PUBG, and Batman! The Ironbelly Team has successfully delivered 300+ projects and now we're building something extraordinary—a tournament-grade extraction shooter that puts gameplay first.
🚀 The Technical Challenge
You'll architect the multiplayer backbone for a competitive FPS supporting millions of players:
Core Systems You'll Own:
- Matchmaking architecture and dedicated server lifecycle management in Unreal 5
 - Fleet orchestration for global deployment with sub-60ms latency targets
 - Netcode optimization for tournament-integrity hit registration and rewind
 - Complex replication: projectile physics, material penetration, AI state machines
 - Social infrastructure: friends, parties, voice chat, persistent progression
 - Backend service integration at massive scale (PlayFab/AccelByte/Pragma)
 
âś… Your Profile:
- 3+ years shipping multiplayer games with C++ and Unreal Engine
 - Deep experience with server architecture and matchmaking systems
 - Track record optimizing replication for competitive FPS gameplay
 - BS/MS Computer Science or equivalent battlefield experience
 - Collaborative mindset for working with world-class designers
 
Bonus Experience:
- Unreal Online Subsystem architecture
 - Extraction shooter or hardcore FPS development
 - Backend platforms and LiveOps at scale
 - GAS (Gameplay Ability System) for multiplayer
 
Why Ironbelly?
âś… Build multiplayer architecture from scratch, not maintain legacy code
âś… Work directly with decorated AAA veterans in a senior-heavy team
âś… Montreal hub with flexible hybrid options (1-3 days office)
âś… Shape a genre-defining title from day one
âś… Competitive compensation and benefits
📍 Location
This is a hybrid / remote role based in Montreal, Quebec. We're building a centralized team in one of gaming's most vibrant cities. Local candidates or those willing to relocate will be prioritized but all are welcome
- Department
 - Engineering
 - Role
 - Unreal Multiplayer Engineer
 - Remote status
 - Hybrid
 
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.