Senior Performance Engineer - Remote
Temps plein
Ironbelly Studios
Remote-First (Canada USA South America)
Join the team whos helped build 300 games ranging from Call of Duty Halo PUBG and Bioshock
You know the difference between client prediction and server reconciliation. Youve debugged replication issues at 3 AM. You understand why a 16ms frame budget matters in competitive shooters.
Were Ironbelly Studios - 20 industry veterans building our next blockbuster multiplayer FPS in Unreal Engine 5. This is new system architecture from the ground up not maintenance work.
The Mission
Own the core gameplay architecture for a fully-funded competitive shooter targeting the hardcore PC FPS community. Youll architect systems handling thousands of concurrent players while maintaining the sub-16ms responsiveness that competitive players demand.
You Will
Architect Multiplayer Systems
Design server-authoritative architecture with client prediction and lag compensation
Implement advanced ballistics with material penetration and damage modeling
Build AI state machines for combat encounters and world simulation
Own inventory replication and dynamic loot spawn systems
Drive Technical Excellence
Optimize for consistent 60 FPS in intense multiplayer scenarios
Establish Unreal best practices across the engineering team
Balance competitive feel with network performance
Scale for Success
Implement persistent player progression and reputation systems
Design session management and skill-based matchmaking
Integrate backend services databases and analytics pipelines
Must-Haves
- 5 years shipping games with Unreal Engine (UE4/UE5)
- Deep C expertise in gameplay architecture
- Shipped at least 2 commercial games (ideally multiplayer)
- Proven experience with weapon systems and combat mechanics
- Mastery of multiplayer concepts: replication RPCs lag compensation
- Backend integration experience
Bonus Points
Extraction shooter or Battle Royale development
Anti-cheat and competitive integrity systems
Gameplay Ability System (GAS) expertise
Experience scaling to 1000 concurrent players
Live-service game operations
Why Ironbelly
Proven Track Record: Our team has contributed to 300 projects from indie to AAA franchises
Technical Freedom: Senior engineers drive architectural decisions - no micromanagement
Stable & Funded: Fully-funded project with clear roadmap and experienced leadership
Remote-First Culture: Work from anywhere in Canada USA or South America. Optional collaboration at our Montreal hub for those who want it.
Real Benefits: Competitive salary comprehensive health coverage (dental vision) generous PTO
Location & Work Style
Fully Remote across Canada USA and South America with flexible hours to support multiple time zones.
Montreal-based team members can use our studio space but its entirely optional. We prioritize talent over location.
L'offre d'emploi a été publiée Il y a 2 mois
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