Join the team who's helped build300+ games ranging from Call of Duty, Halo, PUBG, and Bioshock You know the difference between client prediction and server reconciliation. You've debugged replication issues at 3 AM. You understand why a 16ms frame budget matters in competitive shooters.We're Ironbelly Studios - 20+ industry veterans building our next multiplayer FPS in Unreal Engine 5. This is current 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. You'll architect systems handling thousands of concurrent players while maintaining the sub-16ms responsiveness that competitive players demand.You Will Architect Multiplayer SystemsDesign server-authoritative architecture with client prediction and lag compensationImplement advanced ballistics with material penetration and damage modelingBuild AI state machines for combat encounters and world simulationOwn inventory replication and dynamic loot spawn systemsDrive Technical ExcellenceOptimize for consistent 60+ FPS in intense multiplayer scenariosEstablish Unreal best practices across the engineering teamBalance competitive feel with network performanceScale for SuccessImplement persistent player progression and reputation systemsDesign session management and skill-based matchmakingIntegrate backend services, databases,



and analytics pipelinesMust-Haves 5+ years shipping games with Unreal Engine (UE4/UE5)Deep C++ expertise in gameplay architectureShipped at least 2 commercial games (ideally multiplayer)Proven experience with weapon systems and combat mechanicsMastery of multiplayer concepts: replication, RPCs, lag compensationBackend integration experienceBonus Points Extraction shooter or Battle Royale developmentAnti-cheat and competitive integrity systemsGameplay Ability System (GAS) expertiseExperience scaling to 1000+ concurrent playersLive-service game operationsWhy Ironbelly? Proven Track Record: Our team has contributed to 300+ projects from indie to AAA franchisesTechnical Freedom: Senior engineers drive architectural decisions - no micromanagementStable & Funded: Fully-funded project with clear roadmap and experienced leadershipRemote-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 PTOLocation This is a hybrid 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!#J-18808-Ljbffr

📌 Senior Unreal Gameplay Engineer | Multiplayer Fps (Montreal)
🏢 Ironbelly Studios
📍 Montreal