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🎮 Senior Unreal Gameplay Developer | Multiplayer FPS ~ 🎮 Développeur(se) Gameplay Unreal Senior |FPS multijoueur

  • Source: LinkedIn
  • Ironbelly Studios
  • Remote
  • MontrĂ©al
  • Full-Time
  • Senior

Job Description

*Apply Directly on our Career Page* ~ *Postulez directement sur notre page Carrières*

Join the team who’s helped build 300+ 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 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. You’ll 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

đź’ˇ Why Ironbelly, What is in there for you?

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

Real Benefits: Competitive salary, comprehensive health coverage (dental, vision), generous PTO

📍 Location

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!

~

Rejoignez l’équipe qui a contribué à plus de 300 jeux, dont Call of Duty, Halo, PUBG et Bioshock.

Vous connaissez la différence entre la prédiction client et la réconciliation serveur. Vous avez déjà débogué des problèmes de réplication à 3h du matin. Vous comprenez pourquoi un budget de 16 ms par image est crucial dans les jeux de tir compétitifs.

Nous sommes Ironbelly Studios - plus de 20 vétérans de l’industrie qui bâtissent notre prochain FPS multijoueur sur Unreal Engine 5. Il s’agit d’une nouvelle architecture système développée de A à Z, pas de maintenance.

⚡ La mission

Prenez en charge l’architecture gameplay principale d’un jeu de tir compétitif entièrement financé, destiné à la communauté PC FPS la plus exigeante. Vous concevrez des systèmes capables de gérer des milliers de joueurs simultanés tout en maintenant la réactivité sous 16 ms exigée par les joueurs compétitifs.

🎯 Vos responsabilités

Concevoir l’architecture multijoueur

  • Concevoir une architecture Ă  autoritĂ© serveur avec prĂ©diction client et compensation de latence
  • ImplĂ©menter un système de balistique avancĂ© avec pĂ©nĂ©tration de matĂ©riaux et modĂ©lisation des dĂ©gâts
  • DĂ©velopper des machines Ă  Ă©tats IA pour les combats et la simulation du monde
  • Prendre en charge la rĂ©plication de l’inventaire et les systèmes de gĂ©nĂ©ration dynamique de butin

Assurer l’excellence technique

  • Optimiser pour un 60+ IPS constant dans des scĂ©narios multijoueurs intenses
  • Établir les meilleures pratiques Unreal au sein de l’équipe d’ingĂ©nierie
  • Équilibrer la sensation compĂ©titive avec la performance rĂ©seau

*Bâtir pour la crois…

Skills

  • unreal-engine
  • cplusplus
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