Senior Unreal 5 Multiplayer Engineer

7 days ago

Montreal, Quebec, Canada Ironbelly Studios Full time $90,000 - $120,000 per year

 The Opportunity

Join 20+ industry veterans at Ironbelly Studios (300+ delivered projects) creating a groundbreaking extraction shooter that's redefining player ownership in gaming. We're building 
tournament-grade multiplayer systems
 for a revolutionary FPS that combines hardcore competitive gameplay with true digital economies - and we need a multiplayer engineer to own critical systems that will support millions of players.

This is a 
gameplay-first shootger
with sustainable player-owned economies, built by developers who've shaped the biggest franchises in gaming.

Your Mission

As our Senior Multiplayer Engineer, you'll own game-critical systems:

Core Multiplayer Ownership:

  • Architect & implement
     matchmaking, server lifecycle, and fleet orchestration
  • Build social infrastructure
     including friends, parties, and voice chat systems
  • Integrate backend services
     and third-party platforms for massive scale
  • Optimize netcode
     for tournament-grade competitive gameplay
  • Collaborate directly
     with world-class designers from AAA franchises

The Systems You'll Ship:

  • Extraction shooter with 
    robust server authority
     and advanced client prediction
  • Complex replication for 
    weapon traces, AI state machines, inventory systems
  • Persistent progression
     with reputation tracking and creator tools
  • Material penetration physics
     and projectile simulation
  • Revolutionary player ownership features that empower communities

What You Bring

Required:

  • 3+ years multiplayer development
     with C++ and Unreal Engine
  • Proven experience
     with matchmaking & server systems
  • Bachelor's/Master's in CS or equivalent experience
  • Strong collaborative skills
     - you'll work with diverse, agile teams
  • Passion for creating 
    premium competitive experiences

Bonus Points:

  • Unreal Online Subsystem expertise
  • Backend platforms experience (PlayFab, AccelByte, Pragma, GameLift)
  • Startup or fast-paced environment background
  • Experience with extraction shooters or competitive FPS titles

Why Ironbelly Studios?

The Team:
 Work alongside decorated veterans who've helped build Call of Duty, Halo, Bioshock, PUBG, and Batman. Our Montreal studio brings together talent that's shaped gaming history.

The Impact:
 This isn't maintaining existing systems - you're building multiplayer architecture from the ground up for a game that will define a new genre of player-owned competitive gaming.

The Culture:
 Trust-based, data-driven, and autonomous. We value continuous improvement and high-quality craftsmanship in a collaborative environment.

The Benefits:

  • Shape a blockbuster from day one with senior ownership
  • Hybrid Montreal office - collaborate in-person 1-2 days/week
  • Be part of gaming's next evolution

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

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