Senior Unreal 5 Multiplayer Engineer | Multiplayer FPS

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 isn't another Web3 experiment. This is a gameplay-first 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 built 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 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.

Key Skills

APIs, C / C++, Computer Graphics, Go, React, Redux, Node.js, AWS, Library Services, Assembly, GraphQL, High Voltage

Employment Type: Full Time

Experience: years

Vacancy: 1