- Senior Unreal 5 Multiplayer Engineer | Multiplayer FPS

Ironbelly Studios; Montreal; On-site; CAD 80,000 - 100,000; Full time

Job summary

A leading gaming studio in Montreal seeks a Senior Multiplayer Engineer to design and implement game-critical multiplayer systems for an innovative extraction shooter. Candidates should have 3+ years of experience with C++ and Unreal Engine, along with a background in multiplayer development. Enjoy a hybrid work environment and the opportunity to be part of a groundbreaking team in the gaming industry.

Benefits

Shape a blockbuster from day one with senior ownership

Collaborate in-person 1-2 days / week

Be part of gaming's next evolution

Qualifications

• 3+ years multiplayer development with C++ and Unreal Engine.
• Proven experience with matchmaking & server systems.
• Strong collaborative skills - you'll work with diverse, agile teams.
• Passion for creating premium competitive experiences.

Responsibilities

• 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.

Skills

C++

Unreal Engine

Multiplayer development

Matchmaking & server systems

Collaborative skills

Education

Bachelor's / Master's in CS or equivalent experience

Tools

Unreal Online Subsystem

Backend platforms (PlayFab, AccelByte, Pragma, GameLift)

Job description

Job Description

Job Description

???? 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 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

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