Senior Backend Engineer | Multiplayer FPS

THE MISSION

Build the backend that powers thousands of concurrent battles in our next-generation competitive FPS. This isnt web development with game features - this is architecting the real-time infrastructure that hardcore players demand: sub-50ms response times bulletproof persistence and flawless matchmaking for a title that will compete with CS2 and Valorant.

WHY THIS ROLE MATTERS

You wont be building CRUD APIs. Youll own the entire competitive integrity of our game:

• Player Trust: Your persistence layer holds millions in virtual items
• Match Fairness: Your matchmaking determines every players experience
• Live Operations: Your systems handle 10000 concurrent matches without breaking a sweat

YOUR TECHNICAL BATTLEFIELD

Mission-Critical Systems Youll Own:

• Stateful Game Services: Design distributed systems managing real-time game state across thousands of concurrent matches
• High-Performance Matchmaking: Build ELO-based matchmaking supporting 50000 concurrent players with <5 second queue times
• Inventory & Economy Backend: Architect transactional systems managing player inventories worth real money
• Anti-Cheat Integration: Implement server-authoritative validation and integrate with BattlEye/EAC
• LiveOps Infrastructure: Build hot-patching systems for zero-downtime updates during peak hours

Your Arsenal:

• Game-Specific: PlayFab/Pragma/AccelByte or custom equivalents
• Infrastructure: Kubernetes orchestrating 1000 pods AWS GameLift/Agones
• Performance: Redis for session state PostgreSQL for persistence 100K ops/second
• Protocols: WebSockets gRPC for service mesh UDP for game traffic
• Monitoring: Real-time observability handling 1M events/minute

REQUIRED EXPERTISE

Non-Negotiable Technical Skills:

• 7 years shipping multiplayer game backends (not web apps that happen to be games)
• Proven scaling experience: Youve handled 50K CCU in production
• Battle-tested with: PlayFab Pragma AccelByte or built similar from scratch
• Deep knowledge: Kubernetes at scale AWS game services NodeJS performance optimization
• Game-specific expertise: Tick rates client prediction lag compensation state synchronization

Evidence We Need:

• Shipped titles you can point to on Steam/Epic/Console
• War stories about scaling failures and how you fixed them
• Specific metrics: CCU handled latency achieved uptime maintained
• Your approach to common problems: inventory duplication match state corruption DDOS mitigation

BONUS MULTIPLIERS

• Direct Unreal Engine 5 replication system experience
• Contributions to GDC talks or technical game blogs
• Experience with competitive game ranking systems (ELO TrueSkill)
• Background in anti-cheat or game security

THE GAME YOULL POWER

Were building the competitive FPS that PC players have been waiting for. Think CS:GOs competitive integrity meets modern gameplay. Your backend will be the difference between another shooter and the next decades esport.

READY TO SHIP

Send your resume and include:

1. Your most impressive multiplayer backend scaling achievement
2. The largest CCU youve personally supported in production
3. Your GitHub or technical blog (if available)