Senior Game Engine & Network Transport Engineer

Roblox; California (MO); On-site; USD 243,000 - 295,000; Full time

Job summary

Roblox is seeking a Senior Network Transport Engineer to help ensure real-time, low-latency game networking across desktop, mobile, and console clients. You will work on a powerful user-space network stack, a massive distributed system, and a game engine networking layer to optimize performance.

You have 7+ years in game networking, deep CPU-level memory and C++ expertise, and a passion for open source. This role is based at the Roblox San Mateo headquarters with on-site work requirements.

Qualifications

• 7+ years of experience in game networking from a game engine/studio.
• Deep understanding of CPU-level memory management and modern C++ features.
• Experience with Linux networking, QoS, congestion control.
• Strong systems-level thinking and openness to open source contributions.

Responsibilities

• Develop and optimize the user-space network stack for scale, latency, and throughput.
• Contribute to a large multithreaded distributed system serving millions of players.
• Work across desktop, mobile, and console targets.
• Collaborate on game engine networking components to improve real-time synchronization.
• Analyze and optimize network communication to minimize waste and latency.

Skills

C++ programming

Linux networking

Network stack

Distributed systems

Game networking

Job description

Roblox is seeking a Senior Network Transport Engineer to help ensure real-time, low-latency game networking across desktop, mobile, and console clients. You will work on a powerful user-space network stack, a massive distributed system, and a game engine networking layer to optimize performance.

You have 7+ years in game networking, deep CPU-level memory and C++ expertise, and a passion for open source. This role is based at the Roblox San Mateo headquarters with on-site work requirements.