Principal Software Engineer - Streaming

Role Overview

The Engine Networking Team pulls the players together by ensuring the communication of the game state to all. As a Principal Network Transport Engineer, you will help players experience the game as a nearly synchronous world, working across all areas of the game platform to enable real-time communication at Roblox.

Responsibilities & Experience

• Worked on a powerful user-space network stack, solving problems related to scale, performance, latency, and throughput in client/server environments.
• Worked on a very large multithreaded distributed system connecting millions of users worldwide.
• Worked on all devices Roblox supports, from desktop to mobile and console clients.
• Worked on a game engine and understand how a game engine functions.

Qualifications

• 10+ years of experience with game networking from a game engine or studio.
• Deep understanding of network stacks with a passion for working with open source.
• Strong systems-level C++ programming experience, understanding low-level CPU behavior with smart pointers, templates, virtual functions, and structured/raw memory management.
• Experience with Linux networking, QoS, and congestion control algorithms.
• Strong attention to latency and network performance optimization.
• Understanding of operating systems-level execution.