Principal Engine Programmer - Systems (C++)

The Engine Networking Team pulls the players together by ensuring the communication of the game state to all. As a Principal Engineer on this team you will help the players experience the game as a nearly synchronous world. The networking and asset loading team plays a key role in a smooth experience for the players. You will work in all areas of the game platform in your quest for real-time communication of every part of Roblox.

You Will:

• Lead engineers with 8+ years of industry experience


• Understand the game networking with a passion for working with open source


• Be experienced with asset loading, rendering, and networking coming from a Game Engine/Studio. (Desirable)


• Be an amazing systems-level C++ programmer and be fascinated by the actual work the CPU does when you use smart pointers, templates, virtual functions, and blocks of memory, both structured and raw


• Have a keen to each millisecond of the network exchanges: You know where the time goes and how to reduce the waste


• Understand what happens on the operating system level when certain code is completed

You Have:

• Worked on the guts of a multi-player game engine, solving problems related to scale, performance, latency, and throughput in client/server environments.


• Worked on a very large multithreaded distributed system that connects millions of users worldwide.


• Worked on the devices Roblox supports - from desktop clients to mobile phone clients to console clients