R
Roblox
Principal Software Engineer (Game Engine Systems, C++)
2 months ago
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Important information
Contract type:
Permanent
Salary:
$293,800 – $343,340 / year
Location:
San Mateo, CA, USA
Work mode:
Onsite
Published on:
14 August 2026
What they need
- 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
- 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- 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 the devices Roblox supports - from desktop clients to mobile phone clients to console clients
- Worked on a very large multithreaded distributed system that connects millions of users worldwide
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