Primary record

Principal Software Engineer - Network Transport (C++)

Roblox Indexed employerSan Mateo, CA, United States
Source-hosted applyChecked 4h agoFull-Time
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Workplace

On-site

Employment

Full-Time

Published

Aug 11, 2026

Closes

No date supplied

The role

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there.

A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.

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 the players experience the game as a nearly synchronous world. Just as the nerves in our bodies coordinate our actions, the network system coordinates all the computers involved into 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 Have:

• 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 that connects millions of users worldwide.

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

• Worked on a game engine and u

Requirements

Department: Software Engineering