Senior Software Engineer - Game Engine Network (C++)

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San Mateo, CA, United StatesPosted Today

Role Overview

Roblox is hiring a Senior Software Engineer - Game Engine Network (C++). This is a full-time role in San Mateo. posted today. applications are still in the early window, before most candidates have applied. Full responsibilities, required qualifications, and the apply link are listed in the description below.

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Job description

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 Senior 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 understand how a game engine works

You Are:

A software engineer with 4+ years of experience with Game networking coming from a Game Engine/Studio
A deep understanding of Network Stack with a passion for working with open source
Strong systems-level C++ programming experience and fascinated by the actual work the CPU does when you use smart pointers, templates, virtual functions, and blocks of memory, both structured and raw
Experience with Linux networking and have a good understanding of common network protocols
Keen to each millisecond of the network exchanges: You know where the time goes and how to reduce the waste
Understanding of what happens on the operating systems level when certain code is completed

For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on this page.

Annual Salary Range

$195,780—$242,100 USD

Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted).

Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process.

For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

About Roblox

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Frequently Asked Questions

How do I apply for the Senior Software Engineer - Game Engine Network (C++) position at Roblox?

Use the Apply button above to submit your application directly to Roblox. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Senior Software Engineer - Game Engine Network (C++) position at Roblox located?

This position is based in San Mateo. Roblox has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Senior Software Engineer - Game Engine Network (C++) at Roblox earn?

Roblox has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Senior Software Engineer - Game Engine Network (C++) role at Roblox posted?

This role was posted on July 12, 2026 (today). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

How much experience does the Senior Software Engineer - Game Engine Network (C++) role at Roblox require?

This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Roblox lists their specific requirements in the description below, so review the must-have qualifications closely before applying.