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Principal Software Engineer

Roblox
San Mateo, USAfull_timePosted 4 Nov 2026

About the role

<div class="content-intro"><p><span style="font-weight: 400;">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.&nbsp;</span></p> <p><span style="font-weight: 400;">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.</span><strong> </strong><span style="font-weight: 400;">We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there.&nbsp;</span></p> <p><span style="font-weight: 400;">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.</span></p></div><p>As a Principal Software Engineer of the Game Engine data model team, you will innovate on the core data structures that form the backbone of Roblox’s platform.&nbsp; In this role you will have first hand opportunity to design and build one of the core technologies that makes the Roblox game engine special.&nbsp;&nbsp;</p> <p>The Data Model framework provides an interface between engine capabilities and our creators.&nbsp; It also acts as a fabric to core technologies, such as networking, scripting, Studio, rendering and physics which are essential to the high performance of the Roblox game engine.&nbsp; This role is in our San Mateo, CA HQ three days a week (Tuesdays to Thursdays).</p> <p>You Will:</p> <ul> <li><strong>Develop</strong> engine code that performs well for all user-created games on the Roblox platform.</li> <li><strong>Establish</strong> the foundational architecture and technical direction for the team.</li> <li><strong>Work cross-functionally</strong>, across teams and technology platforms to deliver high quality and amazing functionality.</li> <li><strong>Lead</strong> by example and mentor engineers to implement technological best practices, patterns, and strategies.</li> <li><strong>Improve</strong> the product quality by encouraging automation testing.&nbsp;&nbsp;</li> <li><strong>Take Ownership</strong> of projects throughout their full lifecycles.</li> <li><strong>Execute</strong> on all the devices Roblox supports - from desktop clients to mobile phone clients to console clients.</li> </ul> <p>You Have:</p> &l

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Company

Roblox

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