Senior Software Engineer, Creator Collaboration

<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 Senior Engineer on the Collaboration team, you will design and build the services that let creators work together, and increasingly, that let AI agents work alongside them. One of the areas is our flagship Team Create product, which enables creators to collaborate in real time with friends and coworkers. Just as important is the Creation Platform underneath it: the APIs and services that power external agents through MCP, along with Build on Roblox and other agentic products. You will be solving problems in scale, architecture, and design to build software that supports larger and better collaboration between teams of developers, artists, and the agents they bring into the loop. The ideal candidate has full-stack knowledge, experience on large-scale systems, enjoys solving complex software problems and has a passion for mentoring other engineers on the team.</p> <p>We believe collaboration, larger teams, and AI-assisted creation are the future of building one's imagination on Roblox, and you will be designing the platform that makes it possible. Join us in our mission to make collaborative development performant, social, and most of all fun.</p> <p>You Will:</p> <ul> <li>Help and understand the needs of the community that uses our software, from beginning artists to professional scripters and designers.</li> <li>Take ownership and responsibility for designing, building, testing, and deploying services within the Roblox ecosystem.</li> <li>Own the Creation Platform that powers agentic products, including the APIs and services that agents reach through MCP.</li> <li>Be a technical bar-raiser for high code quality, architectural designs, and long-term planning along with mentoring fellow engineers on the team.</li> </ul> <p>&nbsp;</p> <p>You Have</p> <ul> <li>Experience architecting, designing and leading implementation of a wide array of software products</li> <li>Experience supporting mission-critical applications at scale</li> <li>Proficiency in C#, C++, Java, Python or similar programming languages</li> <li>Familiarity with agentic systems, harnesses and models</li> </ul> <p>&nbsp;</p> <p>You Are:</p> <ul> <li>An outstanding software engineer with 7+ years shipping high complexity code</li> <li>Understanding of SQL and NoSQL databases at scale</li> <li>You understand the components required to build modern large-scale infrastructure. You can recommend one route versus another and bring engineers to an agreement.&nbsp;</li> <li>Comfortable designing platforms and APIs that other products, including AI agents, build on top of. Familiarity with MCP or similar agent tooling is a plus.</li> </ul><div class="content-pay-transparency"><div class="pay-input"><div class="description"><p>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 experi