PrincipalFrontendEngineer,Co-Experience

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. As a Principal Frontend Engineer on the Co-Experience team, you'll define how hundreds of millions of Roblox users talk, hang out, and stay connected. If you've shipped consumer real-time audio/video calling — and you understand the reliability, latency, and trust constraints that come with it — this is your chance to bring that craft to a product unlike any other. Our flagship surface is the platform-level Party System: the heartbeat of social interaction on Roblox, where users form groups and stay together across servers and games. Our technical foundations are strong; we're accelerating toward product-market fit and need a principal who delivers. Your scope will span the full Communication surface — chat, voice, video — and formats we haven't built yet, across both traditional UI and immersive 3D environments. You'll shape the systems and APIs that let Roblox creators add rich social features to their own worlds, and lead technical strategy across multiple pods to bring it all together. You Will Lead with empathy and invest in the people around you. Mentor and grow senior engineers, remove roadblocks for your teammates, and cultivate an environment where everyone can do their best work. Shape the fr