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. Roblox Studio is the creation engine behind millions of immersive 3D experiences built by creators around the world. As a Principal Engineer focused on Collaboration, you will be leading the architecture and design of workflows on Roblox Studio and our platform enabling creators and AI agents to collaborate at scale by creating, sharing, and managing content. The ideal candidate has C++ and game engine experience, enjoys solving complex software problems and has a passion for mentoring other engineers on the team. We believe that collaborative teams are the future of building one’s imagination on Roblox and you will be designing and building features which unlock that vision. Join us in our mission to make collaboration at scale performant, frictionless, and most of all fun! You Will: • Plan and deliver complex technical features E2E in our game engine and in the Roblox Studio that will allow developers to grow in our community • Establish the foundational architecture and technical direction that will enable Studio to keep expanding its capabilities • Work cross functionally, across teams and technology platforms to deliver high quality and amazing user functionality • Lead by example and mentor engineers to implement technological best practices, patterns, and strategies • Improve the product quality by fostering automation testing • Participate in building the world's best professional application for massively multiplayer game development You Have: • At least 8+ years experience and you've worked on deep and challenging problems with large scale systems in C++ codebases • Worked on the internals of a multi-player game engine, solving problems related to scale, performance, latency, and throughput in client/server environments • Experience delivering end-to-end on features that span multiple teams and technology platforms • A Bachelor's degree in Computer Science or a similar technical field, or equivalent practical experience You Are: • Familiar with how version control systems work under the hood • Familiar with 3D scene and game development tools and workflows • Familiar with file storage systems or network protocols 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 $295,250 — $345,040 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.