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 a world-class cloud IDE that facilitates instant synchronization between game developers using our flagship Team Create product. As a Principal Engineer with the Collaboration team, you will be reporting to the engineering manager, 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 reusable 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 development in the metaverse performant, social and most of all fun! You Are: • Experienced: you have at least 8+ years experience and you've worked on deep and challenging problems with large scale systems along with experience in C++ codebases. You hold a BS or MS in Computer Science, or have equivalent practical experience.  • Understands Scale: Building highly available and scalable systems are your forte • Hands-on: Experience with microsystem architecture, multithreading and have an understanding of networking primitives. Ability to deliver end to end and bring features from vision to life. Commanding grasp of what it takes to build performant user flows • Responsible: you build systems that work and keep on working reliably. You are rigorous in handling potential failure cases, and diligent in automated testing • Curious: you want to learn, and stay up-to-date on technology developments • Collaborative: Excellent communication skills and follow-through You Have: • Familiarity how version control systems work under the hood is a plus • Familiarity with file storage systems or network protocols • Familiarity with the internals of database systems, is also a plus You Will: • Plan and deliver complex technical features E2E in our game engine and in the Studio UI 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 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.