Principal Software Engineer, Backend - Sharing

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 Software Engineer on the Sharing team, you will lead large, multi-team initiatives with long-term technical vision and group-level impact. You will be expected to define and drive the platform-wide strategy powering how millions of users capture, share, and discover content on Roblox. In this role, you will set engineering standards, mentor senior engineers, and serve as a key architect of our long-term technical direction.

You Will

• Drive Strategy & Execution: Own the outcome of complex, business-critical programs spanning several teams, often lasting years.


• Innovate at Scale: Develop and drive a multi-year technical vision for content creation and sharing, anticipating scale, technology, and business evolution.


• Elevate Reliability: Lead high-severity incident response across groups; drive durable systemic solutions that improve reliability and velocity.


• Architect Foundations: Regularly improve shared infrastructure and foundational systems, introducing frameworks that uplift development speed across the organization.


• Align Teams: Aligns multiple teams on shared technical direction, producing detailed design docs, phased roadmaps, and planning models that balance short and long-term goals.


• Cultivate Talent: Shape hiring, closing, and retention of top talent, and lead engineering excellence and quality initiatives across your group while mentoring senior engineers.


• Represent Roblox: Contributes externally to elevate the company’s technical brand and influences Roblox's standing in the external technical community.

You Have

• Technical Foundation: 8+ years of experience building large-scale backend systems in C++, C#, Java, or similar languages.


• System Design Expertise: Deep experience designing distributed systems, scalable APIs, and high-throughput backend services.


• Consumer Scale: Experience working on consumer-facing platforms at scale with millions of users.


• Proven Leadership: A demonstrated track record of leading large, multi-team initiatives with long-term technical vision and group-level impact.


• Operational Excellence: Experience acting as an escalation point for the hardest production or infrastructure incidents, and a history of defining technical investment strategies with senior leadership.


• Exceptional Communication: The ability to communicate effectively across audiences to enable sound decisions and model inclusive, respectful collaboration.


• Education: A Bachelor’s degree in Computer Science or a related field, or equivalent practical experience.