Principal Software Engineer, Sharing

Roblox • San Mateo, CA

33d • Hybrid

About The Position

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 shape the technical direction that powers how millions of users capture, share, and discover content on Roblox. You will lead the design of large-scale backend systems that support high-performance content creation, sharing, and discovery across the platform.
You will partner closely with engineering, product, and infrastructure teams to define long-term architecture, drive technical excellence, and guide teams in building scalable and reliable systems. This role is ideal for engineers who thrive on solving complex distributed systems challenges while empowering other engineers and teams to do their best work.

Requirements

• 8+ years of experience building large-scale backend systems in C++, C#, Java, or similar languages.
• Deep experience designing distributed systems, scalable APIs, and high-throughput backend services.
• Proven ability to lead complex technical initiatives across multiple teams or systems.
• Strong experience mentoring engineers and guiding teams through complex system design and architecture decisions.
• Experience working on consumer-facing platforms at scale with millions of users.
• Excellent product and systems thinking — able to balance user experience, system performance, and long-term maintainability.
• A Bachelor’s degree in Computer Science or a related field, or equivalent practical experience.

Responsibilities

• Define and drive the technical vision for large-scale backend systems that power content creation, sharing, and consumption across Roblox.
• Lead the design and evolution of scalable distributed services that support billions of content interactions each day.
• Guide and mentor engineers across the team, helping raise the bar for system design, code quality, and operational excellence.
• Partner with product, infrastructure, and safety teams to shape cross-team architecture and ensure systems scale with the platform’s growth.
• Identify systemic challenges across teams (performance, reliability, developer workflows) and drive long-term technical improvements.
• Provide technical leadership during complex projects, helping teams make sound architectural decisions and navigate trade-offs.
• Influence engineering best practices across the organization and help evolve the platform’s backend architecture.
• Help grow the engineering organization by mentoring senior engineers and helping attract top technical talent.

What This Job Offers

• Job Type: Full-time
• Career Level: Principal