Principal Software Engineer - Sharing

As a Principal Frontend Software Engineer on Roblox’s Sharing team, you'll lead engineering efforts that fuel Roblox’s growth by making it easier for users to share experiences both on and off the platform. You’ll design and build products and systems that enable millions of users to seamlessly invite their friends into Roblox experiences, fostering community and engagement at scale. Leveraging the Roblox game engine and development tools, you'll help create innovative sharing capabilities that empower developers to build groundbreaking, delightful, and viral experiences. Your work will directly support our developer community in reaching broader audiences, fueling their growth and amplifying user connections across the Roblox ecosystem. You will own critical sharing features used daily by millions and will pioneer new zero-to-one features that further drive user engagement and platform growth. With millions of daily active users (and rapidly growing), we're looking for an experienced engineer who is passionate about designing and delivering world-class user experiences.

You Are:

• Proactive: You operate with a sense of urgency, initiating conversations and workflow that pushes team projects and people forward
• A Leader: You have initiated and facilitated challenging technical decisions across multiple teams and organizations.
• Scrappy: You are willing to dive into any tech stack to solve problems, and can easily adapt to any situation when the need arises and come up with the right solution.
• A product owner: You champion for changes that align with the needs of our users and developers
• Data‑Driven: You base decisions on clear metrics and rigorous experimentation, continually measuring impact so the team stays focused on the highest‑value outcomes.

You will:

• Collaborate closely with cross-functional teams (Product, Design, Data Science) to deliver user-facing features impacting millions of daily active users on Roblox. 
• Design and implement scalable, reliable, and secure APIs and interfaces used by millions of developers. 
• Develop innovative product features enabling users and developers to invite others onto the platform for shared, enjoyable experiences.
• Lead experiments to test product hypotheses and leverage results for data-driven decision-making. 
• Support production systems through shared on-call rotations, ensuring high reliability and rapid incident response.
• Write and maintain high-quality, performant code; continuously refactor and enhance the existing codebase. 
• Drive improvements in system reliability, performance optimization, and comprehensive test coverage. 
• Raise the quality bar, delivering user experiences that surpass previous platform standards. Lead the architecture and implementation of scalable end-to-end systems serving hundreds of millions of users and developers. 
• Mentor and grow engineers, continuously elevating team capability and technical standards.

You Have:

• 8+ years of experience designing, building, and supporting highly available and large-scale distributed fault tolerant services in production environments 
• Proficiency in C++ (preferred)
• Bachelor's degree or higher in Computer Science or a related field. 
• (Bonus) Experience with social products and game development in lua.