Senior Software Engineer, Fullstack

Roblox • San Mateo, CA

8h • 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.
This is a high-impact role on our Consumer Platforms- Web & Backend team. You'll be central to a major project, modernizing our web platform by leading a large-scale migration from Angular to React. The position is not just frontend; you'll also build the backend, maintaining core microservices for website functionality and compliance. You'll tackle key challenges like increasing frontend stability and resilience, helping the entire company adopt universal design components. This role involves close collaboration with Design, Product, and other Engineering teams, providing a highly visible impact on the user experience.

Requirements

• 4+ years of experience as a full-stack engineer, with a proven track record of building and shipping production-level applications.
• Proficiency in frontend technologies, including expertise with modern component-based UI frameworks like React.
• Solid experience with backend development, including designing APIs, working with microservices and databases, and building scalable server-side logic using languages such as Node.js.
• A deep understanding of the entire application lifecycle, from architecture and design to deployment and maintenance.
• A strong design sensibility and a commitment to creating highly accessible and visually polished user interfaces.
• Exceptional communication and collaboration skills, with the ability to lead discussions and work effectively with product, design, and other engineering teams.
• Bachelor’s or Master’s degree in Computer Science or equivalent professional experience.

Nice To Haves

• Experience contributing to or managing a design system is a plus.

Responsibilities

• Lead systematic improvements to our UI development processes and architecture.
• Partner with feature teams to deliver high-quality, polished UI implementations.
• Architect, build, and maintain our design system in collaboration with cross-functional teams, ensuring consistency and scalability across all products.
• Collaborate with product designers to translate complex design concepts into clean, functional, and high-performance code.
• Innovate and enhance our component library and associated developer tooling to boost team productivity.
• Champion best practices for writing clean, maintainable, and well-documented code.
• Stay ahead of industry trends in frontend & backend development, component-based frameworks, and UI/UX to drive continuous improvement.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 1,001-5,000 employees