Senior Software Engineer, Core UI

• Design, build, and own end-to-end development of user-facing features and systems across mobile, desktop, VR, and consoles.
• Develop robust, extensible systems powering Roblox's core surfaces (Home, Avatar, Search, and more) used by hundreds of millions of users and creators.
• Create scalable solutions for building high-quality, intuitive, and reliable user interfaces that elevate the overall product experience.
• Partner with engineering, product, and design teams to deliver cohesive, delightful user experience.

Do you have experience in Usability?, * 4+ years of software development experience building large-scale, user-facing applications.

• Strong expertise in modern frontend technologies, including frameworks like React or similar, component-based architecture, and state management patterns.
• Experience delivering high-quality user experiences with attention to usability, reliability, and maintainability.
• Solid understanding of software design principles and frontend architecture, with the ability to design clean APIs and well-structured systems.
• Excellent communication and collaboration skills, with the ability to work cross-functionally and drive alignment on technical solutions.

Nice to Have:

• Experience with Lua or React Native in a production environment.
• Experience with UI performance profiling and optimization.
• Experience developing applications across multiple platforms (mobile, desktop, VR, consoles).
• Familiarity with C++ for understanding Roblox engine integration.

Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted).

4.14.1 out of 5 stars San Mateo, CA 94403 $195,780 - $295,250 a year

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.