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# Senior Software Engineer, Core UI

- **Company:** Roblox
- **Location:** San Mateo, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Component-Based Software Engineering, C++ (Programming Language), Profiling, Lua (Scripting Language), Software Engineering, ReactJS, Solid Principles, Roblox, React Native, Front End Software Development
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25303_e41597fb8e2f7ce79ba1e778141fe27b

## About the Role

* 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., * 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.

For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on this page.

## Description

* 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.