Senior Software Engineer, Foundation & Luau Platform

Location: San Mateo, California, United States; office-based roles are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday.

Salary: $196,750–$243,290 USD annual base pay. Full-time employees are also eligible for equity compensation and benefits.

Company

Roblox builds tools and platforms for creating and experiencing 3D immersive digital content.

What you will do

• Design and build UI frameworks and APIs, including layout, navigation, server-driven UI, and shared component systems.
• Develop core navigation, routing, state-management, and data-flow systems for consistent and responsive applications.
• Improve startup performance, transition smoothness, and layout stability across phones, tablets, and desktop devices.
• Roll out platform changes safely using feature flags, staged releases, side-by-side validation, and rapid rollback.
• Partner with product, design, and feature engineering teams to drive platform adoption and incorporate developer feedback.
• Improve engineering quality through code reviews, testing, documentation, and mentoring.

Requirements

• 4+ years of professional experience building and shipping client applications, preferably for mobile or desktop.
• Strong hands-on experience with React, including component architecture, state management, and rendering behavior.
• Experience designing shared frameworks, UI platforms, or core libraries for other engineers.
• Understanding of client rendering and layout performance across screen sizes, form factors, and orientations.
• Strong debugging and profiling skills, including diagnosing startup delays, visual stutter, and memory pressure.
• Experience with feature flags, staged rollouts, incremental legacy-code migration, and cross-team technical communication.

Nice to have

• Experience with Luau or Lua.
• Experience with React Navigation or comparable routing libraries.
• Native iOS or Android development experience.
• Experience with server-driven UI, dynamic UI delivery, or cross-platform applications for mobile, desktop, and console.
• Experience helping engineers adopt shared platforms through documentation, migration guides, or direct support.

Culture & Benefits

• Work on platform systems used across Roblox applications and tools.
• Collaborate with product, design, and engineering teams in a large, evolving codebase.
• Full-time employment includes equity compensation and benefits.
• For US-based roles, certain US visa work-authorisation categories may not be supported, and future H-1B sponsorship may not be available.
• Reasonable accommodations are available during the recruiting process for qualifying disabilities or religious beliefs.