Senior Software Engineer, Frontend

🏢 About Roblox

Roblox is an immersive digital platform and game creation ecosystem connecting tens of millions of daily active users worldwide. The platform enables creators to design, build, and share interactive 3D digital experiences accessible across web, mobile, desktop, and VR devices.

🎯 The Role

As a Senior Frontend Software Engineer on the Luau App Foundations team, you will shape the architecture and technical foundation of Roblox's primary consumer surfaces, including Home, Avatar, and Search. You will design scalable UI systems, establish state management and data-flow patterns, and build reusable component frameworks that empower dozens of product engineers to ship high-performance features reliably.

🛠️ Tech Stack

• React, JavaScript (ES6+), TypeScript
• State Management (Redux / Flux patterns)
• HTML5, CSS3, Modern Web APIs
• Cross-Platform UI Frameworks & Custom Luau Tech
• Performance Profiling, Memory Benchmarking, and Unit Testing Tools

💼 What You'll Do

• Architect robust, extensible frontend systems powering core Roblox surfaces used by millions globally
• Develop reusable UI abstractions and component libraries based on modern React paradigms
• Maintain and evolve internal React-inspired Luau UI libraries for modularity and high performance
• Establish scalable client-side architectural standards aligned with patterns like Flux and MVVM
• Collaborate with product, design, and infrastructure teams to unify cross-platform user experiences
• Diagnose and eliminate client bottlenecks related to responsiveness, frame rendering, and memory
• Provide technical mentorship, conduct code and design reviews, and establish frontend best practices

✅ What You'll Need

• Bachelor’s degree in Computer Science, related field, or equivalent practical experience
• 8+ years of software development experience with substantial focus on user-facing frontend applications
• Proven background architecting complex frontend infrastructure for large-scale, high-traffic consumer products
• Deep expertise in HTML5, CSS3, modern JavaScript/TypeScript, and frameworks such as React
• Strong grasp of component architecture, state management patterns (Redux/Flux), and clean API design
• Demonstrated ability in client-side performance optimization, debugging, and profiling
• Track record of delivering applications across multiple platforms (Web, iOS, Android, Desktop)
• Excellent cross-functional communication and collaborative technical leadership

🌟 Nice to Have

• Experience or familiarity with C++ or lower-level system languages
• Familiarity with mobile languages such as Swift or Kotlin
• Experience building internal developer tooling and shared component libraries