Senior Software Engineer, Frontend

Roblox Roblox · Consumer · San Mateo, CA · Software Engineering

Senior Frontend Engineer at Roblox, focusing on building and architecting the frontend platform for consumer-facing applications. This role involves defining technical direction, ensuring scalability and reliability, and working with modern frameworks and custom Luau-based tech to create a seamless user experience across multiple platforms.

What you'd actually do

  1. Design and implement robust, extensible systems powering Roblox’s core surfaces (Home, Avatar, Search, etc.) to serve millions of users efficiently.
  2. Create reusable frontend abstractions using React paradigms and modern tech to enable fast, consistent UI development across teams and devices.
  3. Maintain and evolve Roblox’s internal React-inspired Luau UI libraries, promoting modular design, state management patterns, and performance.
  4. Define architecture standards to ensure frontend code is scalable, testable, and aligned with proven patterns like Flux, MVC, and MVVM.
  5. Partner with engineering, product, and design teams to integrate shared solutions and deliver cohesive, high-quality user experiences.

Skills

Required

  • Bachelor’s degree in Computer Science or a related field, or equivalent practical experience
  • 8+ years of software development experience, including substantial experience building user-facing frontend applications
  • Deep expertise in modern mobile/web/frontend technologies – including proficiency in HTML5, CSS3, and JavaScript/TypeScript or mobile equivalents
  • hands-on experience with frameworks such as React
  • Comfortable with component-based architecture and state management patterns (Redux/Flux or similar) for building maintainable UIs
  • Solid understanding of software design principles and architectural patterns as they apply to frontend development
  • Able to design clean APIs and module boundaries, and experienced in creating maintainable and testable code bases with proper unit/integration testing practices
  • Demonstrated ability to optimize frontend performance and diagnose issues
  • Knowledge of performance debugging, profiling, and benchmarking techniques on the client side
  • Excellent communication skills and a team-oriented mindset
  • Ability to work effectively with cross-functional teams, gather requirements, and drive consensus on technical solutions
  • Comfortable sharing ideas, documenting designs, and collaboratively solving problems in a large engineering organization

Nice to have

  • Strong programming skills in one or more scripting languages relevant to frontend and tooling such as TypeScript, Swift or Kotlin, or the ability to quickly learn them
  • experience with large-scale or high-traffic applications is a plus
  • Passion for ensuring fast, fluid user experiences on all devices
  • Familiarity with building applications that serve users on Web, iOS, Android, Windows, etc. is desirable for ensuring a seamless cross-platform experience
  • Familiarity with C++ or other low-level languages is a nice to have but not mandatory

What the JD emphasized

  • 8+ years of software development experience, including substantial experience building user-facing frontend applications
  • Proven track record in implementing or architecting complex frontend systems for large-scale applications