Senior Software Engineer, App Performance - Core UI at Roblox

Roblox

San Mateo, CA, United States·3h ago

SeniorFull-timeC++ReactAWSGit

Salary Range

$132,600 - $179,400 /year

Estimated

This salary is estimated based on similar roles. The actual salary may vary.

About the Role

We are looking for a Senior Frontend Engineer to join the Core UI team at Roblox. This role focuses on pushing Roblox App performance to the next level, making it blazing fast and a joy to use. You'll own profiling, diagnosis, and end-to-end optimization of rendering, layout, and input pipelines to reduce frame time, eliminate jank, and build high-fidelity interfaces at scale.

Key Responsibilities

→Own profiling, diagnosis, and end-to-end optimization of rendering, layout, and input pipelines across mobile, desktop, VR, and consoles - reducing frame time, eliminating jank, and delivering smooth, natural scrolling.
→Design and build 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-fidelity, high-performance interfaces that set the standard for UI quality across Roblox.
→Partner with engineering, product, and design teams to integrate shared solutions and deliver cohesive, high-quality user experiences.
→Collaborate with senior engineers and tech leads to shape architectural direction and raise the bar on UI performance across the org.

Requirements

✓5+ years of software development experience building large-scale, user-facing frontend applications with performance and high-quality user experience in mind.
✓Deep expertise in modern frontend technologies. Strong command of frameworks such as React or similar, component-based architecture, and state management patterns for building maintainable user interfaces.
✓Demonstrated ability to optimize frontend performance and diagnose issues. Knowledge of performance debugging, profiling, and benchmarking techniques on the client side.
✓Strong understanding of software design principles and frontend architecture. Ability to design clean APIs and clear module boundaries.
✓Excellent communication and collaboration skills with the ability to work cross-functionally and drive alignment on technical solutions.