Senior Software Engineer, UI Platform & AI

Roblox Corporation; San Mateo (CA); On-site; USD 197,000 - 243,000; Full time

Job summary

Roblox Corporation in San Mateo, CA is seeking a Senior Software Engineer for the Consumer Apps team. You will build frameworks, APIs, and core UI systems used across Roblox apps, shipping features that improve performance and consistency.

You will mentor colleagues, design shared platforms, and leverage AI tooling to speed development. Candidates have 4+ years building client apps, with React/React Native experience and strong debugging, profiling, and collaboration skills.

Qualifications

• 4+ years of experience building and shipping client apps, ideally on mobile or desktop.
• Hands-on experience with React or React Native and UI frameworks.
• Experience designing shared frameworks or core libraries for engineers.
• Strong debugging and profiling skills across devices and screen sizes.
• Comfort working in a large, evolving codebase with feature flags and staged rollouts.
• Agentic mindset with AI coding tools and clear communication.

Responsibilities

• Make an impact across every surface of the app by shipping frameworks and cross-app capabilities.
• Build and evolve core UI systems like navigation, routing, state, and data flow.
• Drive app performance and stability with tracing and telemetry.
• Roll out platform changes safely at scale with flags and phased validation.
• Guide Roblox teams onto our frameworks and incorporate feedback into the platform.
• Use AI agents to accelerate development and automation, mentoring others.

Skills

React

React Native

Mobile apps

Code debugging

Performance profiling

AI tools

Cross-team collaboration

Technical leadership

Tools

React Navigation

Job description

Roblox Corporation in San Mateo, CA is seeking a Senior Software Engineer for the Consumer Apps team. You will build frameworks, APIs, and core UI systems used across Roblox apps, shipping features that improve performance and consistency.

You will mentor colleagues, design shared platforms, and leverage AI tooling to speed development. Candidates have 4+ years building client apps, with React/React Native experience and strong debugging, profiling, and collaboration skills.