Senior Software Engineer — UI Platform & AI Tools

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

Job summary

Roblox is hiring a Senior Software Engineer to build and evolve the core systems behind the Roblox app. You will craft shared frameworks, UI platforms, and components used by multiple product teams, while delivering fast, reliable experiences across mobile and desktop.

You will drive performance improvements, roll out changes safely with feature flags, and collaborate with product, design, and engineering to raise the quality of the platform.

Qualifications

• 4+ years of professional experience shipping client applications.
• Hands-on with React or React Native and component behavior.
• Experience designing shared frameworks or core libraries.
• Strong debugging and profiling for performance issues.
• Comfort with large, evolving codebases using feature flags.
• Agentic mindset and fluency with AI coding tools.
• Excellent written and verbal communication to align teams.

Responsibilities

• Build frameworks, APIs, and systems across Roblox apps.
• Develop core UI systems like navigation, routing, and state management.
• Improve app performance, load times, and layout stability.
• Roll out platform changes safely with feature flags and staged rollouts.
• Drive platform adoption by partnering with product and design teams.
• Leverage AI agents to move faster and shape tooling.
• Mentor engineers and uphold strong code quality and reviews.

Skills

4+ years experience

React/React Native

UI frameworks

Debugging/profiling

AI tooling

Communication

Code review/mentoring

Job description

Roblox is hiring a Senior Software Engineer to build and evolve the core systems behind the Roblox app. You will craft shared frameworks, UI platforms, and components used by multiple product teams, while delivering fast, reliable experiences across mobile and desktop.

You will drive performance improvements, roll out changes safely with feature flags, and collaborate with product, design, and engineering to raise the quality of the platform.