Principal Frontend Engineer - Discovery
Core
Designing and building high-performance frontend systems for the Roblox homepage, search, and experience discovery journey to connect millions of users with 3D immersive experiences.
Role type
Principal Frontend Engineer (Discovery UX)
Builds
Universal frontend solutions for Home, Search, Charts, and Experience Details pages across web and mobile apps.
Domain
Consumer internet / 3D immersive platform / High-scale web infrastructure
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
React, TypeScript, JavaScript, frontend architecture, client-server orchestration, A/B testing, data analysis, cross-platform development
Preferred skills
Full-stack mindset, backend/data pipeline experience, experimental design, long-term system planning
Technologies
React, TypeScript, JavaScript
Responsibilities
Design and ship features defining the discovery journey for millions of users; Architect universal solutions for high-performance delivery across platforms; Influence core client-server orchestration and dynamic code deployment; Drive UX improvements through rigorous A/B testing and deep-dive analysis; Collaborate across teams to ensure scalable, coherent user experiences.
Seniority
Principal, hands-on IC with strategic influence