Roblox
Senior
Building a brand-new React-based ads experience for advertisers and publishers on Roblox
Roblox is building a new Immersive Ads product for advertisers and publishers, and this Senior Frontend role owns high-traffic frontend surfaces within it. The work spans React/TypeScript component architecture, cross-platform delivery, and close collaboration with Product, Design, and Data to drive UX decisions through A/B testing.
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Free · a live voice mock calibrated to this exact role
What this interview tests
- React/TypeScript component architecture for high-traffic surfaces
- Cross-platform and cross-device frontend delivery
- Client-server interaction performance
- Data-driven UX via A/B testing
- Cross-functional collaboration with Product, Design, Data
- Building ambiguous 0-to-1 product surfaces
Common question themes
Walk through how you'd architect a new React/TypeScript frontend for a high-traffic, from-scratch ads product
How have you built a frontend solution that needed to work universally across platforms and devices
Describe an A/B test you ran that changed a UX decision — what did the data show
Tell me about refining client-server interaction to improve performance on a consumer-facing feature
How do you work with Product, Design, and Data partners to match users with the right experience
Describe a 0-to-1 feature you built with significant ambiguity in the requirements
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