Prototype cutting-edge engine features and advise external studios building top Roblox experiences

Design a Senior Software Engineer interview for Roblox's Game Solutions team, which works directly with external game development studios to push the engine's limits and shape the platform's engine roadmap and APIs. Focus on multiplayer networked game performance, Luau/Roblox development experience, and the ability to act as a trusted technical advisor to outside partners.

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What this interview tests

Multiplayer networked game performance (client/server authority, movement, gameplay mechanics)
Roblox/Luau engine development and prototyping
Acting as technical advisor to external development studios
Developer tooling: profilers, debuggers, source control, asset iteration
Influencing engine roadmap and APIs from real-world feasibility work

Common question themes

Tell me about a multiplayer networking or client/server authority bug you diagnosed and fixed

Describe a prototype you built to prove an engine capability was feasible

How have you advised an external team or studio on performance/scalability tradeoffs

What developer tools have you built or improved for a game engine workflow

How would you push back on or advocate for an engine feature change

How candidates describe it

Real Senior Software Engineer interview stories — retold from candidates' public write-ups, with sources.

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