Build Roblox's next-generation real-time immersive audio simulation platform for Android in C++

This role is on Roblox's Audio Team, building and tuning a real-time immersive audio simulation platform in C++ with Android expertise, optimizing performance from low-end phones to high-end desktops. It requires 5+ years delivering complex user workflows plus strong Android and C++ skills, with iOS/Windows familiarity as a plus.

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What this interview tests

C++ performance tuning and debugging on mobile (Android)
Real-time systems and algorithm design/tuning
Cross-platform experience (Android primary; iOS/Windows exposure)
Production issue troubleshooting at scale
Adapting performance across low-end to high-end hardware
Audio/real-time simulation domain curiosity

Common question themes

Describe a C++ performance-tuning problem you solved on a resource-constrained device

Walk through debugging a hard-to-reproduce production issue in a real-time pipeline

Tell me about an algorithm you designed or refined for real-time constraints

How have you approached building functionality that spans multiple platforms

Describe optimizing a feature to work well across a wide range of device capabilities

What draws you to picking up audio systems expertise without prior professional audio background

How candidates describe it

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

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