Roblox ML Platform Engineer Interview Questions

The questions to prepare for a Roblox ML Platform Engineer interview. Questions from real interview reports rank first. Updated daily.

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System DesignStart here. 5 questions · ~40 min

Tests understanding of data governance, lineage, and reproducibility for ML platforms at Roblox.

Tests system design skills for scalable model registry versioning and metadata management at Roblox.

High Availability Inference ServingHard

Tests design of resilient, low-latency inference serving for Roblox-scale traffic.

high availabilityfault tolerance

Roblox

Infrastructure Cost ManagementMedium

Tests ability to control ML infrastructure spend while scaling models and traffic at Roblox.

Roblox

Distributed Training Pipeline ArchitectureHard

Tests ability to design distributed training systems that efficiently use GPUs for Roblox-scale workloads.

latencydistributed traininggpu utilization

Roblox

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Behavioral & Leadership4 questions · ~32 min

Diagnosing and Fixing BottlenecksMedium

Tests troubleshooting approach, root-cause analysis, and ability to coordinate execution under pressure.

root cause analysistechnical bottleneck

Roblox

Balancing Quick Fixes and StabilityMedium

Tests judgment in prioritizing short-term urgency versus long-term reliability in platform engineering.

Roblox

Influencing Senior StakeholdersMedium

Tests leadership and influence skills when driving technical change with senior stakeholders.

architecture

Roblox

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