Principal Model Optimization Engineer

Roblox · San Mateo

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Company
Roblox
Location
San Mateo
Salary
$295,250 — $345,040
Posted
May 5, 2026

About this job

ML Platform at Roblox supports hundreds of ML use cases and billions of inferences per day across Discovery, Safety, Engine and much more. We build what ML engineers use to go from idea to production: data and training pipelines, the SDKs and tools they build with, the GPU fleet and the scheduling that runs their jobs. As a Principal Engineer on ML Platform, you will set the technical direction for these systems. You will find what slows ML engineers down or wastes compute and design durable fixes. You will measure the results and keep improving them until they show up as faster iteration, more reliable jobs and better use of every GPU. You Will: Design platform capabilities that many teams adopt, so that one investment improves hundreds of use cases instead of one.…

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