Principal Machine Learning Engineer, Alt Defense

Roblox(19 days ago)

HybridFull TimeSenior$295,250 - $345,040Safety

About this role

The Technical Lead for the Alt Defense pod at Roblox will own the technical vision for detecting and preventing alternate accounts across the platform. This role focuses on architecting and building large-scale, near-real-time detection systems that process billions of entities to identify recidivism and support cross-company use cases. The position reports to the Senior Engineering Manager of the Account Identity Team within Roblox’s Safety organization.

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Required Skills

Graph Learning
Machine Learning
GNNs
Clustering
Low Latency
Big Data
Mentoring
Systems Architecture
Adversarial Thinking
Identity Detection

Qualifications

MS in Computer Science or Machine Learning
PhD in Computer Science or Machine Learning

About Roblox

roblox.com

Roblox is a global online platform and virtual universe that lets people imagine, create, share, and play immersive user-generated 3D experiences. The company provides developer tools like Roblox Studio, avatar customization, and an in-platform economy (Robux) that enables creators to monetize games and virtual items. Roblox emphasizes social interaction and cross-platform play, connecting millions of players and creators worldwide. Developers, brands, and communities use Roblox to build interactive experiences, host events, and reach an engaged, predominantly younger audience.

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