Senior Machine Learning Engineer (Systems), Embodied AI/NPCs, ML Platform - PhD Early Career

As a Senior Machine Learning Engineer at Roblox, you will be a key contributor to building cutting-edge systems that power AI.

The Creator Services Machine Intelligence Team is building an NPC system that can play any Roblox game and perform real-time inference efficiently.

The ML Platform Team is establishing Roblox as the standard for 3D foundational models, democratizing creation using AI.

Responsibilities

Creator Services Machine Intelligence Team

• Develop scale data pipelines to collect complex 3D game states and real-time player actions.
• Train novel architectures to solve feature extraction across games for NPC models.
• Optimize real-time inference solutions to support seamless deployment of autonomous NPCs.

ML Platform Team

Track 1: AI Platform Projects

• Pioneer next-generation AI tooling to enhance efficiency, cost, and usability of ML.
• Build and maintain core platform components.
• Design great developer experiences.

Track 2: Distributed Inference & Systems Optimization

• Architect and implement scalable distributed inference systems.
• Optimize inference engines to serve millions of QPS at low latency.
• Conduct deep performance analysis and optimize ML models and systems.

Requirements

• PhD in Computer Science, Computer Engineering, Mathematics, Statistics, or related field.
• Experience building end-to-end ML pipelines and managing model inference and deployment.
• Experience with novel datasets and building real-world agentic applications.
• Scaled high-performance, high-availability architectures.
• Handled infrastructure using Kubernetes and major cloud providers.