Roblox

Principal Machine Learning Engineer, Embodied AI and Smart NPCs

Roblox
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6 months ago
San Mateo, CA, USAStaff+
H1B Sponsor

Base Salary

$345k - $399k/yr

Responsibilities

  • Design and implement foundation models for embodied agents with fluid movement and high-level strategic reasoning.
  • Define the long-term roadmap for Game AI and Embodied Intelligence and serve as a technical bar-raiser for code quality and architecture.
  • Balance cutting-edge deep learning research with the practical requirements of serving models to millions of concurrent users.
  • Develop agents for 3D gameplay, automated playtesting, and Smart NPCs that interact with real players.
  • Mentor engineers and researchers while fostering technical excellence and scientific inquiry.
  • Collaborate with Product Managers, Backend Engineers, Game Engine Engineers, and other Roblox teams.

Requirements

  • PhD or Master’s degree in Computer Science, Applied Math, or another relevant field.
  • 7+ years of experience as a Machine Learning Engineer or Research Scientist applying research to tangible products.
  • Deep technical understanding of imitation learning, robotics, reinforcement learning, computer graphics, and computer vision.
  • Experience with low-latency motor control, human-like movement, and high-level strategic reasoning involving game rules and goals.
  • Proficiency in Python and PyTorch or TensorFlow, plus familiarity with C#, C++, or similar systems languages.
  • Experience training models on large-scale distributed clusters and understanding real-time inference constraints in gaming environments.
  • Top-tier publications in venues such as NeurIPS, ICML, CVPR, AAAI, or SIGGRAPH in embodied agents or related domains are a plus.

Benefits

  • Equity compensation and employee benefits are available to full-time employees.
  • Headquarters-based roles are onsite Tuesday through Thursday, with optional presence Monday and Friday.
  • The role is based at the San Mateo, California headquarters when designated as headquarters-based.

Tech Stack

C#C++PythonPyTorchTensorFlow

Categories

AI ResearchML EngineeringRobotics
Roblox

About Roblox

1,001-5,000 employees

Roblox's vision is to reimagine the way people come together. Our mission is to connect a billion people with optimism and civility. What is Roblox? Roblox is a platform where people come together virtually to share experiences. Every day, tens of millions of people from around the world come to Roblox to learn, work, play, connect, communicate, and socialize in immersive digital experiences all built by a global community of creators. Powered by Creators Roblox is powered by a global community of millions of developers and creators who produce their own immersive multiplayer experiences each month using Roblox Studio, our intuitive desktop design tool. Any experience imaginable can be created on Roblox. How Popular? Roblox is ranked as one of the top entertainment platforms for audiences under the age of 18 based on average monthly visits and time spent (Comscore). Our popularity is driven purely by the community with millions of people signing up through word of mouth every month.

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