Senior Machine Learning Engineer, Home Modeling

With Roblox’s daily active users growing at a record pace, we are seeking experienced machine learning engineers who thrive on solving complex challenges and designing scalable, ground breaking solutions. In this role, you will develop deep learning-based models for user understanding, content/query analysis, and recommendation systems. Your work will lay the foundation for personalizing user experiences, enhancing engagement and retention, and driving growth within the creator ecosystem.

In this role, you will contribute to the core systems that enable users to discover and interact with experiences across Roblox. These systems drive exploration and engagement across all surfaces, helping users find relevant and exciting content. Looking ahead, our team aims to innovate further by developing auto-generated summaries, images, and videos from experience content to improve discoverability and inspire user exploration.

Our mission is to connect a billion users with the best content and connections at the right time, tackling diverse challenges at an unprecedented scale. Join us and play a pivotal role in shaping the future of Roblox’s systems.

You Will:

• Design and implement large scale recommendation models


• Author specs for new features and improvement


• Collaborate with other teams within Roblox to make sure we are building products with a community first approach.


• Balance researching new technologies with a practical approach to accomplish the research efforts into the Roblox products


• Communicate with the industry and communities where applicable and be ambassador for Roblox.

You have:

• 4+ (for senior) years of experience designing and building scalable machine learning solutions. Experienced with transformer based model training, inference, and product integration. Break down product requirements into iterative deliverable stages.


• A BS in Computer Science or a related discipline, advanced degrees are a definite plus.


• You have initiated and facilitated challenging technical decisions.


• Compassion; you always start with the needs of the user, whether they are Roblox users or internal engineers.


• A creative and strategic approach to solving hard problems. You simplify the complex. You bring in fresh ideas from new places.