Principal/Senior Machine Learning Scientist (Search and Discovery)
Posted Updated
Description
- With Roblox’s daily active users growing at a record pace, we are seeking experienced machine learning researchers who thrive on solving complex challenges and designing scalable, ground breaking solutions
- In this role, you will innovate on LLMs, VLMs, autoregressive models, or other large models for user understanding, content understanding, recommendation, and agentic search
- Your work will lay the foundation for personalizing user experiences, enhancing engagement and retention, and driving growth within the creator ecosystem
- In search and discovery, 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 in advertising, search, and discovery at an unprecedented scale. Join us and play a pivotal role in shaping the future of Roblox’s search and discovery
- Design and implement the machine learning solutions that power agentic search and discovery systems to drive Roblox content distribution
- Design and implement large scale recommendation models
- Design and implement LLMs and VLMs for visual understanding and natural language understanding
- Balance researching new technologies with a practical approach to integrate research efforts into the Roblox products
- Collaborate with other teams within Roblox to make sure we are building products with a community first approach
- Communicate with the industry and communities where applicable and be ambassador for Roblox
- You have a BS, MS, or PhD in Computer Science or a related discipline or equivalent experience
- A creative and strategic approach to solving hard problems. You simplify the complex. You bring in fresh ideas from new places
- You have initiated and facilitated challenging technical decisions across multiple teams and organizations
- You have 7+ (for principal) or 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
- While deeply technical, you always start with the needs of the user, whether they are Roblox users or internal engineers