Senior ML Engineer - Recommender & Personalization

Free resume; San Mateo, Northern (CA, KY); Hybrid; USD 180,000 - 240,000; Full time

Job summary

Roblox in San Mateo, CA, seeks a research-focused engineer to design and prototype advanced recommendation and search systems across our platform, including experiences, avatars, and creator content.

You will work with applied researchers and engineers to bring models from concept to production, leveraging generative AI and reinforcement learning to improve engagement and discovery for hundreds of millions of daily active users.

Qualifications

• PhD in CS, engineering, or related field aligned to Roblox's research areas.
• Experience in recommender or search systems and information retrieval.
• Experience with large-scale DL models and multimodal or LLM technologies.

Responsibilities

• Design and implement large-scale recommendation systems powering discovery across Roblox surfaces.
• Develop deep learning models for ranking, retrieval, and personalization using multimodal approaches.
• Collaborate with applied researchers, engineers, and product teams to move research into production.
• Translate research insights into scalable ML solutions impacting hundreds of millions of users.

Skills

Recommender systems

Information retrieval

Generative models

Attention mechanisms

Education

PhD in CS/Engineering

Job description

Roblox in San Mateo, CA, seeks a research-focused engineer to design and prototype advanced recommendation and search systems across our platform, including experiences, avatars, and creator content.

You will work with applied researchers and engineers to bring models from concept to production, leveraging generative AI and reinforcement learning to improve engagement and discovery for hundreds of millions of daily active users.