Principal/Senior Machine Learning Scientist - Search and Discovery

About the role

Senior or principal ML scientist role building large-scale search, discovery, recommendation, and agentic systems; expects 4–7+ years and product integration.

Requirements

• 4+ years (senior) or 7+ years (principal) designing and building scalable ML solutions
• Transformer model training, inference, and product integration
• Depth in recommendation, search/retrieval/ranking, or LLM post-training
• BS, MS, or PhD in computer science or related field
• Technical decision-making across teams

What you'll do

• Build ML systems for agentic search and discovery
• Develop large-scale recommendation models
• Apply large models to query, user, and content understanding
• Design evaluation and post-training loops
• Bring research into Roblox products and shape technical direction

Where this was posted

• LinkedIn

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