Principal Machine Learning Engineer, Ads & Promos Delivery

What this role involves

DoorDash is hiring a Principal Machine Learning Engineer for the Ads & Promos Delivery team. The role involves leading the technical direction for AI-first ranking and relevance systems, applying state-of-the-art ML and LLM techniques. The engineer will own the full model lifecycle from research to production and collaborate with cross-functional teams.

Skills this posting asks for

• machine learning
• deep learning
• large language models (llms)
• sequence modeling
• ranking systems
• personalization
• query understanding
• representation learning
• multi-objective optimization
• a/b testing
• model evaluation
• production deployment
• ai coding tools
• python
• cross-functional collaboration

Requirements

• 5 years of experience
• Level: principal

From the employer’s posting

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