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Lead Machine Learning Engineer for Ranking Solutions
Instacart
📍
toronto, montreal (administrative region), winnipeg, calgary, vancouver, quebec, edmonton, ottawa, mississauga, Canada
Location
toronto, montreal (administrative region), winnipeg, calgary, vancouver, quebec, edmonton, ottawa, mississauga
Posted
July 04, 2026
Commute
Local Area
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Job Description
Join Instacart as a Lead Machine Learning Engineer and revolutionize search and recommendations. Your focus will be on advanced multi-task models that drive user engagement and retention.
The Instacart Search & Personalization ML team is pioneering innovations in ranking systems through value-aware optimization. This remote role offers an opportunity to design and enhance the ranking backbone while mentoring fellow engineers. You will be responsible for creating systems that not only boost immediate engagement but also foster long-term user loyalty through causal modeling techniques and rigorous performance evaluation.
Key Responsibilities:
• Architect advanced multi-task model architectures
• Design systems for personalized and relevant search experiences
• Develop causal models driving long-term user retention
• Optimize inference layer for performance and quality
• Lead evaluations and attribute tracking methodologies
The Instacart Search & Personalization ML team is pioneering innovations in ranking systems through value-aware optimization. This remote role offers an opportunity to design and enhance the ranking backbone while mentoring fellow engineers. You will be responsible for creating systems that not only boost immediate engagement but also foster long-term user loyalty through causal modeling techniques and rigorous performance evaluation.
Key Responsibilities:
• Architect advanced multi-task model architectures
• Design systems for personalized and relevant search experiences
• Develop causal models driving long-term user retention
• Optimize inference layer for performance and quality
• Lead evaluations and attribute tracking methodologies