Job Description

Quizlet is seeking a Staff Machine Learning Engineer to design and build large-scale retrieval, ranking, and recommendation systems to personalize the learning experience for millions of students. The role involves collaborating with cross-functional teams to deliver AI-powered learning tools and advancing the company's personalization stack.

Responsibilities

• Design and implement personalization models
• Develop scalable retrieval and serving systems
• Build and maintain model training pipelines
• Partner with Product and Data Science
• Advance evaluation methodologies
• Collaborate with platform and infrastructure teams
• Contribute to the long-term technical vision
• Stay current with RecSys research
• Mentor other engineers
• Champion collaboration and inclusion

Requirements

• 8+ years of experience in applied machine learning
• Track record of improving online metrics
• Strong skills in Python and PyTorch
• Deep understanding of retrieval and ranking architectures
• Experience with large-scale embedding models
• Proficiency in experiment design and evaluation
• Ability to communicate complex technical ideas
• Growth and mentorship mindset
• Commitment to responsible personalization

Benefits

• No benefits