Job Description

Quizlet is seeking a Senior Machine Learning Engineer to design, build, and optimize 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 advance the company's personalization capabilities.

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
• Stay informed on industry trends
• Mentor junior engineers
• Champion collaboration and data-driven problem solving

Requirements

• 5+ years of experience in applied machine learning
• Demonstrated impact improving key 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
• Clear communication skills
• Growth and mentorship mindset
• Commitment to responsible personalization

Benefits

• No benefits