Job Description

Quizlet is seeking a Senior Staff Machine Learning Engineer to lead the technical vision for personalization and recommendations, architecting large-scale systems to enhance the learner experience. This role involves collaborating with cross-functional teams to deliver AI-powered learning pathways, mentoring engineers, and staying at the forefront of RecSys research.

Responsibilities

• Define and drive the long-term technical vision for personalization
• Communicate modeling trade-offs to diverse audiences
• Architect and build large-scale personalization models
• Develop scalable retrieval and serving systems
• Lead model training, evaluation, and deployment pipelines
• Partner with Product and Data Science to translate learning objectives
• Advance evaluation methodologies
• Collaborate with platform and infrastructure teams
• Stay at the forefront of personalization research
• Mentor and coach engineers
• Champion a culture of collaboration and experimentation

Requirements

• 12+ years of experience in applied machine learning or ML-heavy engineering
• Deep expertise in personalization, ranking, or recommendation systems
• Proven ability to shape technical direction
• Exceptional communication and storytelling skills
• Demonstrated leadership through influence
• Experience mentoring senior engineers
• Track record of measurable impact on online metrics
• Deep technical understanding of modern retrieval and ranking architectures
• Strong hands-on skills in Python and PyTorch
• Experience with large-scale embedding models and vector search systems
• Expertise in experimentation and evaluation
• Commitment to collaboration and inclusion

Benefits

• No benefits