At Quizlet, our mission is to help every learner achieve their outcomes in the most effective and delightful way. Our $1B+ learning platform serves tens of millions of students every month, including two-thirds of U.S. high schoolers and half of U.S. college students, powering over 2 billion learning interactions monthly. We blend cognitive science with machine learning to personalize and enhance the learning experience for students, professionals, and lifelong learners alike. We’re energized by the potential to power more learners through multiple approaches and various tools. Let’s Build the Future of Learning Join us to design and deliver AI-powered learning tools that scale across the world and unlock human potential. About the Team: The Quizlet Mobile team is focused on being the category-defining leader in digital learning on mobile devices. Our team builds and refines the core mobile features that make Quizlet a trusted learning companion—everything from flashcards and practice modes to AI-powered study experiences. We collaborate closely with the broader mobile organization, backend services, design, and product teams to deliver seamless, high-quality learning experiences on iOS and Android. About the Role: We’re looking for a Staff Engineer to join one of our Mobile teams in San Francisco. You’ll help lead a team shaping the core functionality that keeps learners engaged and successful. In this role, you’ll collaborate closely with engineers, designers, and product managers to deliver high-quality mobile experiences. You’ll be expected to influence technical direction, drive architecture decisions, and mentor other engineers while driving projects from ideation through release. We’re looking for someone who is passionate about creating intuitive, We’re happy to share that this is an onsite position in our San Francisco office. To help foster team collaboration, we require that employees be in the office a minimum of three days per week : Monday, Wednesday, and Thursday and as needed by your manager or the company. We believe that this working environment facilitates increased work efficiency, team partnership, and supports growth as an employee and organization.