Sr. / Staff AI & Data Platform Engineer

Overview

About Quizlet : 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 AI & Data Platform team\'s mission is to build and maintain a rock-solid, scalable, and efficient foundation for all data and machine learning operations at Quizlet. This team is the bedrock upon which our AI ambitions are built. As we consolidate our AI efforts to create a unified and powerful product portfolio, the platform team\'s primary focus is on achieving operational excellence. We aggressively buy and leverage best-in-class MLOps and DataOps technologies to accelerate the pace of innovation across Quizlet.

About the Role

About the Role

As a Staff AI & Data Platform Engineer , you will help lead the design and development of Quizlet’s analytical data and machine learning infrastructure, ensuring our platforms are scalable, reliable, and designed for long-term success. You’ll partner closely with cross-functional teams to define technical direction, guide architectural decisions, and mentor engineers across Data Science, ML Engineering, and Product.

This role requires deep technical expertise, strategic thinking, and the ability to deliver systems that accelerate ML and data innovation at scale. You’ll measure success through platform adoption, reliability improvements, and developer productivity outcomes.

We’re happy to share that this is an onsite position in our San Francisco office. To help foster team collaboration, we require employees to 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.

In this role, you will

• Accelerate and amplify the work of our Machine Learning Engineers by building ML infrastructure that streamlines the development, testing, and deployment of models to production
• Collaborate with Product Management, Data Analytics, and Product Engineering to build systems that support diverse data needs
• Architect, build, and scale core data and ML services with a focus on resiliency, security, and long-term maintainability
• Enable large-scale data ingestion and processing, from real-time streaming to batch workloads, ensuring performance and reliability
• Drive platform adoption across engineering and data teams, improving developer experience and operational efficiency
• Mentor engineers and influence best practices for reliability, scalability, and automation in data workflows
• Lead cross-functional initiatives and set technical direction for data and ML infrastructure at Quizlet

What you bring to the table

Bonus points if you have

Compensation, Benefits & Perks

Why Join Quizlet?

🌎 Massive reach : 60M+ users, 1B+ interactions per week

🧠 Cutting-edge tech : Generative AI, adaptive learning, cognitive science

📈 Strong momentum : Top-tier investors, sustainable business, real traction

🎯 Mission-first : Work that makes a difference in people’s lives

🤝 Inclusive culture : Committed to equity, diversity, and belonging

We strive to make everyone feel comfortable and welcome!

We work to create a holistic interview process, where both Quizlet and candidates have an opportunity to view what it would be like to work together, in exploring a mutually beneficial partnership.

We provide a transparent setting that gives a comprehensive view of who we are!

In Closing

At Quizlet, we’re excited about passionate people joining our team—even if you don’t check every box on the requirements list. We value unique perspectives and believe everyone has something meaningful to contribute. Our culture is all about taking initiative, learning through challenges, and striving for high-quality work while staying curious and open to new ideas. We believe in honest, respectful communication, thoughtful collaboration, and creating a supportive space where everyone can grow and succeed together.”

Quizlet’s success as an online learning community depends on a strong commitment to diversity, equity, and inclusion.

As an equal opportunity employer and a tech company committed to societal change, we welcome applicants from all backgrounds. Women, people of color, members of the LGBTQ+ community, individuals with disabilities, and veterans are strongly encouraged to apply. Come join us!

To All Recruiters and Placement Agencies

Quizlet does not accept unsolicited agency resumes and / or profiles. Please do not forward unsolicited agency resumes to our website or to any Quizlet employee. Quizlet will not pay fees to any third-party agency or firm nor will it be responsible for any agency fees associated with unsolicited resumes. All unsolicited resumes received will be considered the property of Quizlet.

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