Sr. Fullstack Engineer, Growth (San Francisco)

About Quizlet:

At Quizlet, our mission is to help every learner achieve their outcomes in the most effective and delightful way. Were a $1B+ learning platform used by two-thirds of U.S. high school students and half of college students, powering over 1 billion learning interactions each week.

We blend cognitive science with machine learning to personalize and enhance the learning experience for students, professionals, and lifelong learners alike. Were energized by the potential to power more learners through multiple approaches and various tools.

Lets 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 Activation & Retention team will find new ways to onboard our users into studiers via new study experiences, including progress tracking, and social and motivational elements. Well partner with teams to empower the future of study across all markets. Were looking for an engineer who likes to see results and ship quickly from AB tests. Our experiments will help students across the globe achieve their goals.

About the Role:

We're looking for a Sr. Fullstack Engineer to iterate and work on Quizlet's Growth team, helping guide the future of study. This will include making constant improvements to our current platform, which is built upon modern tools like React, NextJS, Hack, and Spanner. You'll be accountable for the code quality of the domains your team is responsible for and work on a variety of tests to help people learn.

Were 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 at a minimum of three days a 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.

• Build user-facing features and ship experiments using React/NextJs
• Develop server-side code using Hack
• Collaborate with other engineers to design and implement APIs
• Identify and implement performance improvements to our website
• Participate in design, code, and architecture reviews
• Observe user testing to understand and improve usability

• 5+ years of experience building rich, interactive web applications
• Deep experience of modern front-end JavaScript libraries and tooling for example, we use NextJS, React, Redux
• Experience working with server-side code and microservices - we use Hack, Node.js, and Go and relational databases
• Demonstrated ability in system architecture and design, understanding of design patterns, and ability to solve complex technical design challenges, with attention to scalability and performance concerns
• Ability to mentor junior engineers
• An aptitude for experimentation demonstrated by being hypothesis-driven, metrics focused, and eager to test and iterate

• Quizlet is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Salary transparency helps to mitigate unfair hiring practices when it comes to discrimination and pay gaps. Total compensation for this role is market competitive, including a starting base salary of $160,000 - $210,000, depending on location and experience, as well as company stock options
• Collaborate with your manager and team to create a healthy work-life balance
• 20 vacation days that we expect you to take!
• Competitive health, dental, and vision insurance (100% employee and 75% dependent PPO, Dental, VSP Choice)
• Employer-sponsored 401k plan with company match
• Access to LinkedIn Learning and other resources to support professional growth
• Paid Family Leave, FSA, HSA, Commuter benefits, and Wellness benefits
• 40 hours of annual paid time off to participate in volunteer programs of choice

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 peoples 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, were excited about passionate people joining our teameven if you dont 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.

Quizlets 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:

At this time, 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.