Senior Staff Engineer - Partner Platform, APIs & Ecosystem Services

Overview

Quizlet is seeking a Staff Engineer to lead engineering on Quizlet's external API platform and LearnOS plugin architecture. You'll define integration patterns for partner applications, guide API best practices, and build infrastructure that enables seamless learning workflows across external platforms and AI agents.

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.

Base pay range : $237,000.00 / yr - $294,000.00 / yr

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. We blend cognitive science with machine learning to personalize and enhance the learning experience for students, professionals, and lifelong learners alike.

About The Role : We're seeking a Staff Engineer to lead engineering on Quizlet's external API platform and LearnOS plugin architecture. You'll define integration patterns for partner applications, guide API best practices, and build infrastructure that enables seamless learning workflows across external platforms and AI agents.

In This Role, You Will :

Design and implement APIs powering partner experiences and agentic workflows

Develop MCP and agentic services to build the learnOS of Quizlet

Lead cross-team initiatives to deliver secure, rate-limited, and discoverable APIs

Build the infrastructure for Quizlet widgets and embedded experiences in LMSs, productivity tools, or creative apps

Mentor engineers and influence platform development standards

What You Bring To The Table

10+ years of engineering experience with large-scale, multi-tenant API or developer platforms

Strong track record designing extensible, secure APIs, SDKs, and plugin systems

Understanding of agent frameworks like MCP, protocol design, and AI / LLM interoperability

Experience building platform abstractions and developer enablement layers

Hands-on expertise with containerized services, OAuth 2.0, gRPC / REST, and event-driven systems

Passion for building platforms that enable scale, intelligence, and trust

Fluency with platform security, privacy, and system design

Proven ability to lead architectural transformation while shipping continuously

Strength in cross-functional collaboration, especially with legal, marketing, and product

Compensation, Benefits & Perks

Quizlet is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Total compensation for this role is market competitive, including a starting base salary of $237,000 - $294,000, 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

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 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. 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. 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 value 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 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.

Seniority level

Not Applicable

Employment type

Full-time

Job function

Engineering and Information Technology

Industries : Software Development

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