Principal Engineer, Quizlet
User Identity, Messaging & Trust Infrastructure
$276.7-323k
+ Company stock options
More information about location
3+ days a week in office
Learning tools for students and teachers
Open for applications
Learning tools for students and teachers
501-1000 employees
Open for applications
$276.7-323k
+ Company stock options
More information about location
3+ days a week in office
501-1000 employees
Company mission
To give every student the tools and confidence to succeed, no matter their motivation or what they’re striving to achieve.
Role
Who you are
- 10+ years of backend/platform engineering experience, with 5+ years in identity, messaging, or trust systems
- Experience in modernizing legacy account systems and building privacy-centric user platforms
- Significant hands-on experience in security, compliance, and messaging infrastructure (e.g., rate limiting, consent management, opt-in flows)
- Hands-on experience with Node.js, Go, Python, or TypeScript
- Familiarity with tools like Braze, Segment, or equivalent martech stacks
- 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
- 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
What the job involves
- We’re seeking a Principal Engineer to architect the future of identity, account management, user communication infrastructure, and trust & safety systems at Quizlet
- This high-impact role will help shape Quizlet into the most secure, intelligent, and trusted learning platform on the internet
- You’ll be the hands-on technical leader driving the evolution of our core user platform, guiding strategic investments in authentication, consent frameworks, martech, and safety tooling — all while partnering closely with product, marketing, legal, and data/ML teams
- Identity & Access Architecture: Define and evolve our authentication and authorization architecture (e.g., OAuth 2.0, SSO, MFA)
- Account Lifecycle Management: Own core services powering sign-up, login, recovery, and settings
- Messaging Platform: Architect a scalable, consent-aware system for in-app, push, email and external comms; partner with Braze and marketing teams to drive intelligent engagement
- Trust & Safety Systems: Build infrastructure to support abuse detection, content moderation, and policy enforcement
- Privacy and Consent Frameworks: Ensure platform-wide compliance with data protection regulations (e.g., COPPA, GDPR, FERPA)
- Cross-Org Collaboration: Influence engineering and legal peers on data minimization, secure defaults, and safety practices
Application process
- 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!
Our take
Quizlet has evolved from a simple flashcard tool into one of the most recognizable consumer learning platforms, now serving over 60M active users. It reaches two-third of US high schoolers and half of college students, putting it among the top 20 US websites and leading education apps on mobile.
Its core strength lies in helping students learn quickly and effectively through tools like flashcards, practice tests, AI-generated study guides, and now course-specific collaborative folders. By focusing on efficiency and relevance, Quizlet has become a go-to resource for students who want targeted, outcome-driven study support. And its collaborative features also allow large groups of students to share and refine materials together, so learning really is a shared experience.
Recent expansions - including Course-Powered Quizlet and its deepened partnership with Brand Metrics - show the platform's continued momentum. With AI-driven personalization, independent ad measurement, and growing peer-recommended content, Quizlet is strengthening trust with advertisers while meeting modern student expectations. And these advancements sure position Quizlet as a leading, forward-thinking plater in ed-tech.
Freddie
Company Specialist at Welcome to the Jungle
Insights
75% employee growth in 12 months
Company
Funding (last 2 of 3 rounds)
May 2020
$30m
SERIES C
Feb 2018
$20m
SERIES B
Total funding: $62m
Company benefits
- Competitive Healthcare: Comprehensive health, dental, vision and disability plans for you and your family. 100% paid premiums for employees, 75% for dependents
- PTO & Family Benefits: Everyone gets 20 days of PTO, a minimum of 10 paid holidays, and 5 volunteer days off. We also provide resources for growing families, such as Carrot (fertility & family forming) and UrbanSitter (daycare & nannies). Our generous family leave plan offers 12 weeks of leave plus disability leave for birthing mothers when welcoming a new little learner into their family.
- Learning & Development: Here at Quizlet, we invest in our employees’ career development to support learning and professional growth. Employees have access to LinkedIn Learning, an on-demand learning solution designed to help them gain new skills and advance their careers. We host speakers and workshops and also offer support for other professional development opportunities.
- Shared Financial Success: Competitive salaries, stock options and a 401k match that makes saving for retirement easy.
- Wellness: We strive to promote the physical and mental health & well-being of our employees. We offer resources for mental health & well-being, plus a $100/month reimbursement towards wellness and fitness memberships.
- Commuter Benefits: We don’t have a school bus, but we'll help cover 50% of your public commuter & parking costs, plus pre-tax FSA. If you decide to work late, your ride home is on us.
Company HQ
China Basin, San Francisco, CA
Leadership
Kurt Beidler
(CEO)Prior to joining Quizlet in 2024, Kurt was the Co-CEO of Swift. He also spent 17 years at Amazon in various roles, including General Manager of Automotive Sales, Advertising, and Amazon Kids as well as Director of Kindle Content in Beijing.
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